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HP V7650 Series Service Manual

Color monitor
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SERVICE MANUAL

COLOR MONITOR

HP V7650 Series
THESE DOCUMENTS ARE FOR REPAIR SERVICE INFORMATION ONLY.
EVERY REASONABLE EFFORT HAS BEEN MADE TO ENSURE THE ACCURACY OF
THIS MANUAL; WE CANNOT GUARANTEE THE ACCURACY OF THIS INFORMATION
AFTER THE DATE OF PUBLICATION AND DISCLAIMS LIABILITY FOR CHANGES,
ERRORS OR OMISSIONS.

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Summary of Contents for HP V7650 Series

  • Page 1: Service Manual

    SERVICE MANUAL COLOR MONITOR HP V7650 Series THESE DOCUMENTS ARE FOR REPAIR SERVICE INFORMATION ONLY. EVERY REASONABLE EFFORT HAS BEEN MADE TO ENSURE THE ACCURACY OF THIS MANUAL; WE CANNOT GUARANTEE THE ACCURACY OF THIS INFORMATION AFTER THE DATE OF PUBLICATION AND DISCLAIMS LIABILITY FOR CHANGES,...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Page TABLE OF CONTENTS………………………………………………………………………... REVISION LIST…………………………………………………………………………………. SPECIFICATIONS ....................PRECAUTION AND NOTICES ................SAFETY PRECAUTIONS ................PRODUCT SAFETY NOTICE ............... SERVICE NOTES ..................HIGH VOLTAGE WARNING ............... OPERATING INSTRUCTIONS ................ADJUSTMENT ......................ADJUSTMENT CONDITIONS AND PRECAUTIONS ....... MAIN ADJUSTMENTS ................. ADJUSTMENT METHOD ................

  • Page 3: Revision List

    REVISION LIST REVISION DATE REVISION HISTORY TPV MODEL NOV.- 23-2005 FIRST VERSION RELEASE; DEC.-12-05 UPDATE BOM P784BVCCHPN2P...

  • Page 4: Monitor Specifications

    1. MONITOR SPECIFICATIONS CRT : 43.2CM(17") 90 Deflection, 29mm Neck, 0.27mm Dot Pitch, Pure Flat, Non-Glare Screen Viewable image Size: 40.6CM (16") diagonal Display Color: Unlimited Colors External Controls: Power On/Off, Power led, Function knob( Contrast, Brightness, H-Center, H-Size, V-Center, V-Size, Rotation, Pincushion, Trapezoid, Pin-Balance, Parallelogram, Color Temperature, Degaussing, Recall, Exit, Input Video Signal...
  • Page 5 Power Source: Switching Mode Power Supply AC 90 ~265V, 50/60Hz Universal Type 10. Operating Temperature: 10°C to 35°C Ambient 11. Humidity: 20% to 80% Relative, Non-Condensing 12. External Connection: 15 Pin D-type Connector AC Power Cord 13. Regulations:UL, CSA, FDA, FCC, TÜV/GS, CE, MPR-II,TCO,CCC 14.

  • Page 6: Precautions And Notices

    2. PRECAUTIONS AND NOTICES SAFETY PRECAUTIONS Observe all caution and safety related notes located inside the display cabinet. Operation of the display with the cover removed, may cause a serious shock hazard from the display power supply. Work on the display should not be attempted by anyone who is not thoroughly familiar with precautions necessary when working on high voltage equipment.

  • Page 7: Product Safety Notice

    PRODUCT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety visual inspections and the protection afforded by them cannot necessarily be obtained by using replacement components rated for higher voltage, wattage, etc. Before replacing any of these components read the parts list in this manual carefully.

  • Page 8: Operating Instructions

    3. OPERATING INSTRUCTIONS This procedure gives you instructions for installing and using the Color display. Position the display on the desired operation and plug the power cord into a convenient AC outlet. Three-wire power cord must be shielded and is provided as a safety precaution as it connects the chassis and cabinet to the electrical conduit ground.

