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Sony DCR-TRV940 Adjustment Manual
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Sony DCR-TRV940 Adjustment Manual

Sony DCR-TRV940 Adjustment Manual

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DCR-TRV940/TRV940E/TRV950/TRV950E
Ver 1.0 2002. 05

Revision History

Revision History
Link
Link
Before starting adjustments
Before starting adjustments
Adjusting items when replacing main parts and boards
Adjusting items when replacing main parts and boards
CAMERA SECTION ADJUSTMENTS
CAMERA SECTION ADJUSTMENTS
PREPARATIONS BEFORE ADJUSTMENTS
PREPARATIONS BEFORE ADJUSTMENTS
INITIALIZATION OF 8, A, B, C, D, E, F, 1B, 1E, 1F PAGE DATA
INITIALIZATION OF 8, A, B, C, D, E, F, 1B, 1E, 1F PAGE DATA
CAMERA SYSTEM ADJUSTMENTS
CAMERA SYSTEM ADJUSTMENTS
ELECTRONIC VIEWFINDER SYSTEM ADJUSTMENTS
ELECTRONIC VIEWFINDER SYSTEM ADJUSTMENTS
LCD SYSTEM ADJUSTMENTS
LCD SYSTEM ADJUSTMENTS
MECHANISM SECTION ADJUSTMENTS
MECHANISM SECTION ADJUSTMENTS
HOW TO ENTER RECORD MODE WITHOUT CASSETTE
HOW TO ENTER RECORD MODE WITHOUT CASSETTE
HOW TO ENTER PLAYBACK MODE WITHOUT CASSETTE
HOW TO ENTER PLAYBACK MODE WITHOUT CASSETTE
TAPE PATH ADJUSTMENT
TAPE PATH ADJUSTMENT
Contents of LEVEL 2 and LEVEL 3 Service Manual
CONTENTS
1. SERVICE NOTE
2. DISASSEMBLY
3. BLOCK DIAGRAMS
4. PRINTED WIRING BOARDS AND
SCHEMATIC DIAGRAMS
5. REPAIR PARTS LIST
9-929-978-51
SECTION 6
ADJUSTMENTS
LEVEL 2
a
a
OVERALL
POWER
CD-389, CK-116, JK-222,
LB-080, MA-410, PD-168,
SE-132 BOARD
FP-100, FP-102, FP-228,
FP-495, FP-497, FP-500,
FP-503, FP-504
FLEXIBLE
EXPLODED VIEWS
ELECTRICAL PARTS
Sony EMCS Co.
VIDEO SECTION ADJUSTMENTS
VIDEO SECTION ADJUSTMENTS
PREPARATIONS BEFORE ADJUSTMENTS
PREPARATIONS BEFORE ADJUSTMENTS
SYSTEM CONTROL SYSTEM ADJUSTMENTS
SYSTEM CONTROL SYSTEM ADJUSTMENTS
SERVO AND RF SYSTEM ADJUSTMENTS
SERVO AND RF SYSTEM ADJUSTMENTS
VIDEO SYSTEM ADJUSTMENTS
VIDEO SYSTEM ADJUSTMENTS
AUDIO SYSTEM ADJUSTMENTS
AUDIO SYSTEM ADJUSTMENTS
SERVICE MODE
SERVICE MODE
ADJUSTMENT REMOTE COMMANDER
ADJUSTMENT REMOTE COMMANDER
DATA PROCESS
DATA PROCESS
SERVICE MODE
SERVICE MODE
LEVEL 3
DB-014, VC-288 BOARD
a
(DB-014, VC-288 BOARD)
RMT-811
ADJ
2002E0500-1
©2002.5
Published by DI Customer Center

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  • Page 1: Revision History

    DB-014, VC-288 BOARD SCHEMATIC DIAGRAMS LB-080, MA-410, PD-168, SE-132 BOARD FP-100, FP-102, FP-228, FP-495, FP-497, FP-500, FP-503, FP-504 FLEXIBLE 5. REPAIR PARTS LIST EXPLODED VIEWS ELECTRICAL PARTS (DB-014, VC-288 BOARD) 2002E0500-1 ©2002.5 Sony EMCS Co. 9-929-978-51 Published by DI Customer Center...

