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Hitachi 51F710A/DP55 Service Manual
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Hitachi 51F710A/DP55 Service Manual

Hitachi 51F710A/DP55 Service Manual

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SERVICE MANUAL
N N T T S S C C
SERVICE MANUAL REVISION HISTORY INFORMATION
DATE
June , 05
Sept 19
Jan 25, 06
10.18.2006
02.13.2007
05.03.2007
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
PROJECTION COLOR TELEVISION
JUNE 2005
DP55
C C h h a a s s s s i i s s
REVISON #
SM00001
FIRST ISSUE OF MANUAL
FINAL
Font repair
Deleted step 2.f. which refers to an older style remote.
CH 1
CH 2
Revised Cut Off instructions.
CH 3
Changed left directional remote cursor button to "Decrease"
HHEA-MANUFACTURING DIVISION
No. 0209
PA
51F710A/DP55
57F710A/DP55
65F710A/DP55
R/C: CLU-4351UG2
REASON

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  • Page 1 No. 0209 51F710A/DP55 57F710A/DP55 65F710A/DP55 SERVICE MANUAL DP55 N N T T S S C C R/C: CLU-4351UG2 C C h h a a s s s s i i s s SERVICE MANUAL REVISION HISTORY INFORMATION DATE REVISON #...
  • Page 2 No. 0209 51F710A 57F710A 65F710A SERVICE MANUAL DP55 N N T T S S C C R/C: CLU-4351UG2 C C h h a a s s s s i i s s TO GO TO A CHAPTER, CLICK ON ITS HEADING BELOW CONTENTS IMPORTANT SAFETY INSTRUCTIONS ................

  • Page 3: Federal Communications Commission Notice

    Before servicing this chassis, it is important that the service technician read and follow the “Important Safety Instructions” in this Service Manual. For continued X-Radiation protection, replace picture tube with original type or Hitachi approved equivalent type. This Service Manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer.

  • Page 4: Important Safety Instruction

    DP55 IMPORTANT SAFETY INSTRUCTION 1. Before returning an instrument to the customer, always make a safety check of the entire instrument, including but not limited to the following items. (READING SHOULD NOT a. Be sure that no built-in protective devices are LEAKAGE BE ABOVE 0.5MIU) defective and/or have been deleted during servicing.

  • Page 5: Important Safety Instructions

    For continued X-radiation protection, the replacement making test measurements. tube must be the same type as the original, Hitachi 2. To prevent X-radiation, after replacement of approved type. picture tube and lens, confirm these components...
  • Page 6 4. Picture Tube Implosion Protection Warning – The safety characteristics as the recommended replace- picture tube in this receiver employs integral ment part in Hitachi service data parts list might implosion protection. For continued implosion create shock, fire, and/or other hazards. Product...
  • Page 7 DP55 SERVICING PRECAUTIONS CAUTION: Before servicing instruments covered by this 7. Do not apply AC power to this instrument and/or any of its service data and its supplements and addenda, read and electrical assemblies unless all solid-state device heat- follow the “Important Safety Instructions” on page 3 of this sinks are correctly installed.

  • Page 8: Servicing Precautions

    Use Solding Iron to Pry Leads 4. Securely crimp each connection and solder it. IC Removal/Replacement Some Hitachi unitized chassis circuit boards have slotted 5. Inspect (on the circuit board copper side) the solder joints holes (oblong) through which the IC leads are inserted and of the two “original leads”.
  • Page 9 2. Trace along the copper pattern from both wire sides of ensure the maintenance of reliability and safety standards, the pattern break and locate the nearest component contact your Hitachi personnel. directly connected to the affected copper pattern. At IC Connections 3.

  • Page 10: Component Removal

    DP55 SERVICING PRECAUTIONS NOTE: These components are affixed with glue. Be careful not to break or damage any foil under the component or at the pins of the ICs when removing. Usually applying heat to the component for a short time while twisting with tweezers will break the component loose.
  • Page 11 DP55 Information for service about lead-free solder introduction Hitachi introduced lead-free solder to conserve the "Earth Environment". Please refer to the following before servicing. (1) Characteristic of lead-free solder Melting point of lead free solder is 40-50 C higher than solder containing lead.

  • Page 12: Cautions When Connecting / Disconnecting The Hv Connector

    DP55 TECHNICAL CAUTIONS CAUTIONS WHEN CONNECTING / DISCONNECTING THE HV CONNECTOR Perform the following when the HV connector (anode connector) is removed or inserted for CPT replacement, etc. Anode connector Deflection P.W.B. During Removal Roll out silicon cover from FBT’s contact area slowly. While turning the connector about 90 degrees following the arrow (0 position), push the connector PUSH...
  • Page 13 DP55 TECHNICAL CAUTIONS High Voltage limiter circuit operation check. 4. When the limiter circuit is operating properly, High 1. Turn off TV and connect jig as shown in Figure 2. Adjust Voltage will be less than 37 kV at 1.62mA when TV shuts jig fully counter-clockwise for minimum resistance.

  • Page 14: Specifications

    DP55 SPECIFICATIONS Intermediate Frequency: Picture l-F Carrier 45.75 MHz Models: 51F710A 57F710 65F710A Sound l-F Carrier 41.25 MHz Color Sub Carrier 42.17 MHz Cathode-Ray Tube: R=P16MAB00RFA Video Input: 1 Volt p-p, 75 Ohm G=P16MAB00HHA B=P16MAB00BMB Video Output: 1 Volt p-p, 75 ohm Audio Input: 470 mVrms, 47 k Ohm Stereo Audio Output:...
  • Page 15 DP55 GENERAL INFORMATION POWER ´ INPUT MAGIC VOL- VOL+ INPUT MENU FOCUS AUDIO EXIT SELECT S-VIDEO VIDEO L/MONO CURSOR · ³ ² ´ ¿ ¶ ³ MENU/SELECT button ´ POWER button/ POWER LED This button allows you to enter the MENU, making Press this button to turn the TV on or off.

  • Page 16: General Information

    . This card slot is for future software upgrades. 5. To ensure no copyright infringement, the Hitachi will notify you if a software upgrade is MONITOR OUT output will be abnormal, required for your TV. In order to receive written when using the Y-P jacks.
  • Page 17 DP55 ¾ TV AS CENTER (INPUTS 1-4) If the CableCARD is properly installed or not installed, the TV will display the following respective screens. These jacks are for stereo amplifiers with center signal output capability. This feature allows the TV speakers to be used as a center speaker.
  • Page 18 DP55 GENERAL INFORMATION TIPS ON REAR PANEL CONNECTIONS Outside Antenna • S-VIDEO, Y-P and HDMI or Digital Cable External connections are provided for Digital high performance laserdisc Component players, VCRs etc. that have with HDMI Apparatus Claims of U.S. CableCARD™ output this feature.

  • Page 19: Connecting External Audio Sources

    DP55 GENERAL INFORMATION Connecting External Audio Sources Match the numbers below to the diagram for Apparatus Claims of U.S. CableCARD™ Patent Nos. 4,631,603; speaker placement. 4,577,216; 4,819,098; (Top of card faces right) CABLE 4,907,093; and 6,381,747 licensed for limited viewing uses only. Top faces ³...