  • Page 9: Adjustment

    4. ADJUSTMENT 4-1 ADJUSTMENT CONDITIONS AND PRECAUTIONS Approximately 30 minutes should be allowed for warm up before proceeding. Adjustments should be undertaken only on those necessary elements since most of them have been carefully preset at the factory. 4-2 MAIN ADJUSTMENTS FUNCTION LOCATION DESIGNATION...
  • Page 10 H-SIZE H-MOIRE REDUCE H-CENTER MOIRE DISABLE V-SIZE NO USE V-CENTER NO USE PINCUSHION NO USE PARALLELOGRAM V-LINEARITY PIN-BALANCE V-LINEARITY TRAPEZOID TOP CORNER ROTATION BOT CORNER NO USE NO USE CONTRAST MAX-HSIZE MODIFY BRIGHTNESS MAX-VSIZE MODIFY R-BIAS MAX-TRAPEZOID MODIFY G-BIAS BI SELECT FUNCTION R-BIAS DEGAUSS R-GAIN...
  • Page 11 3. White Balance, Luminance adjustment: A. Bias (Raster) adjustment: (a) Set mode8 1024×768 @85Hz full white pattern(100% white field). (b) To make the adjustment condition is under the Factory preset OSD menu. Same as step 2-B. (c) Warm up more than 20 minutes. (d) Put the probe in the middle of screen, Brightness set to maximum.
  • Page 12 5. Purity Adjustment A. Be sure that the display is not being exposed to any external magnetic fields. B. Ensure that the spacing between the Purity, Convergence, Magnet, (PCM), assembly and the CRT stem is 29mm. (See below diagram) C. Produce a complete, red pattern on the display. Adjust the purity magnet rings on the PCM assembly to obtain a complete field of the color red.

  • Page 13: Circuit Description

    5. CIRCUIT DESCRIPTION 5-1 MICRO CONTROLLER CIRCUIT MICRO Controller The IC101 contains a 6502/8051 8-bit CPU core, 512 bytes of RAM, 16K bytes of ROM,14 channel 8 bit PWM D/A converters, 2 channel A/D converters for key detection, one 8 bit pre-loadable base timer, internal H-sync and V-sync signals processor providing mode detection, watch- dog timer preventing system from abnormal operation, and an I²C bus interface.

  • Page 14: Transistor & Diode Circuit

    X-ray Protection The X-ray protection input pin25 provides a voltage detector with a precise threshold. If the voltage exceeds this threshold for a certain time, an internal latch switches the whole IC into protection mode. In this mode several pins are forced into defined states: Pin28 (BDRV) is floating Pin26 (HDRV) is floating Vertical Oscillator...

  • Page 15: Trouble Shooting Chart

    6.TROUBLE SHOOTING CHART 6-1 NO RASTER, CRT RELATIVE CIRCUIT PROBLEMS CHECK MAIN PCB POWER CHECK MAIN PCB POWER SUPPLY SUPPLY 47.0V,13V 53V, 14V, 78V CHECK POWER SAVING CIRCUIT, H-SYNC, V-SYNC SIGNAL Q909, Q910 CHECK THE HIGE VOLTAGE OF CHECK THE HIGE VOLTAGE CRT ABOUT 23~24KV REFER ITEM S.M.P.S.
  • Page 16 2.ABNORMAL VIDEO LEVEL ON SCREEN 3. ABNORMAL DDC (PLUG & PLAY)

  • Page 17: Abnormal Display

    6-2 ABNORMAL DISPLAY 1.NO SIGNAL ON SCREEN...

  • Page 18: No Blanking

    6-3 NO BLANKING 6-4 HOR./OSC/DEF/HV CIRCUIT FAULT 1. NO RASTER (DISCONNECT WITH SIGNAL CABLE)

  • Page 19: Abnormal Horizontal Deflection

    6-5 ABNORMAL HORIZONTAL DEFLECTION 1. ABNORMAL HORIZONTAL WIDTH OF VIDEO 2. ABNORMAL HORIZONTAL VIDEO CENTER CHECK IC401 PIN 4, 7 RELATIVE CIRCUIT 3. ABNORMAL HORIZONTAL LINEARITY...

