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Philips 202P70/00 Service Manual
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Philips 202P70/00 Service Manual

Philips 202P70/00 Service Manual

21" crt colour monitor
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Table of Contents

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21" CRT Colour Monitor
Service
Service
Service
Description
Important Safety Notice-----------------------------------2
Technical Data----------------------------------------------3
Installations -------------------------------------------------4
Electrical Instructions----------------------------------5~8
Mechanical Instructions------------------------------9~10
Troubleshooting ------------------------------------------11
OSD Adjustments------------------------------------12~21
OSD Tree---------------------------------------------------22
DDC Instructions-------------------------------------23~27
DDC DATA --------------------------------------------28~29
Repair Flow Chart -----------------------------------30~36
Wiring Diagram -------------------------------------------37
Block Diagram---------------------------------------------38
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS
AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING ELECTRONIC
EQUIPMENT CONTAINING HIGH VOLTAGES.
CAUTION: USE A SEPARATE ISOLATION TRANSFORMER FOR THIS UNIT WHEN SERVICING.
REFER TO BACK COVER FOR IMPORTANT SAFETY GUIDELINES
Published by BCU Monitors
Printed in Suzhou

TABLE OF CONTENTS

Page
Description
Waveform Diagram---------------------------------53~56
Exploded View-------------------------------------------57
Spare Parts List-------------------------------------58~62
Recommended Parts List ------------------------------63
General Product Specification -------------------64~84
Color Adjustments ---------------------------------------85
Repair Tips------------------------------------------------86
Safety Test Requirements -----------------------------87
Warning and Notes--------------------------------------88
Different Parts List---------------------------------------89
SAFETY NOTICE
Copyright reserved
Subject to modification K
Chassis: P72
202P70/00
202P73/27
202P75/75
202P75/93
202P75/97
Horizontal Frequencies
May. 13 2005
202P7
30 - 130KHz
Page
3138 106 10472
GB

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  • Page 1: Table Of Contents

    21" CRT Colour Monitor Chassis: P72 202P7 Service Service 202P70/00 202P73/27 Service 202P75/75 202P75/93 202P75/97 Horizontal Frequencies 30 - 130KHz TABLE OF CONTENTS Description Page Description Page Important Safety Notice-----------------------------------2 Video Diagram & C.B.A.---------------------------43~45 Technical Data----------------------------------------------3 Terminal Diagram & C.B.A. -----------------------46~48 Installations -------------------------------------------------4 Drive Diagram &...

  • Page 2: Important Safety Notice

    Under no circumstances should the original design be modified or altered without written permission from Philips. Philips assumes no liability, express or implied, arising out of any unauthorized modification of design. Servicer assumes all liability. * Broken Line...

  • Page 3: Technical Data

    Technical Data 202P7 CRT Go to cover page 2. Environmental conditions 1. ELECTRICAL SPECIFICATION 2.1. Operating 1.1. CRT 5 to 35 °C -Temperature Type NR. : M51QEQ991X001 (SDI DFT) -Humidity : 10 to 90 % (w/o condensation) Dimensions : 21" AG Pitch : 0.25mm -Altitude...

  • Page 4: Installations

    Description of the On Screen Display What is the On Screen Display? This is a feature in all philips monitors which allows an end-user to adjust screen performance of monitors directly through an on screen instruction on window. The user interface provides user-friendliness and ease-of-use when operating the monitor.