  • Page 20: Front Panel Jacks And Connections

    DP55 Front Panel Jacks and Connections The front panel jacks are provided as a convenience to allow you to easily connect a camcorder or VCR as shown in the following examples: INPUT 5 INPUT 5 AUDIO AUDIO S-VIDEO VIDEO L/MONO S-VIDEO VIDEO L/MONO...
  • Page 21 Quick Guide for the Remote Control In addition to controlling all of the functions on your HITACHI Projection TV, the new remote control is designed to operate different types of devices, such as, DVD Players, CBL (Cable Boxes), set-top-boxes, satellite receivers, and VCRs.
  • Page 22 DP55 DISPLAY PICTURE FORMAT ´ ASPECT button Press this button to quickly change the picture format ASPECT ratio. Depending on the input signal format received, the picture format ratio allows you to adjust the images through the following options. 4:3 STANDARD 4:3 ZOOM1/ZOOM2 Use this aspect mode to display conventional (4:3) Use these aspect modes to zoom in on...

  • Page 23: Picture In Picture (Pip)

    DP55 Picture-in-Picture (PIP) PIP Mode Picture-in-Picture Picture-in-Picture (PIP) Modes 480p/480i 1080i/ Analog Tuner This feature is only available with a Digital 16:9, Main/ Digital Tuner 720p Video/S-Video 720p and 1080i signal. To prevent a pattern burn, Mode Sub Aspect 16:9 16:9 16:9 occasionally move the sub-picture using the...
  • Page 24 DP55 Picture-in-Picture (PIP) MAIN FREEZE STROBE FREEZE Press the PAUSE button to freeze one frame of the Press the PAUSE button to freeze three frames of picture you are currently viewing and the frozen the picture you are currently viewing (only the 3 frame will show in the Main Picture.
  • Page 25 TV, Quick Start Up Move HITACHI will notify and provide you with a flash card. In order to receive written notification and the flash card, please complete and return the warranty card. 1. Insert MMC CARD...
  • Page 26 NTSC (480i) signal generator. Hitachi recognizes that few companies offer HDTV or SDTV signal generators and that the cost of these generators is sometimes prohibitive. For this reason, we suggest the use of a set-top-box for HDTV and SDTV adjustments. Usually, there is a switch on the set-top-box which enables it to output HDTV (1080i or 720P) or SDTV (480P) signals even with no input.

  • Page 27: Adjustment Procedure Start-Up

    (4) Activate MEMORY INIT by pressing cursor key for may be used as the adjustment keys. more than 3 seconds. A. Use any Hitachi remote control when making an (5) Check the following process for initialization opera- adjustment. tion. keys are used for selecting adjustment item.

  • Page 28: Pre Heat Run Condition

    DP55 2.0 FINAL ADJUSTMENT ORDER FOR SERVICE ORDER ADJUSTMENT ITEM ASPECT MODE SIGNAL DATA CUT OFF 16:9 Standard NTSC Signal 16:9 Standard PREFOCUS Crosshatch DCU PHASE DATA SETTING 16:9 Standard NTSC Signal-DCU HORIZONTAL POSITION 16:9 Standard Circle Pattern ADJUSTMENT (COARSE) RASTER TILT 16:9 Standard NTSC Signal-DCU...

  • Page 29: Final Assembly Adjustment

    DP55 1.3 Comb filter operation check Important: High Voltage adjustment should Adjustment preparation NOT be adjusted in field. This is (1) Receive the color bar signal at the regular tuning adjusted at factory using precise point. loads should (2) Set the CONTRAST control to MAX and the other readjusted.
  • Page 30 DP55 Adjustment procedure Adjustment procedure 4. Bring up each screen G2 control, one at a time, (1) Press R/C keys MENU + MENU + 8 + SELECT (1) Receive circle pattern. until that color is just barely visible. (Also, adjust to access the I C adjustment mode.

  • Page 31: Raster Position Adjustment

    DP55 (4) Turn the deflection yoke of R or B and set so that the 2.6 Raster position adjustment inclination of R or B light with respect to the green Adjustment preparation light is as shown below on the top and bottom sides. (1) The set can face east or west.

  • Page 32: Vertical Size Adjustment

    DP55 2.7 Beam form adjustment (3) After adjustment press the "SERVICE ONLY" SW Adjustment preparation to exit from the Digital Convergence crosshatch. (1) Raster Position should have been completed. (2) The raster tilt and centering should have been H. Size completed.

  • Page 33: Lens Focus Adjustment

    DP55 (2) Apply covers to each color of R, G and B lenses. 2.10 LENS FOCUS ADJUSTMENT And project a single color on the screen and Adjustment preparation adjust in sequence. (The adjustment order of G, (1) The orientation of PTV set is arbitrary, west, R and B is only an example.) east, north and south.
  • Page 34 DP55 OPTICAL FOCUSING ADJUSTMENT GREEN (5) In case of R lens. Set the position where the chromatic aberration changes from red to crimson. As shown below, observe the vertical CHASSIS DP55 bright line and adjust lens focus where the 65”(D260) SCREEN SIZE 51”(HSB) 57”(HSB)

  • Page 35: Static Focus Adjustment

    DP55 OPTICAL FOCUSING ADJUSTMENT BLUE 2.12 Digital convergence adjustment CHASSIS DP55 Note: 1. If replacing a PRT, DY, etc. perform auto- SCREEN SIZE 51”(HSB) 57”(HSB) 65”(D260) digital convergence first. (Press front panel L1 and L2 MAGIC FOCUS switch). This can eliminate (PITCHES from CENTER) BETWEEN the need for a complete digital convergence...
  • Page 36 DP55 2.12.1 MAGIC FOCUS Character Set-Up TABLE 1. - Digital Convergence PARAMETER This instruction should be applied when a new Signal Block or complete chassis is being replaced. Parameter Normal Adjustment Preparation ADJ. DISP (1) Receive NTSC RF or video signal. DEMO WAIT (2) With Power off, PRESS and HOLD the SERVICE INT.

  • Page 37: Magic Focus Pattern Set-Up

    DP55 2.12.2 MAGIC FOCUS Pattern Set-Up Pattern Position NOTE: (1) This instruction should be applied when a new Signal Block or complete chassis is being replaced. (2) This instruction shows how to set up the pattern position for MAGIC FOCUS. Adjustment Preparation (1) Receive NTSC RF or video signal.
  • Page 38 DP55 * Explanation of "Conv. For Outside Signal" function a) Press "Service Only SW" on SIGNAL PWB, Marker (Adjustment point) then display "Normal Crosshatch". (Fig.11) b) Press [MENU] key on R/C, then display "Red + Green Crosshatch with Red Marker" or "Green Crosshatch with Green Marker" or "Blue + Green Crosshatch with Blue Marker".