  • Page 20: Abnormal Vertical Scanning

    6-6 ABNORMAL VERTICAL SCANNING 1. ABNORMAL VERTICAL SIZE 2. VERTICAL CENTER READJUST V-CENTER CHECK IC401 AND IC601 RELATIVE CKT 6-7 SIDE-PIN CUSHION DISTORTION READJUST SIDEPIN CHECK IC401, Q404, Q405, Q406 RELATIVE CKT. 6-8 POOR FOCUS READJUST FOCUS CONTROL CHECK FOCUS CONTROL UNIT, FOCUS LEAD WIRE, CRT SOCKET &...

  • Page 21: Power Supply Trouble Shooting Chart

    6-9 POWER SUPPLY TROUBLE SHOOTING CHART BEFORE CHECK SW.REG. PLEASE REFER TO THE POWER SUPPLY BLOCK DIAGRAM POWER SUPPLY OUTPUT: (A) VARIABLE OUTPUT : 65V ~ 165V (DEPENDING EPENDING UPON H.SYNC FREQUENCY) CONSTANT OUTPUT : 6.3V, 14V, -12V, 80V...

  • Page 22: Mechanical Of Cabinet Front Dis-Assembly

    7. MECHANICAL OF CABINET FRONT DIS-ASSEMBLY...

  • Page 23: Bom List

    8.BOM LIST P784BVCCHPN2 Location Part Number Description Quantity 001C 503504 47 SCREW FOR CRT 4.000 005C 38 8 RUBBER WASHER 2.000 005C600604075S CRT WASHER 2.000 007C 7 7100 COMPOUND PALLET 1.000 007C 7 7101 COMPOUND PALLET 1.000 011C 112 1 WIRE MONNTS 1.000 011C 115500...
  • Page 24 CMP784B2NHPQ CHASSIS FOR P784B-2HPQ 110V 1.000 Q33C6179 EZ A 27 POWER KNOB 1.000 040C 58162435A MANUAL P/N LABEL 1.000 041C680069018E DOC KIT(372040-375) 1.000 041C680069031A QUICK SET UP GUIDE(368238-B21) 1.000 E089B 089C174B5TR CG SIGNAL CABLE 1.000 095C2070588 WIRE HARNESS 1.000 001C 421 4128 SCREW 2.000 GND2...
  • Page 25 C414 067C 305100 12 10UF +-20% 250V 1.000 C936 067C 305102 4 1000UF +-20% 25V 1.000 C405 067C 309102 3 1000UF +-20% 16V 1.000 85℃ 1000UF +-20% 25V C939 067C 309102 4 1.000 85℃ 1000UF +-20% 25V C432 067C 309102 4 1.000 C436 067C 309470 9...
  • Page 26 705A784BC5701H Q403 ASS'Y 1.000 705A784BC5703H Q911 ASS'Y 1.000 705A784BC6101H NR901 ASS'Y 1.000 705A784BC84 1H F901 ASS'Y 1.000 705A784BC8701H AC SOCKET ASS'Y 1.000 705A784BC9301H D919 ASS'Y 1.000 705C784PC15 02 AC ASS'Y 1.000 E750A 750A5715784MVH 17" CPT MPRII ASS'Y 1.000 AMP784B2NHPQ MAIN BOARD P784B-2HPQ 1.000 CRP784B2NHPQ CRT BOARD P784B-2HPQ...
  • Page 27 006C 31502 BRASS 10.000 715C 910 3 5 CMPC 1.000 J111 095C 90 23 JUMPER 1.000 J110 095C 90 23 JUMPER 1.000 J109 095C 90 23 JUMPER 1.000 095C 90 23 JUMPER 1.000 J098 095C 90 23 JUMPER 1.000 J116 095C 90 23 JUMPER 1.000...
  • Page 28 R459 095C 90 23 JUMPER 1.000 R480 095C 90 23 JUMPER 1.000 R496 095C 90 23 JUMPER 1.000 R497 095C 90 23 JUMPER 1.000 R618 095C 90 23 JUMPER 1.000 R750 095C 90 23 JUMPER 1.000 R911 095C 90 23 JUMPER 1.000 R913...
  • Page 29 FB403 095C 90 23 JUMPER 1.000 FB405 095C 90 23 JUMPER 1.000 FB903 095C 90 23 JUMPER 1.000 FB905 095C 90 23 JUMPER 1.000 FB907 095C 90 23 JUMPER 1.000 FB908 095C 90 23 JUMPER 1.000 J003 095C 90 23 JUMPER 1.000 J004...