  • Page 2: Table Of Contents

    DCR-TRV940/TRV940E/TRV950/TRV950E TABLE OF CONTENTS Section Title Page Section Title Page ADJUSTMENTS VCO Adjustment (DB-014 Board) ································ 6-42 RGB AMP Adjustment (DB-014 Board) ······················· 6-43 Before Starting Adjustments ····················································· 6-1 Contrast Adjustment (DB-014 Board) ··························· 6-43 1-1. Adjusting Items when Replacing Back Light Adjustment (DB-014 Board) ······················...
  • Page 3 DCR-TRV940/TRV940E/TRV950/TRV950E Section Title Page Jack Check (1) ······························································· 6-71 Jack Check (2) ······························································· 6-71 Switch Check ································································· 6-72 LED, LCD (Display Window) Check ··························· 6-72 Record of Use Check (1) ··············································· 6-73 Record of Use Check (2) ··············································· 6-73 Record of Self-diagnosis Check ···································· 6-74 * The color reproduction frame is shown on page 6-75 —...

  • Page 4: Adjustments

    DCR-TRV940/TRV940E/TRV950/TRV950E SECTION 6 COVER COVER ADJUSTMENTS Before starting adjustments EVR Data Re-writing Procedure When Replacing Board The data that is stored in the repair board, is not necessarily correct. Perform either procedure 1 or procedure 2 or procedure 3 when replacing board.

  • Page 5: Adjusting Items When Replacing

    DCR-TRV940/TRV940E/TRV950/TRV950E COVER COVER 1-1. Adjusting items when replacing main parts and boards • Adjusting items when replacing main parts When replacing main parts, adjust the items indicated by z in the following table. Replaced part Block replacement Mounted part replacement...
  • Page 6 DCR-TRV940/TRV940E/TRV950/TRV950E • Adjusting items when replacing a board or EEPROM When replacing a board or EEPROM, adjust the items indicated by z in the following table. Replaced part Note 2: DCR-TRV950/TRV950E only Note 3: After BT-003 board is replaced, check the “Info.” is correctly dis- played with the following proce- dure.

  • Page 7: Camera Section Adjustments

    DCR-TRV940/TRV940E/TRV950/TRV950E COVER COVER 6-1. CAMERA SECTION ADJUSTMENTS 1-1. PREPARATIONS BEFORE ADJUSTMENTS (CAMERA SECTION) 1-1-1. List of Service Tools • Oscilloscope • Color monitor • Vectorscope • Regulated power supply • Digital voltmeter • Frequency counter Ref. No. Name Parts Code...

  • Page 8: Preparations

    DCR-TRV940/TRV940E/TRV950/TRV950E 1-1-2. Preparations Pattern box Note 1: For details of how remove the cabinet and boards, refer to “2. DISASSEMBLY”. Note 2: When performing only the adjustments, the lens block and boards need not be disassembled. Note 3: Before perform the adjustment, check that the data of page: 0, address: 10 is “00”.
  • Page 9 DCR-TRV940/TRV940E/TRV950/TRV950E AC power adaptor (8.4 Vdc) AC-L10, AC-VQ800 etc. EVF BLOCK Must be connected when Must be connected to FLASH unit performing the EVF system when performing the strobe adjustment. adjustment. LENS BLOCK CN7205 CN7211 CN1010 CN1501 DB-014 board CD-389 board...

  • Page 10: Precaution

    DCR-TRV940/TRV940E/TRV950/TRV950E 1-1-3. Precaution 1. Setting the Switch Unless otherwise specified, set the switches as follows and perform adjustments without loading cassette. POWER switch (PS-1870 block) ......CAMERA WHITE BAL (KP-1870 block) ........OFF FOCUS (FP-504 flexible) ..........MAN EXPOSURE (KP-1870 block) ........AUTO BACK LIGHT (CK-116 board) ........

  • Page 11: Preparing The Flash Adjustment Box

    DCR-TRV940/TRV940E/TRV950/TRV950E 4. Preparing the Flash Adjustment Box A dark room is required to provide an accurate flash adjustment. If it is not available, prepare the flash adjustment box as given below; 1) Provide woody board A, B and C of 15 mm thickness.

  • Page 12: Initialization Of 8, A, B, C, D, E, F, 1B, 1E

    DCR-TRV940/TRV940E/TRV950/TRV950E COVER COVER 1-2. INITIALIZATION OF 8, A, B, C, D, E, F, 1B, [Adjusting Procedure] 1E, 1F PAGE DATA 1. Initialaizing of A, D Page Data Note 1: If reading/writing data on pages 1B, 1E, 1F, set data: 01 2.