  • Page 39: Magic Focus

    DP55 MAGIC FOCUS OPERATION CHECK Adjustment preparation (1) MAGIC FOCUS INITIALIZE OPERATION should be completed. (2) Receive any NTSC signal. Adjustment procedure (1) OPERATION CHECK START MAGIS FOCUS OPERATION *GOOD (Several windows) PUSH “MAGIC FOCUS” BUTTON MAGIC FOCUS NO GOOD MAGIC FOCUS REJECT OPERATION...
  • Page 40 DP55 Convergence Errors. If an error message or code appears while performing MAGIC FOCUS or initialize (ASPECT , key in DCU service mode) follow this confirmation and repair method. 1. Turn on power and receive any signal. 2. Press service switch on SIGNAL PWB. 3.
  • Page 41 DP55 Digital Convergence Repair Info. Check Adjustment Pattern Confirm of appearance of DCU Crosshatch in DCU Adjustment Mode, by pushing of Service Only SW (SCOI). Procedure 1) Push Service Only SW (SC01) on SIGNAL PWB. 2) If DCU Crosshatch (corrected almost well) is displayed, Status is OK. 3) DCU Crosshatch is not displayed, Uneven Crosshatch or No Correction Crosshatch is displayed, DCU circuit has any defects.
  • Page 42 DP55 If Position Shifted Crosshatch (as show Figure 2) is displayed, check next items. 1) Check DCU Phase Data Figure 2 Example Image of Position Shifted DCU Crosshatch If uneven Crosshatch (as show Figure 3) is displayed, check next items. 1) Assembly Error of DCU uCOM (IS07), EEPROM (IS01, ISOS** ), DCU LSI (IS06), DAC (IT01), PDT4 connector, or other peripheral parts...
  • Page 43 DP55 If No Correction Crosshatch (All channels, as show Figure 4) is displayed, check next items. 1) Assembly Error of Reset 1C (IS05), DCU LSI (IS06), DAC (IT01), or other peripheral parts 2) Solder-Bridge of DCU LSI (IS06) 5, 7,14, 20-25, 27-29, 33-35, 44,52, 88pin 3) Solder-Bridge of DAC (IT01) 4-5, 45pin 4) "Mute"...
  • Page 44 DP55 2.12.3 Convergence Jig Screen Specifications 51F710A (Part Number H312272) 19.7 90.8 90.8 90.8 90.8 90.8 90.8 90.8 90.8 90.8 90.8 90.8 90.8 19.7 30.5 41.0 51” 82.0 Wide 82.0 82.0 82.0 82.0 82.0 41.0 30.5 1129 57F710A (Part Number H312273) 22 101.5 101.5 101.5 101.5 101.5 101.5 101.5 101.5 101.5 101.5 101.5 101.5 22 34.1 45.8...

  • Page 45: Convergence Point Adjustment

    DP55 Note: If only minor adjustments to convergence are Adjustment procedure needed, the jig screen is not necessary. Use (1) Receive any NTSC signal. digital data stored in memory and one color as a (2) Start adjustment at the center of the screen. reference (red, green, or blue).

  • Page 47: Blue Defocus Adjustment

    DP55 2.13 Blue Defocus adjustment (6) BLUE defocus ADJ. should be finished. (7) The vertical incident illumination on the screen Adjustment Preparation should be 20 Lux. or less. (1) Optical and electrical focus adjustment should (8) Picture Format is 16:9 Standard Mode. have been completed.

  • Page 48: Adjust Mode

    DP55 2.15 Sub brightness adjustment WHITE BALANCE ADJUSTMENT FLOW CHART Adjustment preparation (1) Start adjustment after the power is turned ON START for 20 minutes or more. (2) Receive the color bar signal (7 step gray scale). (3) The vertical incident illumination on the screen Cut Off Adj.
  • Page 49 DP55 2.16 Adjustment OSD Flowchart (1) Enter Adjust Mode OSD : Press［MENU］+［MENU］+ [MENU] +［8］+［SELECT］on the Remote Control. MENU MENU MENU SELECT CH U/D, INPUT PRT ADJUST MODE ▶SERVICE CUT OFF ADJUST MODE SUB BRIGHT WHITE BAL HIGH WHITE BAL MED Select or ▶...
  • Page 50 DP55 DP55 2.16 Adjustment OSD Flowchart (Cont.) CH U/D, INPUT ▲▼ PRT ADJUST MODE SERVICE SUB BRIGHT ▶WHITE BAL HIGH Select or ▶ WHITE BAL MED G DRV HIGH WHITE BAL STD R DRV HIGH WHITE BAL B/W R CUT HIGH EXIT H POSITION G CUT HIGH...
  • Page 51 DP55 2.16 Adjustment OSD Flowchart (Cont.) CH U/D, INPUT ▲▼ PRT ADJUST MODE SERVICE SUB BRIGHT WHITE BAL HIGH WHITE BAL MED WHITE BAL STD ◀▶ WHITE BAL B/W DATA Change ▶H POSITION V POSITION FACT RESET ▲▼ CH U/D, INPUT PRT ADJUST MODE SERVICE SUB BRIGHT...
  • Page 52 DP55 2.16 Adjustment OSD Flowchart (Cont.) CH U/D, INPUT ▲▼ CH U/D, INPUT PRT ADJUST MODE PRT ADJUST MODE H TIMING TV GUIDE V PHASE IR BLAST Select or ▶ CCD READ OUT ▶VBI SLICER M CCD SLICE CONT ** VBI SLICER S ◀▶...
  • Page 53 DP55 2.16 Adjustment OSD Flowchart (Cont.) CH U/D, INPUT ▲▼ CH U/D, INPUT PRT ADJUST MODE PRT ADJUST MODE TV GUIDE SUB VER ＊＊.＊＊ IR BLAST VBI SLICER M ▶ Select or ▶VBI SLICER S ◀▶ V CHIP EXIT DATA CLOCK TEST Change MAINTENANCE...
  • Page 54 DP55 2.16 Adjustment OSD Flowchart (Cont.) CH U/D, INPUT ▲▼ PRT ADJUST MODE TV GUIDE IR BLAST Press ▶ VBI SLICER M VBI SLICER S for 2 sec or Blue) (Cyan V CHIP CLOCK TEST MAINTENANCE ▶MEMORY INIT OSD SELECT ▲▼...
  • Page 55 DP55 2.16 Adjustment OSD Flowchart (Cont.) CH U/D, INPUT CH U/D, INPUT ▲▼ PRT ADJUST MODE PRT ADJUST MODE SEINE ▶SEINE DATA TA1360 _ _ _ Select SEINE TC90103 _ _ _ ◀▶ and Press→SELECT AD9880 _ _ _ DATA CXA2211 _ _ _ Change...
  • Page 56 DP55 2.16 Adjustment OSD Flowchart (Cont.) CH U/D, INPUT CH U/D, INPUT ▲▼ PRT ADJUST MODE PRT ADJUST MODE AD9880 SEINE DATA TA1360 _ _ _ Select AD9880 TC90103 _ _ _ and Press→SELECT ▶AD9880 _ _ _ ◀▶ CXA2211 _ _ _ DATA SiI9021(HDMI)
  • Page 57 DP55 2.16 Adjustment OSD Flowchart (Cont.) ◀▶ DATA Change Maintenance ▶Front End Display Front End Phy:136 MJ:136 MN:1 Video Format Display Frame/MPEG Lock LOCK UNLOCK Audio Format Display Modulation Type 8VSB 64QAM 256QAM System Check Display ▶ Select or IF Error ****Hz Out of Band Display...
  • Page 58 1394NUID Contents CableCARD Display Vender ID 000087 EXIT MMC/Sniffer MMC/Sniffer Chip ID 00001348CC Model ID 00000200 Vender Name HITACHI Model Name DVT Back to Main ▲▼ Maintenance Front End Display Out of Band ▶ Video Format Display Select or Frame Lock...

  • Page 59: Horizontal Position Adjustment

    DP55 2.17 Horizontal position adjustment 2.18 Scanning area check Adjustment preparation Checking condition (1) The screen face of set should be turned to East (1) Digital convergence adjustment should have been or West. completed. (2) VIDEO control should be set to Factory Preset (2) Receive the circle pattern signal.
  • Page 60 DP55 2.19 TOP & BOTTOM PANEL DISTORTION CHECK Measuring Condition (1) Measure it after 20 minutes or later of the picture appearance. (2) Display NTSC Circle Pattern. Contrast: Max, Brightness: Center (3) Press [PIP] key on remote controller to select “SPLIT” mode as shown below. (4) Measure Top &...