  • Page 5: Electrical Instructions

    Electrical Instructions 202P7 CRT Go to cover page 3.1.2 Set VG2 (screen) to fully anti-clockwise (zero beam current). General point 3.1.3 To apply a 69KHz/85Hz cross hatch signal. 3.1.4 Adjust R3157 (B+) to obtain 230 V +/- 0.5 VDC across C2131. During the alignment and measurement supply a distortion free AC-mains voltage to the apparatus via an isolating transformer H-deflection supply voltage adjustment...
  • Page 6 Electrical Instructions 202P7 CRT Go to cover page 7.2.1 Moving the OSD cursor to any one of R/G/B (BAIS), CPU One test circuit should be added to up high the EHT voltage software will set brightness control at 50% and contrast at during the adjustment: minimum position when OSD cursor stays at BAIS items.
  • Page 7 Electrical Instructions 202P7 CRT Go to cover page 70.0~73.0 1125*900 @ 76.0 adjustment for Smart mode color once it finished the 6500° K 73.0~76.0 1600*1200 @ 60.0 from 7.2.1 to 7.5.2 .CAA re-adjusts the 5500° K & 9300° K 76.0~80.6 1152*864 @ 85.0 then adjusts 4000°...
  • Page 8 Electrical Instructions 202P7 CRT Go to cover page timing table No. 18 into preload mode timing table No. 17 Factory timing modes table and 16. Timing Horizon Vertic Resolution Remark 8.2.18 Copy the alignment result DAC values of inspection mode table timing table No.

  • Page 9: Mechanical Instructions

    Mechanical Instructions 202P7 CRT Go to cover page 0. General Screws To be able to perform measurements and repairs on the "circuit boards", these unit should placed in the service position first. 1. Remove the rear cover in Fig. 1 and Fig. 5. Fig.1 -Remove 4 screws as shown -Remove pedestal as shown Fig.1...
  • Page 10 Mechanical Instructions 202P7 CRT Go to cover page Fig. 7 4. Main panel with Bottom Tray -Remove 4 screws for disconnect the Bottom tray as Fig. 8. -Remove the bottom tray on press right and left side clip from fig. 8 to fig. 9. 5.

  • Page 11: Troubleshooting

    Troubleshooting 202P7 CRT Go to cover page The following table lists possible common problems, and the recommended resolution. Having this Check these items problem? · No picture Make sure the Power cable is plugged into the power outlet and back of the monitor. ·...

  • Page 12: Osd Adjustments

    OSD Adjustments 202P7 CRT Go to cover page 1) Press the button the monitor. The MAIN CONTROLS window The OSD Controls appears. LANGUAGE should be highlighted. BRIGHTNESS To adjust your screen's brightness, follow the steps below. Brightness 2) Press the button again.
  • Page 13 OSD Adjustments (Continued) 202P7 CRT Go to cover page Smart Help After returning to MAIN CONTROLS..To continue to ZOOM, press the button until ZOOM is highlighted. Next, follow steps 3-5 under ZOOM..To exit completely, press the button. ZOOM ZOOM increase or decrease the size of the images on your screen.
  • Page 14 OSD Adjustments (Continued) 202P7 CRT Go to cover page 4) Press the button. The SIDE CURVE window appears. 4) Press the button to move the image up or down. PINCUSHION should be highlighted. 5) When the position is adjusted, press the button to return to MAIN CONTROLS window, or press the button to highlight...
  • Page 15 OSD Adjustments (Continued) 202P7 CRT Go to cover page 8) To adjust the PARALLELOGRAM, press the button. 9) When the parallelogram is adjusted, press the button to return to the ADJUST SHAPE window. BACK TO MAIN CONTROLS window will be highlighted. 10) Press the button to return to the MAIN CONTROLS window, or press the...
  • Page 16 OSD Adjustments (Continued) 202P7 CRT Go to cover page 7) When the rotation is adjusted, press the button to return to the ADJUST SHAPE window. BACK TO MAIN CONTROLS should be highlighted. 8) Press the button to return to MAIN CONTROLS. 4) Press the button to highlight 9300K for GENERAL USE.
  • Page 17 OSD Adjustments (Continued) 202P7 CRT Go to cover page start with step 3 underRESET TO FACTORY SETTINGS..to exit completely, press the button. RESET TO FACTORY SETTINGS RESET TO FACTORY SETTINGS returns everything in all the windows to factory presets. 1) Press the button on the monitor.
  • Page 18 OSD Adjustments (Continued) 202P7 CRT Go to cover page 8) When the vertical moire is adjusted, press the button to return to the EXTRA CONTROLS window. BACK TO MAIN CONTROLS will be highlighted. Smart Help After returning to MAIN CONTROLS..To exit completely, press the button.
  • Page 19 OSD Adjustments (Continued) 202P7 CRT Go to cover page together (converge) then you may see unwanted red, green, or blue 8) To adjust the vertical convergence, press the button. lines or dots. To adjust the convergence, follow the steps below. Note: Use only if necessary.
  • Page 20 OSD Adjustments (Continued) 202P7 CRT Go to cover page 6) Press the button, to adjust NS PURITY and optimalize the purity performance. 7) When adjustment finished, press the button to return to the EXTRA CONTROLS window.BACK TO MAIN CONTROLS is highlighted.

