HP MX704 Series Service Manual
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HP MX704 Series Service Manual

HP MX704 Series Service Manual

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SERVICE MANUAL

REV
DATE
A00
Jan-16-04
A01
Feb-08-04
A02
Jul-27-05

COLOR MONITOR

HP MX704 Series
41AP773-HP-E49
Ver:A01
Date: Feb-08-04
DESCRIPTION
NEW VERSION RELEASE
Update BOM
Update BOM
APPROVALS
Table of Contents
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Summary of Contents for HP MX704 Series

  • Page 1: Service Manual

    SERVICE MANUAL COLOR MONITOR HP MX704 Series 41AP773-HP-E49 Ver:A01 Date: Feb-08-04 DATE DESCRIPTION APPROVALS Jan-16-04 NEW VERSION RELEASE Feb-08-04 Update BOM Jul-27-05 Update BOM...
  • Page 2 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.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS 1. SPECIFICATIONS ..................... 2. PRECAUTION AND NOTICES ................SAFETY PRECAUTIONS ................PRODUCT SAFETY NOTICE ............... SERVICE NOTES ................... HIGH VOLTAGE WARNING ............... 3. OPERATING INSTRUCTIONS ................4. ADJUSTMENT ......................ADJUSTMENT CONDITIONS AND PRECAUTIONS ....... MAIN ADJUSTMENTS ................. ADJUSTMENT METHOD ................

  • Page 4: Specifications

    1. SPECIFICATIONS FOR HP MX704 SERIES COLOR MONITOR 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,...
  • Page 5 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. Key FOS spec. Measurement Item Conditions Spec B-50 % C→MAX Image size W=312±4 mm H=234 ±4 mm B-50 % C→MAX HOR.|a-b|≦4.0mm...

  • Page 6: Precaution 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: High Voltage Warning

    HIGH VOLTAGE WARNING Operation of monitor outside of cabinet or with back removed may cause a serious shock hazard. Work on this model should only be performed by those who are thoroughly familiar with precautions necessary when working on high voltage equipment. Exercise care when servicing this chassis with power applied.

  • 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 NO.
  • Page 10 (The OSD menu for factory preset FOR WT CPU) 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...
  • Page 11 USER OSD HORIZONTAL LOCATION 9300 COLOR TEMPERATURE ADJUST USER OSD VERTICAL LOCATION 6500 COLOR TEMPERATURE ADJUST FACTORY OSD VERTICAL LOCATION 5500 COLOR TEMPERATURE ADJUST V-MOIRE REDUCE Max H-Frequency select D. To switches the input signal to the other Timing Mode. Please follow step A ~ C to get the optimum picture.(H/V-size:312*234mm) E.
  • 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

    5-3 TRANSISTOR & DIODE CIRCUIT LOCATION CIRCUIT FUNCTION DESCRIPTION BD901 Bridge Rectifier for AC Source D910 Clamp Diode for snub CKT D918, D919 Rectifier for Output Voltage D922 Rectifier for Output Voltage D923 Rectifier for Output Voltage D925 Rectifier for B+ Supply D929 B+ Feed Back Rectifier from F.B.T Pulse IC901,Q901...

  • 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 SUPPLY57.0V,13.6V,80V 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 23~25KV 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: Parts List Of Cabinet

