HP S992X Series Service Manual
  1. Manuals
  2. Brands
  3. HP Manuals
  4. Monitor
  5. S992X Series
  6. Service manual
HP S992X Series Service Manual

HP S992X Series Service Manual

Color monitor
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual

SERVICE MANUAL

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,
MANUFACTURE DATE : Aug.2003

COLOR MONITOR

P/N : S992X-5-01-A
Date : Aug-25-03
Version : A01
S992X Series

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the S992X Series and is the answer not in the manual?

Questions and answers

Related Manuals for HP S992X Series

Summary of Contents for HP S992X Series

  • Page 1: Service Manual

    SERVICE MANUAL COLOR MONITOR S992X Series P/N : S992X-5-01-A Date : Aug-25-03 Version : A01 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...

  • Page 2: Table Of Contents

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

  • Page 3: Monitor Specifications

    1. Monitor Specifications CRT : 46CM(19") 90 Deflection, 29mm Neck, flat 0.26mm Dot Pitch, Non-Glare Screen Viewable image Size: 45.7CM (18") diagonal Display Color: Unlimited Colors External Controls: Power On/Off, OSD key, Function knob: Contrast, Brightness, H-Size, H-Center, V-Size, V-Center, ZOOM, Pincushion, Trapezoid, Pin-Balance, Parallelogram, Rotation, Moire Reduce, Recall, Degaussing, Color Temperature, Volume.
  • Page 4 11. Power Source: Switching Mode Power Supply AC 100 ~240V, 50/60Hz Universal Type 12. Operating Temperature: 0°C to 40°C Ambient 13. Humidity : 10% to 85% Relative, Non-Condensing Weight: 20.0 Kg (Net), 23.6Kg (Gross) for 9Glr • Dimensions Monitor: Carton: 575(W) ×...

  • Page 5: Precaution And Notices

    2. Precautions And Notices 2-1 Safety Precautions 1. Observe all caution and safety related notes located inside the display cabinet. 2. 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 6: 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 7: Operating Instructions

    3. Operating Instructions This procedure gives you instructions for installing and using the 9G 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 8: 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 9 CONTRAST H-MOIRE REDUCE BRIGHTNESS V-MOIRE REDUCE H-CENTER R-GAIN H-SIZE G-GAIN V-CENTER B-GAIN V-SIZE R-BIAS ZOOM G-BIAS PINCUSHION R-BIAS 9300 TRAPEZOID COLOR TEMPERATURE 6500 PIN-BALANCE COLOR TEMPERATURE PARALLELOGRAM DEGAUSS ROTATION OSD EXIT CORNER RETURN MODE SHOOSE MAX-SIZE MODIFY V-LINEARITY V-LINEARITY TOP CORNER BOTTOM CORNER...
  • Page 10 3. White Balance, Luminance adjustment: A. Bias (Low Luminance) adjustment: (a) Set mode 5 1024 x 768 Fh: 68.7KHz full white pattern. (b) To make the adjustment condition is under the Factory preset window. Same as step 2-C. (c) Warm up more than 30 minutes. (d) Brightness set to maximum.
  • Page 11 Relative Placement Of Typical Components Purity Magnets 6-pole Convergence Magnets 4-pole Convergence Magnets Deflection Yoke 6. Convergence adjustment A. Produce a magenta crosshatch on the display. B. Adjust the focus for the best overall focus on the display. Also adjust the brightness to the desired condition. C.

  • Page 12: Circuit Description

    5. Circuit Description 5-1 Micro Controller Circuit MICRO Controller The IC101 contains a 6502 8-bit CPU core, 256 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 13 Vertical Oscillator The vertical free –running frequency is determined by the capacitor C604 at pin 2 and resistor R608 at pin20. Usually the free-running frequency should be lower than the minimum trigger frequency. 5-3 Transistor & Diode Circuit Location Function Al Description D101 For C102 Discharge D405...