  • Page 61: Adjustment Point

    DP55 ADJUSTMENT POINT CRT, cabinet locations FRONT VIEW 1.- CENTERING MAGNET RED PRT 2.- CENTERING MAGNET GREEN PRT 3.- CENTERING MAGNET BLUE PRT 4.- BEAM FORM MAGNET 5.- BEAM ALIGNMENT MAGNET 6.- FOCUS PACK, SCREEN AND FOCUS ADJUSTMENTS BACK TO ADJUSTMENTS...
  • Page 62 DP55 2.21 I C Adjustment Parameter List 1st page (1/2) Adjustment Adjustment Item Initial Data(HEX) Adjustment Mode OSD DP55 Range(HEX) SERVICE SERVICE ← ← ← TA1360 (88H) SUB BRIGHT [ISF Mode] 00～FF ← ← ← Sub Brightness WHITE BAL White Balance Mode (TA1360 88H) G DRIVE(HIGH) [ISF Mode]...

  • Page 63: White Bal

    DP55 1st page (2/2) Adjustment Adjustment Item Initial Data(HEX) Adjustment Mode OSD DP55 Range(HEX) WHITE BAL White Balance Mode (TA1360 88H) G DRIVE (B/W) [ISF Mode] 00～7F ← ← ← Color Temperature: Black/White Green/Red Drive Gain Adjustment R DRIVE (B/W) ←...