    POWER CORD 95C 91205749 WIRE HARNESS 95C205R 3012B COPPER BRAID 95C2070554 WIRE B1C1035 10 47 SCREW D1C1140 8128 SCREW4.0X8 Q1C 340 16 47 SCREW Q1C1030 10128 SCRIW 705A 78 HP CN SPEAKER 705A773ZP33HPQ KEY BOARD ASS'Y 750A1697504JRG DEG COIL 0.41*90TS...
  • Page 24 PARTS LIST OF KEY BOARD LOCATION CMP773Z2NHPQ SPECIFICATION MAIN BOARD ASS'Y AMP773Z2NHPQ CKP773Z2NHPQ CRT BOARD ASS’Y AMP773Z2NHPQ MAIN BOARD P773Z-2HPQ CRP773Z2NHPQ CRT BOARD P773Z-2HPQ 1C 421 4128 SCREW 15C5640 1 A GND LUG 19C 555 1 CLIP 40C 581624 2B CHASSIS LABEL 71C 100 2 S CORE 8*16*12...
  • Page 25 LOCATION CMP773Z2NHPQ SPECIFICATION P901 33C3278 2 2P PLUG B2B-XHA/JST PR901 61C 52459 3G PTCR 4.5OHM +-20% 220V Q440 57C 767 2 STA524A Q907 57C 728 3 HSB772P/E Q909 57C 728 3 HSB772P/E Q923 57C 498 1 T BF423 R183 93A 3951752T TZX6V2C R426 61C153M180 59...
  • Page 26 LOCATION CMP773Z2NHPQ SPECIFICATION C114 65C 444101 5T 100 PF 10% 50V Y5P C130 65C 44210113T 100PF +-5% NPO 50V C146 67C 305100 7T 10UF +-20% 50V C160 65C 444101 5T 100 PF 10% 50V Y5P C161 65C 442471 9T 470PF 50V C162 65C 44410213T 1000PF +-10% Y5P 50V...
  • Page 27 LOCATION CMP773Z2NHPQ SPECIFICATION C713 67C 30522912T 2.2UF +-20% 250V C720 65C 1K102 5T 1NF/1KV Y5P+-10% C740 67C 30510915T 1UF +-20% 450V C741 65C 444331 5T 330PF 10% 50V C743 67C 309100 7T 10UF +-20% 50V C908 65C 450104 7T 0.1UF +80-20% 50V Y5V C909 67C 305100 7T 10UF +-20% 50V...
  • Page 28 LOCATION AMP773Z2NHPQ SPECIFICATION D471 93A 5247P52T 1N4004 D601 93A 5247P52T 1N4004 D602 93A 64 1152T DIODE 1N4148 D603 93A 64 1152T DIODE 1N4148 D704 93A 5212T52T RECTIFIER DIODE 1N4007 D706 93C 6044T52T RECTIFIER DIODE FR157S D721 95C 90 23 JUMPER D735 93A 64 1152T DIODE 1N4148...
  • Page 29 LOCATION AMP773Z2NHPQ SPECIFICATION J034 95C 90 23 JUMPER J035 95C 90 23 JUMPER J036 95C 90 23 JUMPER J038 95C 90 23 JUMPER J039 95C 90 23 JUMPER J040 95C 90 23 JUMPER J041 95C 90 23 JUMPER J042 95C 90 23 JUMPER J043 95C 90 23...
  • Page 30 LOCATION AMP773Z2NHPQ SPECIFICATION J096 95C 90 23 JUMPER J098 95C 90 23 JUMPER 95C 90 23 JUMPER J101 95C 90 23 JUMPER J109 95C 90 23 JUMPER J111 95C 90 23 JUMPER J113 95C 90 23 JUMPER J116 95C 90 23 JUMPER J117 95C 90 23...
  • Page 31 LOCATION AMP773Z2NHPQ SPECIFICATION Q401 57C 419 P T TRAN 2SC945P/NEC TAPIN Q402 57C 731 1A T 2SK2962 Q404 57C 420502 T 2SA733P Q405 57C 420502 T 2SA733P Q410 57C 521 1 T 2SD667ACTZ-E Q419 57C 419503 T 2SC945P Q705 57C 498 1 T BF423 Q735 57C 498 1 T...
  • Page 32 LOCATION AMP773Z2NHPQ SPECIFICATION R402 61C 17230252T CFR 3KOHM+-5% 1/4W R403 61C 60210152T CFR 100 OHM+-5% 1/6W R404 61C 60210152T CFR 100 OHM+-5% 1/6W R405 61C 60210152T CFR 100 OHM+-5% 1/6W R406 61C 60210152T CFR 100 OHM+-5% 1/6W R410 61C 60210352T CFR 10K OHM+-5% 1/6W R411 61C 60218252T...
  • Page 33 LOCATION AMP773Z2NHPQ SPECIFICATION R602 61C 17239252T CFR 3.9K OHM +-5% 1/4W R603 61C 17212352T CFR 12K OHM +-5% 1/4W R604 61C 20056252T MFR 5.6KOHM+-1% 1/4W R605 61C175L15952T CFR 1.5 OHM +-5% 1/2W R606 61C175L15152T CFR 150 OHM+-5% 1/2W R609 61C 20010452T 100KOHM 1/4W R610 61C 17212452T...
  • Page 34 LOCATION AMP773Z2NHPQ SPECIFICATION R928 61A212Y82352T MGFR 82K OHM +-5% 1/2W R930 61C 17210252T CFR 1KOHM +-5% 1/4W R931 61C 20010952T MFR 1OHM+-1% 1/4W R932 61A212Y18452T MGFR 180K OHM +-5% 1/2 R933 61C 60210252T CFR 1K OHM+-5% 1/6W R934 61C 60212252T CFR 1.2K OHM+-5% 1/6W R937 61C 17215152T...
  • Page 35 PARTS LIST OF CRT PC BOARD LOCATION CRP773Z2NHPQ SPECIFICATION ARP773Z2NH CRT BOARD P773Z-2HPQ 40C 45762412B LABEL 87C3504 ZW CRT COCKET(QQ FOCUS) 705A773ZR5601H IC802 ASS'Y 705A773ZR85 1H SHIELD ASS'Y C828 64C178J104 2T .1UF 250V C829 67C 305470 9 47UF +-20% 100V C833 65C 2Z103 4B 0.01UF +80%-20% 2K Z5V...
  • Page 36 LOCATION ARP773Z2NHPQ SPECIFICATION C823 65C 4501047TV 0.1UF +80-20% 50V C824 65C 4501047TV 0.1UF +80-20% 50V C830 65C 1K101 5T 100PF/1KV Y5P+-10% C831 65C517M103 3T 10NF 500V C834 65C 450103 3T 0.01UF +80-20% 50V C835 65C 2K102 5T 1000PF/2KV C837 65C 1K102 5T 1NF/1KV Y5P+-10% C840 65C 1K101 5T...
  • Page 37 LOCATION ARP773Z2NHPQ SPECIFICATION FB803 71C 55 9 T CORE RF BEAD RH 3.5X6X FB850 71C 55 9 T CORE RF BEAD RH 3.5X6X J801 71C 55 9 T CORE RF BEAD RH 3.5X6X J802 95C 90 23 JUMPER J803 95C 90 23 JUMPER J809 71C 55 9 T...
  • Page 38 PARTS LIST OF IC802 ASS'Y LOCATION PARTS SPECIFICATION 2C6003 1 SCREW NUT 90C6026 12 HEAT SINK M1C1730 8128 SCREW M3x8 IC802 56C 551 11 LM2466TA PARTS LIST OF IC601 ASS'Y LOCATION PARTS SPECIFICATION 5C 71 1 TRANSISTOR HOUSING 32C3028504 MICA 90C 376 1 HEAT SINK M1C1730 12128...
  • Page 39 PARTS LIST OF AC ASS'Y LOCATION PARTS SPECIFICATION 15C5659503 REAR BRACKET B1C1140 6128 SCREW PARTS LIST OF SHIED ASS'Y LOCATION PARTS SPECIFICATION 85C6083 1 SHIELD 85C6084 1 SHIELD M1C1030 5128 SCREW PARTS LIST OF AC SOCKET ASS'Y LOCATION PARTS SPECIFICATION 87C 501 6 AC SOCKET CN901...
  • Page 40 PARTS LIST OF CRT ALTERNATION LOCATION PARTS SPECIFICATION 750A5X182AV CPT 17" RF 0.13 P1 CRT C450 65C 1K221 5T 220PF/1KV Y5P+-10% C480 65C 1K101 5T 100PF/1KV Y5P+-10% R490 61C 21025352T MFR 25KOHM +-1% 1/6W TP403 95C201M 5014D WIRE HARNESS PARTS LIST OF CRT ALTERNATION LOCATION PARTS SPECIFICATION...