  • Page 30 C410 061C 58450 UT NTCR 45OHM+-15%3100K UPPERMOST 1.000 R110 061C 17210052T CFR 10OHM+-5% 1/4W 1.000 R965 061C 17210052T CFR 10OHM+-5% 1/4W 1.000 R475 061C 17210052T CFR 10OHM+-5% 1/4W 1.000 R424 061C 17210052T CFR 10OHM+-5% 1/4W 1.000 R111 061C 17210052T CFR 10OHM+-5% 1/4W 1.000 R421 061C 17210052T...
  • Page 31 R439 061C 17251352T CFR 51K OHM +-5% 1/4W 1.000 R460 061C 17251352T CFR 51K OHM +-5% 1/4W 1.000 R473 061C 17251352T CFR 51K OHM +-5% 1/4W 1.000 R114 061C 17262252T CFR 6.2K OHM +-5% 1/4W 1.000 R431 061C 17262252T CFR 6.2K OHM +-5% 1/4W 1.000 R734 061C 17268352T...
  • Page 32 R123 061C 60222252T CFR 2.2K OHM +-5% 1/6W 1.000 R125 061C 60222252T CFR 2.2K OHM +-5% 1/6W 1.000 R135 061C 60222252T CFR 2.2K OHM +-5% 1/6W 1.000 R141 061C 60222252T CFR 2.2K OHM +-5% 1/6W 1.000 R150 061C 60222252T CFR 2.2K OHM +-5% 1/6W 1.000 R156 061C 60222252T...
  • Page 33 R427 061C175L22052T CFR 22 OHM +-5% 1/2W 1.000 R981 061C175L22052T CFR 22 OHM +-5% 1/2W 1.000 R179 061C175L33152T CFR 330 OHM +-5% 1/2W 1.000 R901 061C175L47452T CFR 470K OHM +-5% 1/2W 1.000 R740 061C175L56352T CFR 56K OHM +-5% 1/2W 1.000 R741 061C175L56352T CFR 56K OHM +-5% 1/2W...
  • Page 34 D604 093C 64 1152T IN4148 1.000 D735 093C 64 1152T IN4148 1.000 D905 093C 64 1152T IN4148 1.000 D916 093C 64 1152T IN4148 1.000 D939 093C 64 1152T IN4148 1.000 D933 093C 64 1152T IN4148 1.000 D926 093C 64 1152T IN4148 1.000 D104...
  • Page 35 C703 064C178J333 1T CL21X 0.033UF 100V +-5% 1.000 C417 064C178J334 1T C121X 0.33UF 100V +-5% 1.000 C604 064C178J334 1T C121X 0.33UF 100V +-5% 1.000 C710 064C178J823 1T CL21X 0.082UF 100V +-5% 1.000 C409 064C700J1020AT PEN 0.001UF/50V +-5% 1.000 C945 064C700J1040AT 0.1uF/50V +-5% 1.000 C941...
  • Page 36 C916 067C 305220 7T 22UF +-20% 50V 1.000 C483 067C 305221 3T 220UF +-20% 16V 1.000 C713 067C 30522912T 2.2UF +-20% 250V 1.000 C743 067C 309100 7T 10UF +-20% 50V 1.000 C467 067C 309100 7T 10UF +-20% 50V 1.000 C958 067C 309101 3T 100UF +-20% 16V 1.000...
  • Page 37 C426 063C210J3342CC .33UF +-5% 250V FOR CAMEL 1.000 C428 063C210J8242CU 0.82uF +-5% 250V (PMH) 1.000 L401 073C 147527 TE LINEARITY COIL 1.000 C450 095C 90 23 JUMPER 1.000 C480 095C 90 23 JUMPER 1.000 16"负 PULSE TP403 095C201F 50162 1.000 002C6003 1 SCREW NUT 2.000...
  • Page 38 R825 061C 60220352T CFR 20K OHM+-5% 1/6W 1.000 R804 061C 60233052T CFR 33 OHM +-5% 1/6W 1.000 R805 061C 60233052T CFR 33 OHM +-5% 1/6W 1.000 R806 061C 60233052T CFR 33 OHM +-5% 1/6W 1.000 R830 061C 60239252T CFR 3.9K OHM+-5% 1/6W 1.000 R820 061C 60247252T...
  • Page 39 C836 065C 44212013T 12PF J NPO 50V 1.000 C837 065C 44212013T 12PF J NPO 50V 1.000 C838 065C 44212013T 12PF J NPO 50V 1.000 C817 065C 44215013T 15PF 5% AUTO INSERT 1.000 C818 065C 44215013T 15PF 5% AUTO INSERT 1.000 C819 065C 44215013T 15PF 5% AUTO INSERT...