  • Page 14: Trouble Shooting Chart

    6.Trouble Shooting Chart 6-1 No Raster, CRT Relative Circuit Problems CHECK MAIN PCB POWER SUPPLY CHECK MAIN PCB POWER SUPPLY 61.8V,14.5V,80V 60.5V, 14.5V, 80V CHECK POWER SAVING CIRCUIT, H-SYNC, V-SYNC SIGNAL CHECK THE HIGE VOLTAGE CHECK THE HIGE VOLTAGE OF CRT ABOUT 25.5~27.5KV REFER ITEM S.M.P.S.
  • Page 15 2.Abnormal Video Level On Screen CHECK THE VOLTAGE OF IC801 7,15.18,21 ABOUT 12V PIN 6, 9, 22 ABOUT 12V CHECK 12V RELATIVE CIRCUIT CHECK THE SIGNAL INPUT OF R.G.B. ABOUT 0.7Vpp CHECK SIGNAL CABLE OR INTERFACE CARD. CHECK IC801 PIN 15 CLAMP PULSE PIN 16 BLANK PULSE CHECK THE IC105 RELATIVE CIRCUIT OR IC401 PIN 16 OUTPUT...

  • Page 16: Abnormal Display

    6-2 Abnormal Display 1.No Signal On Screen CHECK VIDEO IC801 VCC ABOUT 12V CHECK THE 12V PIN OF P802 CONNECTOR CHECK THE OUTPUT VOLTAGE OF IC801 PIN 18, 20, 23 ABOUT 3Vpp 16,19,22 CHECK THE RELATIVE CIRCUIT OF IC801 CHECK THE B+ VOLTAGE OF VIDEO PCB ABOUT 80V CHECK THE 80V RELATIVE CIRCUIT OF SMPS ON MAIN PCB...

  • Page 17: No Blanking

    6-3 No Blanking CHECK THE RELATIVE CIRCUIT OF BLANKING CHECK THE RELATIVE CIRCUIT OF C433, D410, R635, R636, IC105 ON MAIN PCB CHECK IC801 PIN 16 ON VIDEO PCB, CHECK G1 RELATIVE CIRCUIT Q705, R718, C707 ON MAIN PCB 6-4 Hor./Osc/Def/Hv Circuit Fault 1.

  • Page 18: Abnormal Horizontal Deflection

    6-5 Abnormal Horizontal Deflection 1.Abnormal Horizontal Width Of Video READJUST H-WIDTH FUNCTION CHECK THE RELATIVE CIRCUIT OF Q404, Q405, & Q406 CHECK FBT B+ VOLTAGE ABOUT 60.5V AT FH=31KHz 137V CHECK THE RELATIVE CIRCUIT OF SMPS. Q911, Q912, Q914, Q915 & IC401 PIN 4, 5, 6, VR 902 CHECK THE HV OF CRT ABOUT 26KV...

  • Page 19: Abnormal Vertical Scanning

    6-6 Abnormal Vertical Scanning 1. Abnormal Vertical Size READJUST V-SIZE FUNCTION READJUST V-SIZE FUNCTION VALUE VALUE CHECK THE IC601 PIN 6 CHECK THE IC601 PIN 7 ABOUT 40V ABOUT 12V CHECK D601, R616 & SMPS CHECK ZD601, ZD602 R626 & SMPS RELATIVE CIRCUIT RELATIVE CIRCUIT CHECK VERT.

  • Page 20: Poor Focus

    6-8 Poor Focus READJUST FOCUS CONTROL CHECK FOCUS CONTROL UNIT, FOCUS LEAD WIRE, CRT SOCKET & CRT 6-9 No Sound (For Audio Model Only) CHECK IC501 ADJUST VOLUME CONTROL PIN 14 ABOUT 14V CHECK POWER SUPPLY CIRCUIT ENSURE THE SOUND SOURCE IS POWER ON CHECK IC501 IC501 FAILURE...