  • Page 41: Block Diagram

    8. BLOCK DIAGRAM...

  • Page 42: Block Diagram

    BLOCK DIAGRAM (SMPS)

  • Page 43: Ic Block Diagram

    IC BLOCK DIAGRAM IC101 IC104 UM6861/WT62P1 74LS14 DAC2 VSYNC1/INTV DAC1 HSYNC1 DAC0 DAC3 RESET_ DAC4 DAC5 DAC6 OSC0 DAC7 OSC1 P07/HSYNC0 P06/VSYNC0 [CE]P14 P05/DAC13 P13/HALFH1 P04/DAC12 P12/HALFH0 P03/DAC11 P11/AD1 P02/DAC10 P10/AD0 P01/DAC9 P16/INTE P00/DAC8 P31/SCL P30/SDA...
  • Page 44 IC401(STV6888) IC803 LM2480NA...

  • Page 49: Pcb Layout

    11. PCB LAYOUT STB-PWR SW101 SW102 SW103 MENU DOWN LED1 R183 R129 R181 R405 LED3 R182 J051 LED4 R406 R180 R128 J128 J165 R127 C133 C106 R140 J021 IC401 D438 SW901 R119 C403 J014 J022 C405 R919 C132 J033 C406 R141 L101...
  • Page 50 11. PCB LAYOUT 1. Video Board...
  • Page 51 12 SCHEMATIC DIAGRA 12.1 CPU&Deflction Control Circuit CMPC-P773Z-2-HPQ H802A 715A910-*-HPQ D130 C169 D153 D152 1N5817 100P 6.2V 6.2V 93A1002-1P-52T R111 R110 1/4W 1/4W H802B H-OUT J156 V-OUT D131 R172 C104 C103 93A1002-1P-52T 100UF R132 C607 J155 C160 C163 68UF R615 100PF 100PF IC101...
  • Page 52 0.18 1/4W D413 250V R435 220K JUMPER R410 400V FR107 C402 100K 6.3V 1/4W 1/4W 1/4W 3300 C720 L405 C483 73A253-68-HP 220UF TP701 Q705 D735 R715 R434 57A498-1-T R490 BF423 R441 1N4148 C422 D721 C462 2.2UF ZD701 1/2W Q735 Q404...

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