  • Page 64: Adjustment Item

    DP55 2nd page (1/2) Adjustment Adjustment Item Initial Data(HEX) Adjustment Mode OSD Range(HEX) DP55 SEINE TV_GUiDE Don’t care TV_GUiDE Don’t care TV_GUiDE Don’t care iR_BLASTER iR_BLASTER TC90103 H_TiMiNG VBIDLY: Slicer H Timing Delay 00～0F ← ← ← （ID1/WSS/CCD/G-Gide） V_PHASE VBIVAD: Slicer V Phase 00～07 ←...
  • Page 65 DP55 2nd page (2/2) Adjustment Adjustment Item Initial Data(HEX) Adjustment Mode OSD Range(HEX) DP55 TC90103 G_READ_oUT GGSON: Guide Slice Read Output 00～01 ← ← ← G_DETECT GGSJDG: Guide Detection Sensitivity 00～01 ← ← ← G_SLiCE_LEVEL GGSLV: Guide Slice Level 00～03 ←...
  • Page 66 DP55 Seine (1/4) Adjustment Adjustment Item Initial Data(HEX) Adjustment Mode OSD DP55 Range(HEX) SEINE Capture Picture Sync Delay 00～01 ← ← ← 00h: Delay Adjustment, 1: Through Active area top field V sync phase 00～01 ← ← ← 00h: odd field, 01h: even field Vertical Delay 000～7FF ←...
  • Page 67 DP55 Seine (2/4) Adjustment Adjustment Item Initial Data(HEX) Adjustment Mode OSD DP55 Range(HEX) SEINE Vertical Sync Input Delay 00～03 ← ← ← Horizontal Filter Switch for Y 00～01 ← ← ← 00h: through, 01h: 0.25fs Horizontal Filter Switch for U 00～03 ←...
  • Page 68 DP55 Seine (3/4) Adjustment Adjustment Item Initial Data(HEX) Adjustment Mode OSD Range(HEX) DP55 SEINE Color Signal Round Coefficient for Noise Reduction 00～0D ← ← ← NTSC/480i Input only Color Signal Frame Difference Limit for Noise 00～1F ← ← ← Reduction NTSC/480i Input only Enhance Movement Mode 00～03...
  • Page 69 DP55 Seine (4/4) Adjustment Adjustment Item Initial Data(HEX) Adjustment Mode OSD DP55 Range(HEX) SEINE Odd/Even Field Horizontal Active ANT/NTSC 000～6B4 ← ← ← Picture Data Start Point 480i_YPbPr 000～35A ← ← ← 480i_HDMI 000～6B4 ← ← ← 480p_YPbPr 000～35A ← ←...
  • Page 70 DP55 TA1360 (1/5) Adjustment Adjustment Item Initial Data(HEX) Adjustment Mode OSD Range(HEX) DP55 TA1360 [ISF Mode] 00～03 ← ← ← RGB Output Mode Switch 00: Normal, 01: R only, 02: G only, 03: B only Black Enhancement [ISF Mode] 00～7F ←...
  • Page 71 DP55 TA1360 (2/5) Adjustment Adjustment Item Initial Data(HEX) Adjustment Mode OSD Range(HEX) DP55 TA1360 [ISF Mode] ANT/NTSC 00～0F ← ← ← R-Y/B-Y Phase 00h: 90 degree, 480i/480p 00～0F ← ← ← 0Fh: 109 degree 1080i/720p 00～0F ← ← ← [ISF Mode] ANT/NTSC Color Temp.
  • Page 72 DP55 TA1360 (3/5) Adjustment Adjustment Item Initial Data(HEX) Adjustment Mode OSD Range(HEX) DP55 TA1360 [ISF Mode] ANT/NTSC High 00～0F ← ← ← G-Y/B-Y Gain 00h: 0.3 ～ 0Fh: 0.45 Medium 00～0F ← ← ← Standard 00～0F ← ← ← 00～0F ←...
  • Page 73 DP55 TA1360 (4/5) Adjustment Adjustment Item Initial Data(HEX) Adjustment Mode OSD Range(HEX) DP55 TA1360 Sand castle Pulse Switch 00～01 ← ← ← 00h: Internal, 01h: External Input Aperture Control Peak f0 ANT/NTSC 00～03 ← ← ← 00h: 15 MHz, 01h: 8.8 MHz , 02h: 7.5 MHz, 03h: 5 MHz 480i/480p 00～03...
  • Page 74 DP55 TA1360 (5/5) Adjustment Adjustment Item Initial Data(HEX) Adjustment Mode OSD Range(HEX) DP55 TA1360 Black Level Auto Correction Switch 00～01 ← ← ← D2 00h: OFF, 01h: ON Black Detection Level Switch 00～01 ← ← ← D1 00h: 3 IRE, 01h: 0 IRE Black Stretch Area Correction Switch 00～01 ←...
  • Page 75 DP55 TC90103 (1/12) Adjustment Adjustment Item Initial Data(HEX) Adjustment Mode OSD Range(HEX) DP55 TC90103 ANT/NTSC/480i 3D Motion Detection Select 00～03 ← ← ← 00h：Compulsion Standard, 01h：Compulsion Still Picture, 02h：MOVE, 03h：MANU YES Mode 00～03 ← ← ← 00h：Mode1, 01h：3Line+3DNR, 02h：BPF+3DNR, 03h：Mode2 3D Y Noise Reduction Limiter Level 00～07 ←...
  • Page 76 DP55 TC90103 (2/12) Adjustment Adjustment Item Initial Data(HEX) Adjustment Mode OSD Range(HEX) DP55 TC90103 ANT/NTSC/480i Sharpness/Noise Cancel Coring ANT/NTSC 00～03 ← ← ← 00h：0.8 IRE, 01h：1.6 IRE, 02h：3.2 IER, 03h：6.4 IRE Y/C/480i 00～03 ← ← ← Noise Cancel Gain 00～03 ←...
  • Page 77 DP55 TC90103 (3/12) Adjustment Adjustment Item Initial Data(HEX) Adjustment Mode OSD Range(HEX) DP55 TC90103 ANT/NTSC/480i Demodulation Angle 00～3F ← ← ← 00h： 0° ～ 3Fh：+45° Color Killer Level 00～07 ← ← ← 00h：-40dB ～ 07h：-30dB ACC Level (ACC = Auto Color Level) 00～0F ←...
  • Page 78 DP55 TC90103 (4/12) Adjustment Adjustment Item Initial Data(HEX) Adjustment Mode OSD Range(HEX) DP55 TC90103 ANT/NTSC/480i Vertical Y ON 00～01 ← ← ← 00h：OFF, 01h：ON C NY Limiter 00～01 ← ← ← 00h：16lsb, 01h：24lsb C NC Gain 00～01 ← ← ← C-NC ON 00～01 ←...
  • Page 79 DP55 TC90103 (5/12) Adjustment Adjustment Item Initial Data(HEX) Adjustment Mode OSD Range(HEX) DP55 TC90103 ANT/NTSC/480i Vertical Standard Setting 00～07 ← ← ← 04h：+4H ～ 00h：Center ～ 03h：－3H External VD Phase Setting 00～07 ← ← ← 00h：Center, 01h：+1.99us, 02h：+3.97us, 03h：＋5.96us, 04h：-7.94us, 05h：-5.96us, 06h：-3.97us, 07h：-1.99us VD Output Control 00～03...
  • Page 80 DP55 TC90103 (6/12) Adjustment Adjustment Item Initial Data(HEX) Adjustment Mode OSD Range(HEX) DP55 TC90103 ANT/NTSC/480i Y Motion Picture Distinction Standard 00～03 ← ← ← 00h：8%, 01h：16%, 02h：24%, 03h：32% 1 Field Y Detection Slope, Color Still Picture 00～03 ← ← ← Smooth 00h：1/2 ～...
  • Page 81 DP55 TC90103 (7/12) Adjustment Adjustment Item Initial Data(HEX) Adjustment Mode OSD Range(HEX) DP55 TC90103 ANT/NTSC/480i 1 Filed Detection Slope, Y Still Picture Smooth 00～03 ← ← ← 00h：1/2 ～ 03h：∞[02] 1 Field Y Detection Offset, Y Still Picture Smooth 00～0F ←...
  • Page 82 DP55 TC90103 (8/12) Adjustment Adjustment Item Initial Data(HEX) Adjustment Mode OSD Range(HEX) DP55 TC90103 ANT/NTSC/480i 2 Field Detection Slope, Y Motion Picture Edge 00～03 ← ← ← 00h：1/2 ～ 03h：∞ [02h: Default] 2 Field Detection Offset, Y Motion Picture Edge 00～0F ←...
  • Page 83 DP55 TC90103 (9/12) Adjustment Adjustment Item Initial Data(HEX) Adjustment Mode OSD Range(HEX) DP55 TC90103 ANT/NTSC/480i 2 Field Assistance Select 00～01 ← ← ← 00h：Y, 01h：C 2 Field Assistance Color Still Picture Distinction 00～07 ← ← ← Level 00h: Small ～ 07h：Large [04h: Default] 2 Field Assistance Y Still Picture Distinction Level 00～07 ←...
  • Page 84 DP55 TC90103 (10/12) Adjustment Adjustment Item Initial Data(HEX) Adjustment Mode OSD Range(HEX) DP55 TC90103 ANT/NTSC/480i AGC Peak Level Detection ON/OFF 00～01 ← ← ← (AGC = Auto Gain Control) 00h：OFF, 01h：ON AGC OFF/ON Level Setting 00～03 ← ← ← (AGC = Auto Gain Control) 00h：OFF, 01h：70%, 02h：75%, 03h：80% GCA Setting (GCA = ?) 00～01...
  • Page 85 DP55 TC90103 (11/12) Adjustment Adjustment Item Initial Data(HEX) Adjustment Mode OSD Range(HEX) DP55 TC90103 ANT/NTSC/480i CK Out Clock Select 00～03 ← ← ← 00h：13.5MHz, 01h：27MHz（601：13.5MHz）, 02h：54MHz（656：27MHz）, 03h：AUTO Horizontal Blanking Period 00～01 ← ← ← 00h：OFF, 01h：ON Vertical Blanking Period 00～01 ←...
  • Page 86 DP55 TC90103 (12/12) Adjustment Adjustment Item Initial Data(HEX) Adjustment Mode OSD Range(HEX) DP55 TC90103 ANT/NTSC/480i Memory Write Horizontal Phase Adjustment 00～0F ← ← ← 08h：-2.37us ～ 00h：0us ～ 07h：+2.07us Memory Write Vertical Start Phase Adjustment 00～0F ← ← ← 08h：-8H ～ 00h：0us ～ 07h：+7H Burst Gate Pulse Start Phase Adjustment 00～0F ←...
  • Page 87 DP55 AD9880 (1/1) Adjustment Adjustment Item Initial Data(HEX) Adjustment Mode OSD Range(HEX) DP55 AD9880 A/D Converter, 480p/1080i/720p Pr channel gain Adjust 00～7F ← ← ← Y Channel Gain Adjust 00～7FF ← ← ← Pb Channel Gain Adjust 00～7F ← ← ←...
  • Page 88 DP55 CXA2211 (1/2) Adjustment Adjustment Item Initial Data(HEX) Adjustment Mode OSD Range(HEX) DP55 CXA2211 Sync Processor Horizontal Number High Bit 00～3FF ＊ ← ← ← Vertical Number High Bit 00～7FF ＊ ← ← ← AFC loop gain control 480i 00～03 ←...
  • Page 89 DP55 CXA2211 (2/2) Adjustment Adjustment Item Initial Data(HEX) Adjustment Mode OSD Range(HEX) DP55 CXA2211 Sync Processor This is switch a switch that selects the 480i 00～01 ← ← ← route of LPF in the sync sep circuit. This is valid when AUTO = 1 480p 00～01 ←...
  • Page 90 DP55 HDMI (1/2) Adjustment Adjustment Item Initial Data(HEX) Adjustment Mode OSD Range(HEX) DP55 HDMI HDMI_1/2 VSYNC/Clock detect/Sync detect 1 00～07 ← ← ← HDCP Status 00～FF ← ← ← Pixel clock 00～FF ← ← ← N hardware value 1 00～FF ←...
  • Page 91 DP55 HDMI (2/2) Adjustment Adjustment Item Initial Data(HEX) Adjustment Mode OSD Range(HEX) DP55 HDMI HDMI_1/2 SPD info frame type code 00～FF ← ← ← SPD info frame version code 00～FF ← ← ← SPD info frame data 00～FF ← ← ←...