  • Page 21: Osd Adjustments

    OSD Adjustments (Continued) 202P7 CRT Go to cover page 4. Using : to select OSD menu. 5. Using : to increase or decrease the setting. 6. Using : to access/confirm the selection. To leave factory mode 7. After alignment of factory mode, turn off monitor(if you do not run off monitor, the OSD menu is always at the factory mode), then turn on monitor again (at this moment, the OSD menu goes back to user mode.)

  • Page 22: Osd Tree

    OSD Tree 202P7 CRT Go to cover page The OSD Tree Below is an overall view of the structure of the On-Screen Display. You can use this as reference when you want to later on work your way around the different adjustments.

  • Page 23: Ddc Instructions

    DDC Instructions 202P7 CRT Go to cover page General DDC Data Re-programming In case the DDC data memory IC or main EEPROM which storage all factory settings were replaced due to a defect, the serial numbers have to be re-programmed"Analog DDC IC, & EEPROM". It is advised to re-soldered DDC IC and main EEPROM from the old Pin assignment board onto the new board if circuit board have been replaced, in this case...
  • Page 24 DDC Instructions 202P7 CRT Go to cover page Note 1: If the connection is improper, you will see the following error Step 3: Installation of EDID46.EXE message (as shown in Fig. 7) before entering the main menu. Meanwhile, the (read EDID) function will be disable. At this Method 1: Start on DDC program time, please make sure all cables are connected correctly and fixedly, and the procedure has been performed properly.
  • Page 25 DDC Instructions 202P7 CRT Go to cover page 2. Select the DDC2Bi as the communication channel. As shown in Fig. 11. Fig. 11 3. Click OK button to confirm your selection. Fig. 14 4. Click icon (Read EDID function) to read DDC EDID data from Click Next , bring up Fig.
  • Page 26 DDC Instructions 202P7 CRT Go to cover page Click Next , bring up Fig. 20. Click Next , bring up Fig. 17. Fig. 20 Click Next , bring up Fig. 21. Fig. 17 - Click Finish to exit the Step window. - Serial number can be filled up at this moment (for example, Click Next , bring up Fig.
  • Page 27 DDC Instructions 202P7 CRT Go to cover page Step 6: Save DDC data 2. Access Factory Mode Sometimes, you may need to save DDC data as a text file for using 1). Turn off monitor(don't turn off PC) in other IC chip. To save DDC data, follow the steps below: 2).

  • Page 28: Ddc Data

    Established Timings II : 800 x 600 @72Hz (VESA) Monitor Descriptor #3 800 x 600 @75Hz (VESA) Monitor Name : PHILIPS 202P7 832 x 624 @75Hz (Apple,Mac II) 1024 x 768 @60Hz (VESA) Monitor Descriptor #4 1024 x 768 @70Hz (VESA)
  • Page 29 DDC DATA 202P7 CRT Go to cover page ********************************************************************** EDID data (128 bytes) ********************************************************************** 0: 00 1: ff 2: ff 3: ff 4: ff 5: ff 6: ff 7: 00 8: 41 9: 0c 10: 1a 11: 00 12: 40 13: e2 14: 01 15: 00 16: 14 17: 0f 18: 01 19: 03 20: 6e 21: 29 22: 1e 23: c3 24: e9 25: cc 26: 98 27: a0 28: 54 29: 47 30: 99 31: 25 32: 0f 33: 48 34: 4c 35: ad 36: ef 37: 80 38: d1 39: 59...