  • Page 13: Initialization Of A, D Page Data

    Note 2: Check that the voltage of power supply is 6.0 ± 0.1Vdc. 2) New data for changing are not shown in the tables because Note 3: NTSC model: DCR-TRV940/TRV950 they are different in destination. When changing the data, copy PAL model: DCR-TRV940E/TRV950E the data built in the same model.
  • Page 14 DCR-TRV940/TRV940E/TRV950/TRV950E 3. A Page table 4. D Page table Note 1: Check that the data of page: 0, address: 10 is “00”. Note 1: Check that the data of page: 0, address: 10 is “00”. Note 2: Fixed data-1: Initialized data. (Refer to “1. Initializing Note 2: Fixed data-1: Initialized data.

  • Page 15: Initialization Of 8, C Page Data

    DCR-TRV940/TRV940E/TRV950/TRV950E 1-2-2. Initialization of 8, C Page Data 2. Modification of 8, C Page Data Note: Check that the data of page: 0, address: 10 is “00”. If the 8, C page data has been initialized, change the data of the “Fixed data-2”...

  • Page 16: Page Table

    DCR-TRV940/TRV940E/TRV950/TRV950E 3. 8 Page table 4. C Page table Note 1: Check that the data of page: 0, address: 10 is “00”. Note 1: Check that the data of page: 0, address: 10 is “00”. Note 2: Fixed data-1: Initialized data. (Refer to “1. Initializing Note 2: Fixed data-1: Initialized data.

  • Page 17: C Page Table

    DCR-TRV940/TRV940E/TRV950/TRV950E C Page table Initial value Initial value Address Remark Address Remark NTSC PAL NTSC PAL Fixed data-2 Fixed data-2 C7, C8 Fixed data-1 (Initialized data) VCO adj. (LCD) V-COM adj. (LCD) RGB AMP adj. (LCD) Fixed data-2 Fixed data-1 (Initialized data) V-COM level adj.

  • Page 18: Initialization Of E, F, 1E, 1F Page Data

    When changing the data, copy Note 3: Check that the voltage of power supply is 6.0 ± 0.1Vdc. the data built in the same model. Note 4: NTSC model: DCR-TRV940/TRV950 Note: If copy the data built in the different model, the PAL model: DCR-TRV940E/TRV950E camcorder may not operate.
  • Page 19 DCR-TRV940/TRV940E/TRV950/TRV950E 3. E Page table Initial value Note 1: Check that the data of page: 0, address: 10 is “00”. Address Remark NTSC PAL Note 2: Fixed data-1: Initialized data. (Refer to “1. Initializing the E, F, 1E, 1F Page Data”) Fixed data-2 Fixed data-2: Modified data.
  • Page 20 DCR-TRV940/TRV940E/TRV950/TRV950E 4. F Page table Initial value Note 1: Check that the data of page: 0, address: 10 is “00”. Address Remark NTSC PAL Note 2: Fixed data-1: Initialized data. (Refer to “1. Initializing the E, F, 1E, 1F Page Data”) Fixed data-2: Modified data.
  • Page 21 DCR-TRV940/TRV940E/TRV950/TRV950E F Page table Initial value Address Remark NTSC PAL Mechanical shutter adj. A6 to B3 Fixed data-1 (Initialized data) Fixed data-2 Fixed data-1 (Initialized data) Fixed data-2 B8 to C4 Fixed data-1 (Initialized data) Fixed data-2 C6 to FF...
  • Page 22 DCR-TRV940/TRV940E/TRV950/TRV950E 5. 1E Page table Initial value Note 1: If reading/writing data on pages 1E, set data: 01 to page: Address Remark NTSC PAL 0, address: 10, and then select pages E. By this data set- ting, the pages 1E can be selected.
  • Page 23 DCR-TRV940/TRV940E/TRV950/TRV950E 6. 1F Page table Note 1: If reading/writing data on pages 1F, set data: 01 to page: 0, address: 10, and then select pages F. By this data set- ting, the pages 1F can be selected. After the data reading/writing finished, return the data on page: 0, address: 10 to “00”.

  • Page 24: Initialization Of B, 1B Page Data

    DCR-TRV940/TRV940E/TRV950/TRV950E 1-2-4. Initialization of B, 1B Page Data 2. Modification of B, 1B Page Data Note: If reading/writing data on pages 1B, set data: 01 to page: If the B, 1B page data has been initialized, change the data of the 0, address: 10, and then select pages B.