  • Page 92: Protection Circuit Block Diagram

    DP55 2.22 PROTECTION CIRCUIT BLOCK DIAGRAM 1/2 BACK TO ADJUSTMENTS...
  • Page 93 DP55 2.22 PROTECTION CIRCUIT BLOCK DIAGRAM 2/2...
  • Page 94 DP55 2.23 TROUBLE SHOOTING 2.23.1 TROUBLE SHOOTING for POWER CIRCUIT No raster and no power (How to check LED’s Diagnosis) Raster (Signal Power) Check Is Voltage I942, I901, at D943(K) 5V? I901, I904, F902 (DJ03 ON?) (Signal Power ) (Signal Power) Check Is Voltage DIGTAL...
  • Page 95 DP55 2.23.2 Device error check on DIGITAL MODULE Digital Main P.W.B has five LED (KNIGHT RIDER) on board. After Power ON by POWER_1(pin 6 of PPT3), these LED will be turned on in sequence as follows. It may take a few seconds for the sequence. LED sequence Sequence D302...
  • Page 98 DP55 2.23.3 Trouble shooting for Convergence 1.Convergence Un-corrected (How to check) Convergence can not be corrected What color has shifted? All Color Blue Green DCU out CHECK DCU out CHECK DCU out CHECK PDT4 6 pin (RH)…(*1) PDT4 2 pin (BH)…(*1) PDT4 4 pin (GH)…(*1) PDT4 7 pin (RV)…(*2) PDT4 3 pin (BV)…(*2)
  • Page 99 DP55 CHECK CHECK DCU input (1) IC01 QC16 Is Voltage at LC05/RC52(LC04/RC44) SW +7V line SW -28V line 5V? (-5V?) (EP41) (EP43) CHECK DCU input (2) CHECK LC03 (V.BLK) …(*3) DEFLECTION circuit CHECK RK53,54,57,58,69,70, 73,74,61,62,65,66 CY Amp (IK40,41), (*1) PDT4 6 pin (RH) (*2) PDT4 7 pin (RV) (*3) LC03 (V.
  • Page 100 DP55 2.23.4 Trouble shooting for HDMI (1) No HDMI picture Start Digital Module, SIgnal PWB or Ensure power at pin 1 of IK03. Signal Power PWB defect Ensure power at pin 4 Digital Module (HDMI) defect of IK03, IK06, IK07 and IK08. Ensure Y, H, V and Clock I101 or I102 defect signal at pin 1 of RK55.
  • Page 101 DP55 (2) No HDMI analog and/or digital audio Start Digital Module, SIgnal PWB or Ensure power at pin 1 of IK03. Signal Power PWB defect Ensure power at pin 4 Digital Module (HDMI) defect of IK03, IK06, IK07 and IK08. Ensure audio signal at SIgnal PWB defect pin 93 and 95 of PSM.

  • Page 102: Circuit Block Diagram

    DP55 CIRCUIT BLOCK DIAGRAM TABLE OF CONTENTS...

  • Page 103: Connection Diagram

    DP55 CONNECTION DIAGRAM TABLE OF CONTENTS...

  • Page 104: Component Location Drawing

    DP55 COMPONENT LOCATION DRAWING SIGNAL BLOCK ASSEMBLY PDT2 PDT3 PDT4 PCJG IS07 IS06 IT01 POWER PWB Digital Main PWB Digital Sub PWB Rear I401 view IX01 PINT Analog Tuner U301 IA02 I001 IA01 PSP1 TABLE OF CONTENTS...
  • Page 105 DP55 DEFLECTION BLOCK ASY IP02 DP48 +28V DP01 EP42 +12V EP43 +7.5V EP47 EP41 -24V +6.3V PDC1 EP40 +28V EP44 +220V FP01 FUSE CH16 PDF1 EP45 DP59 TH01 RH17 Q701 QH01 IK40 IK41 PDT4 PDT2 PDT3 Back Cover Side TABLE OF CONTENTS...
  • Page 106 DP55 POWER P.W.B. DP5X POWER P.W.B. I903 I904 F904 Temperature-Limited Resistor I901 T901 SW-Transformer F902 Fuse E940 AUDio-VCC C913 F903 Fuse D955 I906 E941 SiG+10.5V X901 Varistor I902 I905 F901 OVP-PROT Fuse PPT2 PPT3 D954 PPT1 Back Cover Side TABLE OF CONTENTS...
  • Page 107 DP55 CPT P.W.B. TABLE OF CONTENTS...
  • Page 108 DP55 CONTROL P.W.B. TABLE OF CONTENTS...
  • Page 109 DP55 FINAL WIRING DIAGRAM TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS...
  • Page 110 DP55 FINAL WIRING DIAGRAM TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS...
  • Page 111 DP55 FINAL WIRING DIAGRAM TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS...
  • Page 112 DP55 FINAL WIRING DIAGRAM TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS...
  • Page 113 DP55 FINAL WIRING DIAGRAM TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS...
  • Page 114 DP55 FINAL WIRING DIAGRAM TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS...