  • Page 30: Repair Flow Chart

    Repair Flow Chart 202P7 CRT Go to cover page A. Power Supply Failure 1. Symptom: Check 5131 Check 7121 Pin3 Check 5131 No startup sound Pin1=105V 100V<Pin8<380V Pin6=103V LED light off Check 1102/6101/ 2103 Check 7144 Check 7145 PinB>0.5V PinB=4.9V PinC=3.7V Turn power off 2.
  • Page 31 Repair Flow Chart (Continued) 202P7 CRT Go to cover page Rough check for R, G, B B. Video 1. Video input=0.7V Repair Flow 2. 7701 Video output=3.4V 3. Video output>35V Check 1. Symptom: R, G, B output (with white pattern) Check Check hearter Check...
  • Page 32 Repair Flow Chart (Continued) 202P7 CRT Go to cover page C. Horizontal deflection output repair flow: 1. Symptom: Check Hsync Check Hsync Check Hsync without 7501 base 7421 Pin8 7502 base H-deflection Check Hsync Check Hsync Replace 5156 Check 210V 7421 Pin15 7673 drain Refer 7421 check list...
  • Page 33 Repair Flow Chart (Continued) 202P7 CRT Go to cover page Basic check D. Vertical Deflection Failure +15V/-15V Symptom: Check one horizontal line Check 7421 Pin 12, 13 V-size is abnormal 7567 P1,7 ramp too large/small exist? Replace 7421 Check 3571,3572...
  • Page 34 Repair Flow Chart (Continued) 202P7 CRT Go to cover page Check CPU Pin6=5V E. CPU (7301) Basic check Pin8/Pin9=12MHz check List Pin7=GND Check output 2 Raster_Shify =1.2V Check output 3 ABL_C =2.9V Check output 4 H_LIN =2.1V Check output 5 RESET =4.6V check S1-S6 15~10...
  • Page 35 Repair Flow Chart (Continued) 202P7 CRT Go to cover page To H-deflection 18 H_UNLOCK 7462 base To H-deflection 19 MUTE 7466 base To Control Board 20 OFF Check 22 Degauss active=hi no active=low Check key Power, OK, LF, 23 KEY_ADC Brightness and Contrast keys Check Pin56 1.
  • Page 36 Repair Flow Chart (Continued) 202P7 CRT Go to cover page 27 SUSPEND To Control Board 28 SYNC_SEL Check 7404 Check Sync. 1. Normal Hsync-in=Pin40 40, 41, 34, 33 Fhout=Fhin Vsync-in=Pin41 Hsync/Vsync Fvout=Fvin Hsync-out=Pin34 Vsync-out=Pin33 Check output 38 Rotation from 0V to 5V...

  • Page 37: Wiring Diagram

    Wiring Diagram 202P7 CRT Go to cover page...

  • Page 38: Block Diagram

    202P7 CRT Block Diagram Go to cover page Function Block of P72 202P7 21" Signal Pre-Amp Restor Post-Amp Selector & TDA4887 FSM CRT D-SUB LM2412 (discret Switch Auto AN5870K Calibrat WT6805 NS Purity Rotatio correction EHT Gen LM358 L5990A DDC SDA/SCL WT61P4K42 Cs SW WT62P2...

  • Page 39: Main Diagram & C.b

    Main Schematic Diagram 202P7 CRT Go to cover page 2.9V 5.1V 4.3V 5.1V 0.8V 0.6V 0.2V 0.7V 0.7V 0.7V 4.0V 4.9V 6.2V 4.9V 2.2V 64.9V 8.4V 65.4V 64.7V 2.2V 4.9V 2.4V 2.5V 4.3V 64.9V 170V 6.9V 0.2V 0.1V 1.9V 1.2V 3.8V 2.5V 4.9V...
  • Page 40 202P7 CRT Main Schematic Diagram Go to cover page 224V 224V 101V...
  • Page 41 Main Board C.B.A.-1 202P7 CRT Go to cover page...
  • Page 42 202P7 CRT Main Board C.B.A.-2 Go to cover page...

  • Page 43: Video Diagram & C.b

    Video Schematic Diagram 202P7 CRT Go to cover page 4.2V 59.5V 4.8V 51.9V 3.4V 41.1V 0.7V 4.6V 3.7V 45.4V 4.7V 45.9V 3.4V 7.9V 1.2V 4.8V 4.8V 1.0V 3.6V...
  • Page 44 202P7 CRT Video Board C.B.A.-1 Go to cover page...
  • Page 45 Video Board C.B.A.-2 202P7 CRT Go to cover page...