  • Page 21: Power Supply Trouble Shooting Chart

    6-10 Power Supply Trouble Shooting Chart BEFORE CHECK SW.REG. PLEASE REFER TO THE POWER SUPPLY BLOCK DIAGRAM POWER SUPPLY OUTPUT: (A) VARIABLE OUTPUT : 60.5V - 145V (DEPENDING EPENDING UPON H.SYNC FREQUENCY) CONSTANT OUTPUT : 6.3V, 14.5V, 55V, 80V BEAD SET ABNORMAL VARIABLE OUTPUT MAKE SURE THAT CHECK AC LINE...

  • Page 22: Ic Block Diagrams

    7. IC Block Diagram IC101:NT68P65 IC102:24C08 IC901:STR-G8656D...
  • Page 23 IC401:UPC1888ECT...
  • Page 24 IC804 NT6828-00023 IC801:LM1269NA...
  • Page 25 IC902 MC33260 PIN CONNECTIONS Feedback Input MC33260 Gate Drive YYWW control Oscillator Capacitor(C Synchronization Current Sense Input Input IC803:LM2480NA IC904:PC123...
  • Page 26 IC601 STV9302A +O/P +I/P -I/P...

  • Page 28: Pcb Layout

    8 PCB Layout 8-1 Main PCB Layout COM IN...
  • Page 29 8-2 CRT Board J811 C840 FB807 C832 C854 IC803 Q803 L851 C824 J801 J805 IC802 J809 C823 C858 C817 C851 FB810 R860 R842 R855 C821 D857 C859 FB808 R857 C857 D856 C820 Q802 R841 SG801 J810 R843 GND2 R840 C828 C825 C875 C856...

  • Page 30: Schematic Diagram

    9. Schematic Diagram P202 P201 715A861-XX CMPC S992W-5 R231 R223 R473 D803 R820 715A868-* C802 IC801 P801 1N4148 FB808 FB802 LM1269NA C815 R857 C840 JUMPER R807 R821 C817 0.01 R805 22UF 1/4W 100V R OSD 100V C830 R808 FLYBACK R819 +12V R802 C808...