  • Page 115: Quick Disassembly Guide

    QUICK DISASSEMBLY GUIDE DP55 SPEAKER GRILL FRONT DOOR, SPEAKERS, DECOS, CONTROL BLOCK . 1. Speaker Gril 51F710A P#PH34102 . 1. Screws T1T 4*18 P#MJ03587(5 Pcs.) 57F710A P#PH33952 65F710A P#PH34151 2. Screws T1T 4*14 P#MJ03588(8 Pcs.) . 3. Speaker 51F710A 12 cm. P#GK01371(2 Pcs.) 57/65F710A 16 cm.
  • Page 116 CABINET, BACK COVER/FRAME ASSY(51/57F710A) SCREEN FRAME ASSY, BACK COVER ASSY(51/57F710A) . 1. Screws T1T 4*18 P#MJ03587(9 Pcs.) . 1. Screws T1T 4*18 P#MJ03587(12 Pcs.) . 2. Screws Allen P#MJ03231(4 Pcs.) . 3. Screws T1T 4*18 P#MJ03587(4 Pcs.) . 4. Screws T1T 4*25 P#4524916(4 Pcs.) 4*30 P#4519518(2 Pcs.) .
  • Page 117 CONTROL BLOCK ASSY BACK COVER ASSY(51/57F710A) . 1. Screws B-Tap 4*12 P#4519511(4 Pcs.) . 1. Screws T2B 4*16 P#MJ03635(6 Pcs.) . 2. Control PWB Assy P#JT25052 . 2. Mirror Retainer P#NJ09161 . 3. Power Button P#PC06001 . 3. Screws T2B 4*25 P#MJ03639(4 Pcs.) .
  • Page 118 SCREEN FRAME ASSY 1 (51/57F710A) SCREEN FRAME ASSY 2 (51/57F710A) . 1. Screws T1T 4*18 P#MJ03587(8 Pcs.) . 1. Screws T1T 4*18 P#MJ03587(18 Pcs.) . 2. Sensor Harness 51F710A P#EK01562 57F710A P#EK01563 3. Screws T1T 4*18 P#MJ03587(2 Pcs.) METAL SUPPORT METAL SUPPORT SCREEN HOLDER SCREEN HOLDER...
  • Page 119 SCREEN FRAME ASSY 3 (51/57F710A) . 1. Screen Assy 51F710A P#KR03491 57F710A P#KR03492 . 2. Bottom Screen Holder 51F710A P#NJ22471 57F710A P#NJ22461 . 3. Top Screen Holder 51F710A P#NJ22472 57F710A P#NJ22462 . 4. Side Screen Holder 51F710A P#PH34051 57F710A P#PH34052 .
  • Page 120 SCREEN FRAME ASSY, MIRROR (65F710A) SCREEN FRAME ASSY 1 (65F710A) . 1. Screws T1T 4*18 P#MJ03587(12 Pcs.) . 1. Screws T1T 4*18 P#MJ03587(8 Pcs.) . 2. Screws Flat Head P#MJ03111(6 Pcs.) . 2. Sensor Harness P#EK01566 . 3. Mirror P#KS08151 LIFT AND REMOVE MIRROR RETAINER SCREEN FRAME ASSY...
  • Page 121 SCREEN FRAME ASSY 2 (65F710A) SCREEN FRAME ASSY 3 (65F710A) . 1. Screws T1T 4*18 P#MJ03587(24 Pcs.) . 1. Bottom Frame P#QD38106 Bottom Screen Holder P#QD38143 . 2. Screen Assy P#KR03493 . 3. Ultrashield P#KR03263 . 4. Vertical Frame P#QD38125 .
  • Page 122 CORE ASSY 1 CORE ASSY 2 . 1. Screws Allen P#61010116(4 Pcs.) . 1. Screws T1T 4*18 P#MJ03587(15 Pcs.) . 2. Screws Flat Head P#MJ0875(4 Pcs.) . 2. Screws T1T 4*18 P#MJ03587(2 Pcs.) . 3. Screws T1T 4*18 P#MJ08745(4 Pcs.) .
  • Page 123 CORE ASSY 3 LCB ASSY . 1. Screws T2B 4*12 P#MJ03634(12 Pcs.)(51/57F710A) . 1. Light Stopper P#MN05593(3 Pcs.)(51/57F710A Only) T2B 4*20 P#MJ03638(12 Pcs.)(65F710A) . 2. Bracket Spacer P#ND00594(4 Pcs.)(65F710A Only) . 2. Srews T2B 4*12 P#MJ03634(12 Pcs.) 3. Focus Pack 51/57F710A P#AZ00726 .
  • Page 124 MAIN CHASSIS ASSY SIGNAL BLOCK ASS, DEFLECTION BLOCK ASSY . 1. Screws T2B 3*16 P#MJ03459(3 Pcs.) . 1. Screws T2B 3*16 P#MJ03459(2 Pcs.) . 2. Screws T2B 3*12 P#MJ03551(3 Pcs.) . 3. Nut Washer P#MK01431(2 Pcs.) . 4. Antenna Switch Box P#HP00774 DEFLECTION BLOCK TERMINAL HOLDER SIGNAL BLOCK...
  • Page 125 POWER PWB ASSY SIGNAL PWB ASSY, DIGITAL CORE . 1. Screws T2B 3*16 P#MJ03459(2 Pcs.) . 1. Screws T2B 3*16 P#MJ03459(3 Pcs.) . 2. Power PWB Assy P#JT25022 . 2. Digital Core P#UE24771 3. Signal PWB Assy P#JT25012 DESOLDER AND UNTWIST TWO DIGITAL CORE PINS SIGNAL PWB FRAME...
  • Page 126 DP55 WAVEFORMS AT EACH SECTION Numbers inside circle correspond to locations shown in the circuit diagram. Waveforms taken using a Color Bar signal with H sync 31 khz and V. sync 60 hz and a X10 probe. Click on number to go to schematic I001 Pin 4 Main Sync I401 Pin 54 Main P I401 Pin 55 Main P...
  • Page 127 DP55 WAVEFORMS AT EACH SECTION Numbers inside circle correspond to locations shown in the circuit diagram. Waveforms taken using a Color Bar signal with H sync 31 khz and V. sync 60 hz and a X10 probe. Click on number to go to schematic IX01 Pin 66 P IX01 Pin 67 P IX01 Pin 68 Y IN...
  • Page 128 DP55 WAVEFORMS AT EACH SECTION Numbers inside circle correspond to locations shown in the circuit diagram. Waveforms taken using a Color Bar signal with H sync 31 khz and V. sync 60 hz and a X10 probe. Click on number to go to schematic PST Pin 63 SDA PST Pin 64 SCL PCR Pin 1 RV CONV OUT...
  • Page 129 DP55 WAVEFORMS AT EACH SECTION Numbers inside circle correspond to locations shown in the circuit diagram. Waveforms taken using a Color Bar signal with H sync 31 khz and V. sync 60 hz and a X10 probe. Click on number to go to schematic I601 Pin 1 V OUT I701 Pin 7 SIDE PIN OUT Q777 B H IN...
  • Page 130 DP55 DP55 DC VOLTAGE TABLES Symbol Pin No. Voltage Symbol Pin No. Voltage Symbol Pin No. Voltage Pin No. Voltage Symbol Pin No. Voltage Pin No. Voltage Pin No. Voltage Pin No. Voltage PAN1 4.5 V PDC1 226.7 V 5.1 V 3.8 V 11.1 V 5.6 V...
  • Page 131 DP55 DP55 DC VOLTAGE TABLES Symbol Pin No. Voltage Pin No. Voltage Pin No. Voltage Pin No. Voltage Symbol Pin No. Voltage Symbol Pin No. Voltage Pin No. Voltage Pin No. Voltage Pin No. Voltage I001 I002 2.4 V I401 5.5 V 5.5 V 0.5 V...
  • Page 132 DP55 DP55 DC VOLTAGE TABLES Symbol Pin No. Voltage Pin No. Voltage Pin No. Voltage Symbol Pin No. Voltage Pin No. Voltage Pin No. Voltage Pin No. Voltage Pin No. Voltage Pin No. Voltage IK41 -24.2 V IS06 3.3 V 3.3 V 2.45 V 0.1 V...
  • Page 133 DP55 DP55 DC VOLTAGE TABLES Symbol Pin No. Voltage Symbol Pin No. Voltage Symbol Pin No. Voltage Symbol Pin No. Voltage Q603 Q901 QH02 0.5 V QX25 4.4 V 0.8 V 17.6 V 1.7 V 5.1 V Symbol Pin No. Voltage Symbol Pin No.
  • Page 134 DP55 BASIC CIRCUIT DIAGRAM SIGNAL 1 OF 9 PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. All DC voltage to be measured with a tester (100k /V).
  • Page 135 DP55 BASIC CIRCUIT DIAGRAM SIGNAL 2 OF 9 PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. All DC voltage to be measured with a tester (100k /V).
  • Page 136 DP55 BASIC CIRCUIT DIAGRAM SIGNAL 3 OF 9 PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. All DC voltage to be measured with a tester (100k /V).
  • Page 137 DP55 BASIC CIRCUIT DIAGRAM SIGNAL 4 OF 9 PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. 2 2 2 6 All DC voltage to be measured with a tester (100k /V).
  • Page 138 DP55 BASIC CIRCUIT DIAGRAM SIGNAL 5 OF 9 PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. All DC voltage to be measured with a tester (100k /V).
  • Page 139 DP55 BASIC CIRCUIT DIAGRAM SIGNAL 6 OF 9 PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. All DC voltage to be measured with a tester (100k /V).
  • Page 140 DP55 BASIC CIRCUIT DIAGRAM SIGNAL 7 OF 9 PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. All DC voltage to be measured with a tester (100k /V).
  • Page 141 DP55 BASIC CIRCUIT DIAGRAM SIGNAL 8 OF 9 PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. All DC voltage to be measured with a tester (100k /V).
  • Page 142 DP55 BASIC CIRCUIT DIAGRAM SIGNAL 9 OF 9 PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. All DC voltage to be measured with a tester (100k /V).
  • Page 143 DP55 BASIC CIRCUIT DIAGRAM CPT/VM 1 OF 3 PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. All DC voltage to be measured with a tester (100k /V).
  • Page 144 DP55 BASIC CIRCUIT DIAGRAM CPT/VM 2 OF 3 PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. All DC voltage to be measured with a tester (100k /V).
  • Page 145 DP55 BASIC CIRCUIT DIAGRAM CPT/VM 3 OF 3 PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. All DC voltage to be measured with a tester (100k /V).
  • Page 146 DP55 BASIC CIRCUIT DIAGRAM CONTROL 1 OF 1 PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. All DC voltage to be measured with a tester (100k /V).
  • Page 147 DP55 BASIC CIRCUIT DIAGRAM POWER 1 OF 1 PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. All DC voltage to be measured with a tester (100k /V).
  • Page 148 DP55 BASIC CIRCUIT DIAGRAM DEFLECTION 1 OF 3 PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. All DC voltage to be measured with a tester (100k /V).
  • Page 149 DP55 BASIC CIRCUIT DIAGRAM DEFLECTION 2 OF 3 PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. All DC voltage to be measured with a tester (100k /V).
  • Page 150 DP55 BASIC CIRCUIT DIAGRAM DEFLECTION 3 OF 3 PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. All DC voltage to be measured with a tester (100k /V).
  • Page 151 DP55 BASIC CIRCUIT DIAGRAM SENSOR 1 OF 1 PRODUCT SAFETY NOTE: Components marked with a and shaded have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. All DC voltage to be measured with a tester (100k /V).