  • Page 46: Terminal Diagram & C.b

    202P7 CRT TERMINAL Schematic Diagram Go to cover page 2.8V 6.2V 2.8V 6.2V 2.8V 2.3V 2.8V 6.2V 2.8V 4.9V 1.8V 2.8V 2.4V 4.3V 4.8V 4.3V 4.8V...
  • Page 47 TERMINAL Board C.B.A.-1 202P7 CRT Go to cover page...
  • Page 48 202P7 CRT TERMINAL Board C.B.A.-2 Go to cover page...

  • Page 49: Drive Diagram & C.b

    Driver Schematic Diagram 202P7 CRT Go to cover page 2.4V 2.5V 0.2V 2.4V 0.2V 4.9V 2.2V 2.4V 2.4V 2.4V 2.3V 2.4V 2.1V 2.5V 2.5V 2.5V 0.2V 2.5V 0.2V 0.1V 0.2V...
  • Page 50 202P7 CRT Driver Board C.B.A. Go to cover page...

  • Page 51: Key Control Diagram & C.b

    KEY CONTROL Schematic Diagram&C.B.A. 202P7 CRT Go to cover page...

  • Page 52: Mhr Diagram & C.b

    202P7 CRT MHR Schematic Diagram&C.B.A. Go to cover page...

  • Page 53: Waveform Diagram

    WAVEFORM 202P7 CRT Go to cover page A1 7701-5 A7 7701-19 A13 1711-8 B7 7421-6 B13 7423-E B1 7404-1 A2 7701-6 A8 7701-22 A14 1711-11 B2 7404-2 B8 7421-8 B14 7567-3 A3 7701-8 A9 7705-1 A15 7781-5 B9 7421-14 B15 7567-5 B3 7404-12 A4 7701-10 A10 7705-3...
  • Page 54 202P7 CRT WAVEFORM(Continuted) Go to cover page B43 7651-1 B25 5545-3 B31 7301-3 B37 7301-34 B19 5501-4 C1 1101-1 B32 7301-4 B44 7651-10 B26 5543-9 B38 7301-37 C2 5101-3 B20 7502-C B27 5543-12 B33 7301-8 B45 5671-1 B39 7301-38 C3 5101-4 B21 5503-2 B28 7542-E B34 7301-9...
  • Page 55 WAVEFORM(Continuted) 202P7 CRT Go to cover page C7 5130-7 C13 5131-9 D1 7204-1 D7 7204-35 D13 7204-41 D8 7204-36 C8 5130-8 D2 7204-2 C9 5130-12 D3 7204-3 D9 7204-37 C10 5130-13 D4 7204-8 D10 7204-38 C11 5130-15 D5 7204-9 D11 7204-39 C12 5130-18 D6 7204-27 D12 7204-40...
  • Page 56 202P7 CRT WAVEFORM(Continuted) Go to cover page E1 7001-3 E7 7001-19 E2 7001-7 E8 7001-21 E3 7001-11 E9 7001-25 E4 7001-14 E5 7001-16 E6 7001-18...

  • Page 57: Exploded View

    Exploded View 202P7 CRT Go to cover page...