  • Page 25: Initializing Of Network Setting Data

    DCR-TRV940/TRV940E/TRV950/TRV950E 5. Initializing of Network Setting Data (DCR-TRV950/TRV950E) Initializing method: Order Page Address Data Procedure Press PAUSE button. Press PAUSE button. Set the following data, and press PAUSE button. 01: CND, E, HK, AU model 03: US model 04: AEP, UK, EE, NE, RU model Press PAUSE button.

  • Page 26: Camera System Adjustments

    = 33000000 ± 165 Hz (NTSC) Specified value f = 27000000 ± 135 Hz (PAL) Note 1: Check that the data of page: 0, address: 10 is “00”. Note 2: NTSC model: DCR-TRV940/TRV950 PAL model: DCR-TRV940E/TRV950E Adjusting method: Order Page Address Data...

  • Page 27: Hall Adjustment

    DCR-TRV940/TRV940E/TRV950/TRV950E RadarW RadarW RadarW RadarW RadarW 2. HALL Adjustment Processing after Completing Adjustment: For detecting the position of lens iris and ND filter, adjust the hall Order Page Address Data Procedure AMP gain and offset. Press PAUSE button. Subject Not required...

  • Page 28: Mr Adjustment

    DCR-TRV940/TRV940E/TRV950/TRV950E RadarW RadarW RadarW RadarW RadarW 3. MR Adjustment The inner focus lens MR adjustment is carried out automatically. In whichever case, the focus will be deviated during auto focus- ing/manual focusing. Subject Not required Measurement Point Adjusting remote commander...

  • Page 29: Flange Back Adjustment (Using The Minipattern Box)

    DCR-TRV940/TRV940E/TRV950/TRV950E RadarW RadarW RadarW RadarW RadarW 4. Flange Back Adjustment Adjusting method: (Using the minipattern box) Order Page Address Data Procedure The inner focus lens flange back adjustment is carried out auto- matically. In whichever case, the focus will be deviated during auto focusing/manual focusing.

  • Page 30: Flange Back Adjustment (Using The Flange Back Adjustment Chart And Subject More Than 500 M Away)

    DCR-TRV940/TRV940E/TRV950/TRV950E RadarW RadarW RadarW 5-2. Flange Back Adjustment (2) Flange Back Adjustment (Using the flange back adjustment chart and Perform this adjustment after performing “Flange Back Adjust- Subject More than 500 m Away) ment (1)”. The inner focus lens flange back adjustment is carried out auto-...

  • Page 31: Flange Back Check

    DCR-TRV940/TRV940E/TRV950/TRV950E Flange Back Check Subject Siemens star (2.0 m from the front of the lens) (Luminance: 300 to 400 lux) Measurement Point Check operation on monitor TV Measuring Instrument Specified value Focused at the TELE end and WIDE Note 1: Check that the data of page: 0, address: 10 is “00”.

  • Page 32: Picture Frame Setting

    DCR-TRV940/TRV940E/TRV950/TRV950E 7. Picture Frame Setting Check on the oscilloscope Subject Color bar chart 1. Horizontal period (Color reproduction adjustment frame) (1.0 m from the front of lens) Measurement Point Video terminal of A/V jack (75 Ω terminated) Measuring Instrument Oscilloscope and monitor TV...

  • Page 33: Awb Standard Data Input

    Note 3: Check that the data of page: 6, address: 02 is “00”. If not, turn the power of unit OFF/ON. If not, turn the power of unit OFF/ON. Note 4: NTSC model: DCR-TRV940/TRV950 Switch setting 1) POWER ..............CAMERA PAL model: DCR-TRV940E/TRV950E 2) DIGITAL ZOOM (Menu setting) ........

  • Page 34: F No. & Nd Light Quality Standard Data Input

    DCR-TRV940/TRV940E/TRV950/TRV950E RadarW RadarW RadarW RadarW RadarW 10. F No. & ND Light Quality Standard Data Input 11. LV Standard Data Input Adjust the normal coefficient of the light value. RadarW RadarW RadarW RadarW RadarW Correct the lens iris and the dispersion of the ND filter light quan-...

  • Page 35: Auto White Balance Adjustment

    DCR-TRV940/TRV940E/TRV950/TRV950E RadarW RadarW RadarW RadarW RadarW 12. Auto White Balance Adjustment Adjust to the proper auto white balance output data. If it is not correct, auto white balance and color reproducibility will be poor. Subject Clear chart (Color reproduction adjustment...