  • Page 152: Printed Circuit Boards

    PRINTED CIRCUIT BOARDS DP55 DP55 SIGNAL PWB (Component side) DP55 SIGNAL PWB SEMICONDUCTOR LOCATION ( Component side) QC05 D500 QC06 D501 I001 QC07 D502 I002 QC08 D503 I003 QC09 DA01 I004 QC10 DA02 I005 QC11 DA03 I006 QC12 DA04 I301 QC13 DA05 I302...
  • Page 153 PRINTED CIRCUIT BOARDS DP55 DP55 SIGNAL PWB (Solder side) BACK TO TABLE OF CONTENTS...
  • Page 154 PRINTED CIRCUIT BOARDS DP55 DP55 SUBDIGITAL PWB (Component side) DP55 SUBDIGITAL PWB SEMICONDUCTOR LOCATION (Component side) QR02 QR03 IM01 QX04 IP02 QX05 IP12 QX06 IPG1 IPS1 DIODE IR02 IR03 IT04 DP01 IT05 DP02 IT06 DP03 IT07 DP20 IT09 DP21 IV03 DPS1 IV04 DPS2...
  • Page 155 PRINTED CIRCUIT BOARDS DP55 DP55 SUBDIGITAL PWB (Solder side) DP55 SUBDIGITAL PWB SEMICONDUCTOR LOCATION (Solder side) QM03 QM04 IM02 QT01 IM03 QT02 IP05 QT03 IR01 QV01 IT01 QV02 IT02 QW01 IT08 QW02 IT13 QX01 IV01 QX02 IV02 QX03 IV05 QY01 IW04 QY02 IW06...
  • Page 156 PRINTED CIRCUIT BOARDS DP55 DP55 DEFLECTION PWB (Component side) DP55 DEFLECTION PWB SEMICONDUCTOR LOCATION (Component side) DH08 DH09 I601 DH10 I701 DH11 IH01 DH12 IK02 DH13 IK40 DH14 IK41 DH15 IP01 DH16 IP02 DH17 IP40 DH18 IP41 DH19 DK35 DK36 TRANSISTOR DK40 Q603...
  • Page 157 PRINTED CIRCUIT BOARDS DP55 DP55 DEFLECTION PWB (Solder side) BACK TO TABLE OF CONTENTS...
  • Page 158 PRINTED CIRCUIT BOARDS DP55 DP55 POWER PWB DP55 POWER PWB SEMICONDUCTOR LOCATION (Component side) D911 D912 I901 D913 I902 D914 I903 D915 I904 D916 I905 D940 I906 D941 I941 D942 I942 D943 D944 D945 TRANSISTOR D946 Q901 D947 Q942 D948 Q943 D949 Q944...
  • Page 159 PRINTED CIRCUIT BOARDS DP55 DP55 CONTROL PWB DP55 CONTROL PWB SEMICONDUCTOR (Component side) TRANSISTOR QM01 QM03 QM04 QM05 QM09 DIODE DM03 DM04 DM05 DM07 (Component side) DM08 DM09 DM10 DM11 DM12 DM17 DM18 DM20 DM21 DM22 HM01 (Solder side) BACK TO TABLE OF CONTENTS...
  • Page 160 PRINTED CIRCUIT BOARDS DP55 DP55 CPT PWB (Component side) DP55 CPT PWB SEMICONDUCTOR LOCATION (Component side ) TRANSISTOR D814 Q801 D815 Q802 D816 Q803 D817 Q804 D851 Q805 D852 Q806 D853 Q812 D854 Q851 D856 Q852 D858 Q853 D859 Q854 D860 Q855 D863...
  • Page 161 PRINTED CIRCUIT BOARDS DP55 DP55 CPT PWB (Solder side) BACK TO TABLE OF CONTENTS...
  • Page 162 PRINTED CIRCUIT BOARDS DP55 DP55 SENSOR PWB DP55 SENSOR PWB SEMICONDUCTOR (Component side ) TRANSISTOR QL10 QL11 QL12 QL13 QL14 QL15 QL16 QL17 DIODE DL01 DL10 DL11 DL12 DL13 DL14 DL15 DL16 DL17 DL20 DL21 DL22 DL23 DL24 DL25 DL26 DL27 DL30 DL31...

  • Page 163: Replacement Parts List

    DP55 REPLACEMENT PARTS LIST PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. ABBREVIATIONS Capacitors: Resistors:...
  • Page 164 DP55 PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART # DESCRIPTION...
  • Page 165 DP55 PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART # DESCRIPTION...
  • Page 166 DP55 PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART # DESCRIPTION...
  • Page 167 DP55 PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART # DESCRIPTION...
  • Page 168 DP55 PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART # DESCRIPTION...
  • Page 169 DP55 PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART # DESCRIPTION...
  • Page 170 DP55 PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART # DESCRIPTION...
  • Page 171 DP55 PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART # DESCRIPTION...
  • Page 172 DP55 PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART # DESCRIPTION...
  • Page 173 DP55 PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART # DESCRIPTION...
  • Page 174 DP55 PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART # DESCRIPTION...
  • Page 175 DP55 PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART # DESCRIPTION...
  • Page 176 DP55 PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART # DESCRIPTION...
  • Page 177 DP55 PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART # DESCRIPTION...
  • Page 178 DP55 PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART # DESCRIPTION...
  • Page 179 DP55 PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART # DESCRIPTION...
  • Page 180 DP55 PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART # DESCRIPTION...
  • Page 181 DP55 PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART # DESCRIPTION...
  • Page 182 DP55 PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART # DESCRIPTION...
  • Page 183 DP55 PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART # DESCRIPTION...
  • Page 184 DP55 PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART # DESCRIPTION...
  • Page 185 DP55 QUICK REFERENCE PARTS LIST IC’S & UNITS No. Symbol Description Function PWB ASSY Remarks A011 JP08641 DP55 MAIN DIGITAL PWB ASY MAIN DIGITAL ASS'Y MAIN DIGITAL A021 JP08507 DP55 SUB DIGITAL PWB ASY SUB DIGITAL ASS'Y SUB DIGITAL HM01 CZ01241 GP1FM514TZ0F IR TRANSMITTING/ RECEIVER...
  • Page 186 DP55 QUICK REFERENCE PARTS LIST IC’S & UNITS No. Symbol Description Function PWB ASSY Remarks IT07 CK37061R ANALOG MONOLITHIC IC(NJM4565) DCU DUAL OPERATIONAL AMPLIFIER SIGNAL IX01 CK38711U IC TA1360AFG(HIT) RGB SIGNAL PROCESSOR SIGNAL IX02 CP05163S IC SI-3090F(LF1111) LOW DROPOUT VOLTAGE 9.3 V IC REGULATOR SIGNAL U301 HC00642...

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