  • Page 58: Spare Parts List

    Spare Parts List 202P7 CRT Go to cover page Model: 202P70/00 12NC: 8639 000 16171 CRT Panel 2426 225250508205 CER1 DC NP0 50V S 22P PM5 2431 203830250212 CAP MPOL 100V S 100N PM5 1050 823827446721 CRT M51QEQ991X001(TCO/DFT) Mechanical Parts...
  • Page 59 Spare Parts List 202P7 CRT Go to cover page 2672 223891015649 CER2 0805 X7R 25V 100N PM10 3529 212210102201 RST CRB CF1/6 A 10K PM5 3341 212210102201 RST CRB CF1/6 A 10K PM5 2673 225271214316 CERHDT F-Y5R 2KV S 330P PM10 3342 212211600369 RST MFLM MF0207 A 33K PM1...
  • Page 60 Spare Parts List 202P7 CRT Go to cover page 6392 932209863685 DIO SIG SM BAV99 (VISH) 7566 932217440685 TRA SIG SM KRC102S (KEC0) 3672 212020200017 RST FUSE RFU1/3 A 4R7 PM5 6422 933957760673 DIO REC SB140-E3 A (VISH) 7567 931900234682 IC E-STV9379 (ST00) 3673...
  • Page 61 Spare Parts List 202P7 CRT Go to cover page 3766 213811201101 RST SM 0805 RC05 100R PM5 2787 223891015649 CER2 0805 X7R 25V 100N PM10 6724 933952580685 DIO SIG SM BAV103 (VISH) 2788 223891015649 CER2 0805 X7R 25V 100N PM10 3767 213811201101 RST SM 0805 RC05 100R PM5...

  • Page 62: Spare Parts List

    Spare Parts List 202P7 CRT Go to cover page 3268 231291515602 RST MFLM MBB0207 A 5K6 PM1 3011 232273467509 RST SM 0805 RC12H 75R PM1 3269 231291511304 RST MFLM MBB0207 A 130K PM1 3012 232273061471 RST SM 0805 RC11 470R PM5 3013 232273061471 RST SM 0805 RC11 470R PM5...

  • Page 63: Recommended Parts List

    Recommended Parts List 202P7 CRT Go to cover page Recommended Parts List of 202P70/00 313812755241 FRONT CABINET ASSY 313812755261 BACK COVER ASSY 313810798481 PEDESTAL ASSY 313818872531 SHIELD BOTTOM ASSY 313810463051 FRONT CABINET 313810450403 BACK COVER 313810658051 P.E.BAG/ E-D.F.U. 313810663821 CARTON...