  • Page 36: Auto White Balance Check

    DCR-TRV940/TRV940E/TRV950/TRV950E RadarW RadarW RadarW RadarW RadarW 13. Auto White Balance Check Processing after Completing Adjustment: Subject Clear chart Order Page Address Data Procedure (Color reproduction adjustment Press PAUSE button. frame) Filter Filter C14 for color temperature Remove the ND filter 1.5 correction (1.0 + 0.4 + 0.1) on the lens.

  • Page 37: Color Reproduction Adjustment

    All color luminance points should settle within each color reproduction Fig. 6-1-15 frame. Note 1: NTSC model: DCR-TRV940/TRV950 PAL model: DCR-TRV940E/TRV950E Note 2: “Color Reproduction Adjustment” is available only once after the power is turned on. Turn the power off, then on NTSC model again if the adjustment is retried.

  • Page 38: Psd Sensor Gain Adjustment

    Convert D ’ to a hexadeci- Note 1: Check that the data of page: 0, address: 10 is “00”. mal number, and obtain D Note 2: NTSC model: DCR-TRV940/TRV950 (Note 2) PAL model: DCR-TRV940E/TRV950E Press PAUSE button. Switch setting Note 1: Keep a note of D value to use at “16.
  • Page 39 DCR-TRV940/TRV940E/TRV950/TRV950E 15-2. PSD Sensor Gain Adjustment (2) Processing after Completing Adjustment: Subject Pattern B Order Page Address Data Procedure (1.5 m from the front of lens) Press PAUSE button. Measurement Point Video terminal of A/V jack Measuring Instrument Oscilloscope (H period)

  • Page 40: Angular Velocity Sensor Sensitivity Adjustment

    DCR-TRV940/TRV940E/TRV950/TRV950E 16. Angular Velocity Sensor Sensitivity Adjustment Processing after Completing Adjustment: • Perform the angular velocity sensor sensitivity adjustment only Order Page Address Data Procedure when replacing the angular velocity sensor or lens block. When the microprocessor, circuit, etc. malfunctions, do not perform this adjustment but check operations only.

  • Page 41: Mechanical Shutter Adjustment

    DCR-TRV940/TRV940E/TRV950/TRV950E RadarW RadarW RadarW RadarW RadarW RadarW RadarW RadarW 17. Mechanical Shutter Adjustment 18. Strobe Light Level Adjustment Adjust the close time and loss time every F number of the me- Adjust the strobe light level. chanical shutter and the high-speed shutter correction value to...

  • Page 42: Strobe White Balance Adjustment

    DCR-TRV940/TRV940E/TRV950/TRV950E RadarW RadarW RadarW 19. Strobe White Balance Adjustment Processing after Completing Adjustment: Adjust the white balance when the strobe light flashed. Order Page Address Data Procedure Subject Flash adjustment box (Note 3) Press PAUSE button. (50 cm from the front of the lens)

  • Page 43: Hologram Af Output Adjustment

    DCR-TRV940/TRV940E/TRV950/TRV950E RadarW RadarW RadarW RadarW RadarW 20. Hologram AF Output Adjustment Adjust so that the laser output of the hologram AF becomes proper value. Subject Flash adjustment box (Note 3) (50 cm from the front of the lens) Measurement Point...

  • Page 44: Hologram Af Angle Check

    DCR-TRV940/TRV940E/TRV950/TRV950E RadarW RadarW RadarW 21. Hologram AF Angle Check Processing after Completing Adjustment: Subject Dark homogeneous subject (Note 2) Order Page Address Data Procedure (1 m from the front of the lens) Measurement Point Monitor TV Press PAUSE button. Measuring Instrument...

  • Page 45: Color Electronic Viewfinder System Adjustments

    1) Select page: 3, address: C4, and set data: 00. Note 1: Check that the data of page: 0, address: 10 is “00”. 2) Select page: 3, address: C5, and set data: 00. Note 2: NTSC model: DCR-TRV940/TRV950 PAL model: DCR-TRV940E/TRV950E [Adjusting connector]...

  • Page 46: Rgb Amp Adjustment (Db-014 Board)

    DCR-TRV940/TRV940E/TRV950/TRV950E 2. RGB AMP Adjustment (DB-014 board) 3. Contrast Adjustment (DB-014 board) Set the D Range of the RGB decoder for driving the LCD to the Set the video signal level for driving the LCD to the specified specified value.