  • Page 40: Block Diagram

    9. BLOCK DIAGRAM...
  • Page 41 BLOCK DIAGRAM (SMPS)

  • Page 42: Ic Block Diagrams

    IC BLOCK DIAGRAM IC101 V-I/P Degauss H-I/P RESET Rota. OscO OscI H-out Iscl V-out Isda Pm1/Pm2 KEYA KEYB SENSE Dscl mute B+ Dsda VR NC HR NC mute g1 IC101 NT6865...
  • Page 43 IC401(STV9118) IC803 LM2480NA...

  • Page 46: Pcb Layout

    11. PCB LAYOUT 11.1 Main Board...
  • Page 47 11.2 Video Board...

  • Page 48: Schematic Diagram

    12. SCHEMATIC DIAGRA Dscl Dsda P784B-2HPQ CMPC 715A910-*-5 Z D 1 0 5 R418 4.7K 1/4W D130 P803 D152 D153 TZX5V1B IN5817 TZX5V1B TZX5V1B C104 R111 10 1/4W R157 2.2K C162 100uF/25V C434 R417 R416 Dscl R132 12K 1/6W 2.4K 1/4W Dsda R110 1000/50V...
  • Page 49 PR901 RY901 61A52 27 4J 77A 260 5 3 PTCR 9 C950 L906 R981 220pF/1KV TP902 D939 22 1/2W 600uH R986 73A 253 88 HB 1N4148 10M 1/2W R982 FB907 D925 Q913 JUMPER RG4S C482 10K 1/4W T901 D919 FB905 47uF/200V R983 2PC945...
  • Page 50 P784B-2HPQ CRPC 715A992-*-HPQ R826 C829 C830 C860 R857 R820 IC801 R821 47uF 100P 1KV 1M 1/4W C813 0.1U 250V D850 100pF 50V 100V LM1237 BDKE FB807 BAV21 D856 C808 C856 56A 366515 BAV20 JUMPER C804 0.08 10pF 50V C809 0.1uF/100V 0.74 C853 V_FB...
  • Page 51 V-OUT D603 IC601 C601 R747 STV9302A 1N4148 　 574501 R613 56K 1/2W 0.1U 50V ZD601 R616 R601 1K 1/4W R741 R749 10K 1/4W R746 D741 VREF TZX5V1B C740 56K 1/2W 100K 1/4W R612 D740 1M 1/2W UF4004 1uF/450V R608 UF4004 R740 C615 D602...

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