  • Page 64: General Product Specification

    . FLAT SQUARE TUBE TO REDUCE LIGHT REFLECTION . POWER MANAGEMENT CAPABILITY . LOW EMISSION TCO 99 / TCO'03 . MOIRE' CANCELLATION . AUTO CALIBRATE FUNCTION . sRGB 21 AUTO SCAN CMTR-P72-202P7 " : 202P70/00 TYPE 8639 000 16171 BRAND : PHILIPS 2005-03-25 C.C. Liao 2005-03-25...
  • Page 65 Color tracking on full white pattern 4.18 Purity 4.19 Moire 4.20 Ringing 4.21 Tapping test 4.22 Distance between two monitors Mechanical characteristics 21 AUTO SCAN CMTR-P72-202P7 " TYPE : 202P70/00 8639 000 16171 BRAND : PHILIPS 2005-03-25 C.C. Liao 2005-03-25...
  • Page 66 This specification describes a 21" high resolution digitally controlled auto scan color monitor with max. resolution up to 2048x1536/80Hz non-interlaced. 2.0 PRODUCT PROFILE This display monitor unit is a complete color display monitor enclosed in PHILIPS global styling cabinet which has an integrated tilt and swivel base. 2.1 CRT : M51QEQ991X001 (SDI / TCO / DFT) Type NR.
  • Page 67 Length : 1.8 m +/- 50 mm (detachable) Connector type : 15 pin D-Sub male to 15 pin D-Sub male, blue IBM PS/2 standard (3 rows) with DDC2B pin assignments. 21 AUTO SCAN CMTR-P72-202P7 " TYPE : 202P70/00 8639 000 16171 BRAND : PHILIPS 2005-03-25 C.C. Liao...
  • Page 68 Zoom Adjust horizontal Adjust vertical Adjust shape Adjust color Reset to factory settings Extra Controls Close Main Controls Move selection then "OK" 21 AUTO SCAN CMTR-P72-202P7 " : 202P70/00 TYPE 8639 000 16171 BRAND : PHILIPS 2005-03-25 C.C. Liao 2005-03-25...
  • Page 69 Total factory modes : 36 Preset modes Preload modes : 27 User modes : 16 The 9 preset modes are listed in 4.2, page17. 21 AUTO SCAN CMTR-P72-202P7 " TYPE : 202P70/00 8639 000 16171 BRAND : PHILIPS 2005-03-25 C.C. Liao 2005-03-25...
  • Page 70 S ( ms ) 0.062 0.016 0.020 0.018 SYNC. H/V - / - + /+ - / - + / + POLARITY SEP . SYNC 21 AUTO SCAN CMTR-P72-202P7 " : 202P70/00 TYPE 8639 000 16171 BRAND : PHILIPS 2005-03-25 C.C. Liao 2005-03-25...
  • Page 71 S ( ms ) 0.008 0.014 0.012 0.013 SYNC. H/V + /+ + / + + / + + / + POLARITY SEP . SYNC 21 AUTO SCAN CMTR-P72-202P7 " TYPE : 202P70/00 8639 000 16171 BRAND : PHILIPS 2005-03-25 C.C. Liao 2005-03-25...
  • Page 72 0.01 0.008 0.008 0.154 SYNC. H/V + / + + / + + / + + / + POLARITY SEP . SYNC 21 AUTO SCAN CMTR-P72-202P7 " : 202P70/00 TYPE 8639 000 16171 BRAND : PHILIPS 2005-03-25 C.C. Liao 2005-03-25...
  • Page 73 Compliant with TCO99 / TCO’ 03 power saving requirement EPA energy star requirement E2000 Display identification In accordance with VESA Display Channel Standard and having DDC 2B capability Visual characteristics 21 AUTO SCAN CMTR-P72-202P7 " TYPE : 202P70/00 8639 000 16171 BRAND : PHILIPS 2005-03-25 C.C. Liao 2005-03-25...
  • Page 74 Maximum active video size should be not smaller than mask opening. The mask opening is 406.4 x 304.8 mm. Image centering deviation | A-B | and | C-D | <= 6 mm, please see FIG-2 21 AUTO SCAN CMTR-P72-202P7 " : 202P70/00 TYPE 8639 000 16171 BRAND : PHILIPS 2005-03-25 C.C.
  • Page 75 With an active full area white video input pattern and contrast setting to 100%, no portion of the pattern shall be less than 75 % of the luminance measured at the CRT center. 21 AUTO SCAN CMTR-P72-202P7 " TYPE : 202P70/00 8639 000 16171 BRAND : PHILIPS 2005-03-25 C.C. Liao...
  • Page 76 Apply a full white pattern at 128.5KHz, set horizontal raster symmetrically by raster shift press the OSD button & select "horizontal position" shift the image to the left edge of the raster. the yoke ring should less than 20mm. 21 AUTO SCAN CMTR-P72-202P7 " : 202P70/00 TYPE 8639 000 16171 BRAND : PHILIPS 2005-03-25 C.C.
  • Page 77 CHINA & INDIA CRT Monitor CRT Monitor A. PACKAGING TEST 1.Transportation definition Single transport direction Single transport direction 2.Transportation test (Vibration + drop) 21 AUTO SCAN CMTR-P72-202P7 " TYPE : 202P70/00 8639 000 16171 BRAND : PHILIPS 2005-03-25 C.C. Liao 2005-03-25...
  • Page 78 2.1 acc. To UAN-D636 oper. 30 G, 18 msec, 6 shocks 2.2 acc. To OEM spec. 120 G, <3 ms, 6 shock exclude CRT impurity 21 AUTO SCAN CMTR-P72-202P7 " : 202P70/00 TYPE 8639 000 16171 BRAND : PHILIPS 2005-03-25 C.C. Liao 2005-03-25...
  • Page 79 The serviceability of this monitor must be fulfill the requirement which are prescribed in UAW-0346 and must be checked with the check list UAT-0361. FIG-1 IMAGE DEMENSION 21 AUTO SCAN CMTR-P72-202P7 " TYPE : 202P70/00 8639 000 16171 BRAND : PHILIPS 2005-03-25 C.C. Liao 2005-03-25...
  • Page 80 GENERAL PRODUCT SPECIFICATION 202P7 CRT Go to cover page A-B and C-D < 6mm FIG-2 IMAGE CENTERING FIG-3 IMAGE ROTATION 21 AUTO SCAN CMTR-P72-202P7 " : 202P70/00 TYPE 8639 000 16171 BRAND : PHILIPS 2005-03-25 C.C. Liao 2005-03-25...
  • Page 81 202P7 CRT Go to cover page A = B = C =D =2.5 mm FIG-4 IMAGE GEOMETRY FIG-5 BRIGHTNESS AND CONTRAST MEASUREMENT AREA 21 AUTO SCAN CMTR-P72-202P7 " TYPE : 202P70/00 8639 000 16171 BRAND : PHILIPS 2005-03-25 C.C. Liao 2005-03-25...
  • Page 82 GENERAL PRODUCT SPECIFICATION 202P7 CRT Go to cover page FIG-6 MISCONVERGENCE FIG-7 SYMBOL FORMAT FOR FOCUS CHECK FIG 6 SYMBOL FORMAT FOR FOCOS CHECK 21 AUTO SCAN CMTR-P72-202P7 " : 202P70/00 TYPE 8639 000 16171 BRAND : PHILIPS 2005-03-25 C.C. Liao 2005-03-25...
  • Page 83 GENERAL PRODUCT SPECIFICATION 202P7 CRT Go to cover page SEPARATE SYNC. VIDEO HORIZONTAL VIDEO VERTICAL COMPOSITE SYNC. VIDEO HORIZONTAL FIG-8 TIMING CHART -1 21 AUTO SCAN CMTR-P72-202P7 " TYPE : 202P70/00 8639 000 16171 BRAND : PHILIPS 2005-03-25 C.C. Liao 2005-03-25...
  • Page 84 202P7 CRT Go to cover page VIDEO VERTICAL COMPOSITE SYNC. & VIDEO ( SYNC. ON GREEN ) HORIZONTAL VERTICAL FIG-9 TIMING CHART -2 21 AUTO SCAN CMTR-P72-202P7 " : 202P70/00 TYPE 8639 000 16171 BRAND : PHILIPS 2005-03-25 C.C. Liao 2005-03-25...