  • Page 47: Back Light Adjustment (Db-014 Board)

    DCR-TRV940/TRV940E/TRV950/TRV950E 4. Back Light Adjustment (DB-014 board) 5. White Balance Adjustment (DB-014 board) Set the back light luminance. Correct the white balance. If deviated, the image may become dark or bright. If deviated, the EVF screen color cannot be reproduced.

  • Page 48: Lcd System Adjustments

    Most of the measuring points for adjusting the LCD system are Note 1: Check that the data of page: 0, address: 10 is “00”. concentrated in CN1024 of the VC-288 board. Note 2: NTSC model: DCR-TRV940/TRV950 Connect the Measuring Instruments via the CPC-jig for LCD (J- PAL model: DCR-TRV940E/TRV950E 6082-529-A).

  • Page 49: Rgb Amp Adjustment (Pd-168 Board)

    DCR-TRV940/TRV940E/TRV950/TRV950E 2. RGB AMP Adjustment (PD-168 board) 3. Contrast Adjustment (PD-168 board) Set the D Range of the RGB decoder for driving the LCD to the Set the video signal level for driving the LCD to the specified specified value.

  • Page 50: V-Com Level Adjustment (Pd-168 Board)

    DCR-TRV940/TRV940E/TRV950/TRV950E 4. V-COM Level Adjustment (PD-168 board) 5. V-COM Adjustment (PD-168 board) Set the common electrode drive signal level of LCD to the speci- Set the DC bias of the common electrode drive signal of LCD to fied value. the specified value.

  • Page 51: White Balance Adjustment (Pd-168 Board)

    DCR-TRV940/TRV940E/TRV950/TRV950E 6. White Balance Adjustment (PD-168 board) Correct the white balance. If deviated, the LCD screen color cannot be reproduced. Mode CAMERA Subject Not required Measurement Point Check on LCD screen Measuring Instrument Adjustment Page Adjustment Address 67, 68 Specified Value LCD screen must not be colored Note 1: Check that the data of page: 0, address: 10 is “00”.

  • Page 52: Mechanism Section Adjustments

    DCR-TRV940/TRV940E/TRV950/TRV950E COVER COVER 6-2. MECHANISM SECTION ADJUSTMENTS On the mechanism section adjustment For details of mechanism section adjustments, checks, and replace- ment of mechanism parts, refer to the separate volume “DV ME- CHANICAL ADJUSTMENT MANUAL VI J Mechanism ”. 2-1.

  • Page 53: Video Section Adjustments

    DCR-TRV940/TRV940E/TRV950/TRV950E COVER COVER 6-3. VIDEO SECTION ADJUSTMENTS NTSC model : DCR-TRV940/TRV950 PAL model : DCR-TRV940E/TRV950E 3-1. PREPARATIONS BEFORE ADJUSTMENTS (VIDEO SECTION) Use the following measuring instruments for video section adjust- ments. 3-1-1. Equipment Required TV monitor Oscilloscope (dual-phenomenon, band above 30 MHz with delay mode) (Unless specified otherwise, use a 10 : 1 probe.)

  • Page 54: Precautions On Adjusting

    DCR-TRV940/TRV940E/TRV950/TRV950E 3-1-2. Precautions on Adjusting Note 1: Setting the “Forced VTR Power ON” mode (VTR mode) 1) This set is adjusted in two modes, VTR mode and CAMERA 1) Select page: 0, address: 01, and set data: 01. mode. 2) Select page: D, address: 10, set data: 02, and press...

  • Page 55: Adjusting Connectors

    DCR-TRV940/TRV940E/TRV950/TRV950E 3-1-3. Adjusting Connectors Some of the adjusting points of the video section are concentrated at VC-288 board CN1008. Connect the measuring instruments via the CPC-8 jig (J-6082-388-A). The following table lists the pin numbers and signal names of CN1008.

  • Page 56: Alignment Tapes

    Video signal: 1 Vp-p, 75 Ω (ohms), 2.2 kΩ (kilohms) negative unbalanced, sync negative Audio signal: 327 mV, (at output Chrominance signal: impedance more than 47 kΩ DCR-TRV940/TRV950: 0.286 Vp-p (kilohms) ) DCR-TRV940E/TRV950E: 0.3 Vp-p 75 Ω (ohms), unbalanced 6-53...

  • Page 57: System Control System Adjustments

    DCR-TRV940/TRV940E/TRV950/TRV950E COVER COVER 3-2. SYSTEM CONTROL SYSTEM ADJUSTMENTS 1. Initialization of 8, A, B, C, D, E, F, 1B, 1E, 1F Page Data If the 8, A, B, C, D, E, F, 1B, 1E, 1F page data is erased due to some reason, perform “1-2.

  • Page 58: Node Unique Id No. Input

    DCR-TRV940/TRV940E/TRV950/TRV950E 3. Node Unique ID No. Input 3-2. Input of Serial No. Note 1: Check that the data of page: 0, address: 10 is “00”. Write the serial No. and model code to the EEPROM (nonvolatile Note 2: Perform “3-2. Input of Serial No.” if the data on page 8 memory).
  • Page 59 DCR-TRV940/TRV940E/TRV950/TRV950E 0000 8192 2000 16384 4000 24576 6000 32768 8000 40960 A000 49152 C000 57344 E000 0100 8448 2100 16640 4100 24832 6100 33024 8100 41216 A100 49408 C100 57600 E100 0200 8704 2200 16896 4200 25088 6200 33280 8200...

  • Page 60: Servo And Rf System Adjustments

    DCR-TRV940/TRV940E/TRV950/TRV950E COVER COVER 2. PLL f & LPF f Pre-Adjustment (VC-288 board) 3-3. SERVO AND RF SYSTEM ADJUSTMENTS Before perform the servo and RF system adjustments, check that RadarW RadarW RadarW the specified values of “66MHz/54MHz Origin Oscillation Ad- Mode VTR stop justment”...

  • Page 61: Switching Position Adjustment (Vc-288 Board)

    DCR-TRV940/TRV940E/TRV950/TRV950E 3. Switching Position Adjustment (VC-288 board) 4. AGC Center Level and APC & AEQ Adjustment Note: Check that the data of page: 0, address: 10 is “00”. RadarW RadarW RadarW RadarW RadarW Mode VTR playback 4-1. Preparations before adjustments...

  • Page 62: Agc Center Level Adjustment (Vc-288 Board)

    DCR-TRV940/TRV940E/TRV950/TRV950E 4-2. AGC Center Level Adjustment (VC-288 board) 4-3. APC & AEQ Adjustment (VC-288 board) RadarW RadarW RadarW RadarW RadarW RadarW RadarW RadarW Mode VTR playback Mode VTR playback Subject Recorded signal at “Preparations Subject Recorded signal at “Preparations before adjustments”...

  • Page 63: Pll F & Lpf F Final Adjustment (Vc-288 Board)

    DCR-TRV940/TRV940E/TRV950/TRV950E 5. PLL f & LPF f Final Adjustment (VC-288 board) RadarW RadarW RadarW RadarW RadarW Mode VTR stop Signal No signal Measurement Point Displayed data of page: 3, address: 02 and 03 Measuring Instrument Adjusting remote commander Adjustment Page...

  • Page 64: Video System Adjustments

    DCR-TRV940/TRV940E/TRV950/TRV950E COVER COVER 3-4. VIDEO SYSTEM ADJUSTMENTS 1. Chroma BPF f Adjustment (DB-014 board) Set the center frequency of IC7001 chroma band-pass filter. Before perform the video system adjustments, check that the speci- fied values of “66MHz/54MHz Origin Oscillation Adjustment” of...

  • Page 65: (Db-014 Board)

    C = 300 ± 6 mVp-p (PAL) Order Page Address Data Procedure Note 1: Check that the data of page: 0, address: 10 is “00”. Note 2: NTSC model: DCR-TRV940/TRV950 Press PAUSE button. PAL model: DCR-TRV940E/TRV950E Change the data and set the Y...

  • Page 66: Video Out Level Check (Db-014 Board)

    (NTSC) B = 300 ± 18 mVp-p (PAL) Note 1: Check that the data of page: 0, address: 10 is “00”. Note 2: NTSC model: DCR-TRV940/TRV950 PAL model: DCR-TRV940E/TRV950E Switch setting 1) DEMO MODE (Menu display) ........OFF Checking method:...

  • Page 67: Audio System Adjustments

    DCR-TRV940/TRV940E/TRV950/TRV950E COVER COVER 3-5. AUDIO SYSTEM ADJUSTMENTS 1. Playback Level Check Mode VTR playback [Connecting the measuring instruments for the audio] Alignment tape: Connect the audio system measuring instruments in addition to Signal For audio operation check the video system measuring instruments as shown in Fig. 6-3-10.