  • Page 85: Color Adjustments

    Color Adjustments 202P7 CRT Go to cover page White Balance Adjustment 12. Press buttons to adjust the monitors. Alignment procedure 13. Factory preset color mode (B) X (center) = 0.283 ± 0.013 for 9300 °K 1. Turn on 202P7 CRT monitor. Y (center) = 0.297 ±...

  • Page 86: Repair Tips

    Repair Tips IBM C190 Plum Go to cover page 0. Warning Preferably be equipped with a thermal control (soldering temperature: 225 degree V to 250 degree C. -The chip, once removed, must never be reused. All ICs and many other semi-conductors are susceptible to electrostatic discharges (ESD).

  • Page 87: Safety Test Requirements

    Safety Test Requirements 202P7 CRT Go to cover page 3. Equipments and Connection All units that are returned for service or repair must pass the original manufactures safety tests. Safety testing requires both testing. Hipot Ground Continuity 3.1. Equipments For example : HI-POT TEST INSTRUCTION - ChenHwa 9032 PROGRAMMABLE AUTO SAFETY TESTER...

  • Page 88: Warning And Notes

    Waring and Notes 202P7 CRT Go to cover page Warnings Notes . Safety regulations require that the unit should be returned The direct voltages and waveforms are average voltages. in its original condition and that components identical to They have been measured using the Service test software the original components are used.

  • Page 89: Different Parts List

    Different Parts List 202P7 CRT Go to cover page Diversity of 202P73/27 compared with 202P70/00 0076 313810321241 INSULATING PLATE 0076 313810133222 BRACKET-MHR Item 12NC Description 0077 313810134252 FRONT SHIELDING 863900016175 202P73/27 0079 313810321731 INSULATING PLATE (16X31) 0001 313812755251 FRONT CABINET ASSY...
  • Page 90 4. When the HV circuitry is operating properly there is no possibility of an x- tube must be the same type as the original, including suffix letter, or a Philips radiation problem. High voltage should always be kept at the approved type.

This manual is also suitable for:

202p75/97202p73/27202p75/93202p75/75

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