  • Page 68: Overall Noise Level Check

    DCR-TRV940/TRV940E/TRV950/TRV950E 4. Overall Noise Level Check Mode Camera recording and playback No signal: Insert a shorting plug in Signal the MIC jack Audio left or right terminal of A/V Measurement Point jack Measuring Instrument Audio level meter Below –45 dBs...

  • Page 69: Service Mode

    DCR-TRV940/TRV940E/TRV950/TRV950E COVER COVER 2. Precautions Upon Using 6-4. SERVICE MODE the Adjustment Remote Commander Mishandling of the adjustment remote commander may erase the 4-1. ADJUSTMENT REMOTE COMMANDER correct adjustment data at times. To prevent this, it is recommended The adjustment remote commander is used for changing the cal- that all adjustment data be noted down before beginning adjust- culation coefficient in signal processing, EVR data, etc.

  • Page 70: Data Process

    DCR-TRV940/TRV940E/TRV950/TRV950E COVER COVER 4-2. DATA PROCESS The calculation of the DDS display and the adjustment remote commander display data (hexadecimal notation) are required for obtaining the adjustment data of some adjustment items. In this case, after converting the hexadecimal notation to decimal nota- tion, calculate and convert the result to hexadecimal notation, and use it as the adjustment data.

  • Page 71: Service Mode

    DCR-TRV940/TRV940E/TRV950/TRV950E COVER COVER 2. Emergence Memory Address 4-3. SERVICE MODE 2-1. C Page Emergence Memory Address Additional note on adjustment Note: After the completion of the all adjustments, cancel the ser- Page C Address F4 to FF vice mode by either of the following ways.

  • Page 72: Emg Code (Emergency Code)

    DCR-TRV940/TRV940E/TRV950/TRV950E 2-2. EMG Code (Emergency Code) Codes corresponding to the errors which occur are written in C page, addresses F4, F8 and FC . The type of error indicated by the code are shown in the following table. Code Emergency Type...

  • Page 73: Msw Code

    DCR-TRV940/TRV940E/TRV950/TRV950E 2-3. MSW Code MSW when errors occur: Information on MSW (mode SW) when errors occur MSW when movement starts: Information on MSW when movements starts when the mechanism position is moved (When the L motor is moved) MSW of target of movement:...

  • Page 74: Bit Value Discrimination

    DCR-TRV940/TRV940E/TRV950/TRV950E 3. Bit Value Discrimination Display on the Bit values Bit values must be discriminated using the display data of the ad- adjustment bit3 bit2 bit1 bit0 justment remote commander for the following items. Us the table remote below to discriminate if the bit value is “1” or “0”.

  • Page 75: Switch Check

    DCR-TRV940/TRV940E/TRV950/TRV950E 6. Switch Check Page 2 Address 61 to 66 Using method: 1) Select page: 2, address: 61 to 66. 2) By discriminating the display data, the pressed key can be discriminated. Data Address 00 to 0C 0D to 24...

  • Page 76: Record Of Use Check (1)

    DCR-TRV940/TRV940E/TRV950/TRV950E 8. Record of Use Check (1) Page 7 Address A7 to A9 Note 1: This data will not be erased (reset) when the lithium 3 V power supply (CK-116 board BT5201) is removed. Note 2: When the drum was replaced, initialize the drum rota- tion counted time.

  • Page 77: Record Of Self-Diagnosis Check

    DCR-TRV940/TRV940E/TRV950/TRV950E 10. Record of Self-diagnosis check Page 7 Address B0 to C6 Note 1: This data will not be erased (reset) when the lithium 3 V power supply (CK-116 board BT5201) is removed. Note 2: Check that the data of page: 0, address 10 is “00”.
  • Page 78 DCR-TRV940/TRV940E/TRV950/TRV950E FOR CAMERA COLOR REPRODUCTION ADJUSTMENT Take a copy of CAMERA COLOR For NTSC model REPRODUCTION FRAME with a clear sheet for use. DCR-TRV940/TRV950 For PAL model DCR-TRV940E/TRV950E 6-75E 6-75...
  • Page 79 Reverse 992997851.pdf Revision History S.M. Rev. Ver. Date History Contents issued 2002.05 Official Release — —...

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