  • Page 31: Mechanical Of Cabinet Front Dis-Assembly

    10. Mechanical Of Cabinet Front Dis-Assembly S992-5...

  • Page 32: Bom List

    11. BOM List S992XLQOH9N5H Location Part Number Description 001C6008 1 SCREW 005C 38 8 RUBBER WASHER 011C 112500 WIRE MOUNT 012C 399 1 RUBBER PAD 019C 403 7 STEEL 033C4374 EY 2T LOGO COVER 033C4535 EZ T POWER KNOB 033C4536 1 POWER LENS 033C4537 A5 T KEY PAD...
  • Page 33 AKS992X3NHCP KEY BOARD FOR S992X-3NHCP R105 061C 60227252T CFR 2.7K OHM+-5% 1/6W R106 061C 60239252T CFR 3.9K OHM+-5% 1/6W R104 061C 60256252T CFR 5.6KOHM+-5% 1/6W 715C1011 1 KEPC CMS992X3NHCJ CHASSIS FOR S992X-5HP 001C 421 4120 SCREW 011C6033 1 PCB SUPPORT 015C5640 1 A GND LUG GND-PIN2...
  • Page 34 SG401 062C 10 2 JT SPARK GAP 200V +-20% JINTAN SG701 062C 10 16 J SPARK GAP 1KV +500-100V JINTAN C901 063C107K105 US 1UF,275VAC, X2 , K C471 063C210J1042BC 0.1UF/250V C442 063C210J2043CC .2UF/400V +-5% C465 063C210J2228CK MPSA 2.2NF +-5% 2KV C435 063C210J3042CC 0.3UF/250V...
  • Page 35 T403 079A 792 7LAG T404 079C 167112 HA DRIVER TRANSFORMER T401 079C 167114 HC DRIVE X'FMR T405 079C 167123 L TRANSFORMER T901 080A 992 3T5G TRANSFORMER D419 093A306050152T 31GF6 D420 093A306050152T 31GF6 X101 093C 2243A H 12MHZ/30PF/49U D104 093C 6021052T 1N5819 D421 093C1060 652T...
  • Page 36 705A992XC5705C Q428 ASS'Y Q428 057C 724 4 2SK2996 090C 275501 A HEAT SINK 0M1C1730 8120 SCR SUSTOM SEMS CRST CUP PAN 705A992XC84 1H F901 ASS'Y F901 084A 41 4 FUSE 4A 250V LF-215 004 F901 084C 33 10 FUSE CLIP 705A992XC9301C BD901 ASS'Y 090C6038501...
  • Page 37 J085 095C 90 23 JUMPER J086 095C 90 23 JUMPER J087 095C 90 23 JUMPER J088 095C 90 23 JUMPER J089 095C 90 23 JUMPER J090 095C 90 23 JUMPER J093 095C 90 23 JUMPER J094 095C 90 23 JUMPER J095 095C 90 23 JUMPER...
  • Page 38 J023 095C 90 23 JUMPER J024 095C 90 23 JUMPER J025 095C 90 23 JUMPER J027 095C 90 23 JUMPER J028 095C 90 23 JUMPER J029 095C 90 23 JUMPER J030 095C 90 23 JUMPER J031 095C 90 23 JUMPER J032 095C 90 23 JUMPER...
  • Page 39 J050 095C 90 23 JUMPER J049 095C 90 23 JUMPER J048 095C 90 23 JUMPER J047 095C 90 23 JUMPER R415 061C 17210052T CFR 10OHM+-5% 1/4W R451 061C 17210152T CFR 100OHM+-5% 1/4W R462 061C 17210152T CFR 100OHM+-5% 1/4W R463 061C 17210152T CFR 100OHM+-5% 1/4W R464 061C 17210152T...
  • Page 40 R425 061C 21020352T MFR 20K OHM +- 1% 1/6W R421 061C 21022352T MFR 22K OHM +- 1% 1/6W R490 061C 21024352T MFR 24K OHM +- 1% 1/6W R487 061C 21033352T MFR 33K OHM +- 1% 1/6W R603 061C 21047352T MFR 47K OHM +- 1% 1/6W R706 061C 21051352T MFR 51KOHM +-1% 1/6W...
  • Page 41 R625 061C 60233052T CFR 33 OHM +-5% 1/6W R122 061C 60233352T CFR 33K OHM+-5% 1/6W R121 061C 60247252T CFR 4.7K OHM+-5% 1/6W R129 061C 60247252T CFR 4.7K OHM+-5% 1/6W R130 061C 60247252T CFR 4.7K OHM+-5% 1/6W R148 061C 60247252T CFR 4.7K OHM+-5% 1/6W R149 061C 60247252T CFR 4.7K OHM+-5% 1/6W...
  • Page 42 ZD105 093C 39 5252T HZ5C2-E ZD104 093C 39 5252T HZ5C2-E ZD101 093C 39 7352T HZ6B1-E ZD701 093C 39 8052T HZ9C1-E ZD404 093C 3950452T HZ3B2-E ZD903 093C 3952252T TZX20B R450 093C 3952952T HZ2B2-E ZD402 093C 3954952T HZ16-1-E D920 093C 52 1P52T 1N4005 D431 093C 5212T52T...
  • Page 43 Q908 057C 419 PP T 2PC945 Q906 057C 419 PP T 2PC945 Q401 057C 419503 T 2SC945P Q403 057C 419503 T 2SC945P Q411 057C 419503 T 2SC945P Q621 057C 419503 T 2SC945P Q707 057C 419503 T 2SC945P Q902 057C 419503 T 2SC945P Q402 057C 420 P T...
  • Page 44 C130 065C 444103 5T6213 0.01 UF 10% 50V Y5P C706 065C 44410313T6213 10000PF +-10% Z5P 50V C611 065C 444152 5T6213 1500PF 10% Y5P 50V C414 065C 444152 5T6213 1500PF 10% Y5P 50V C207 065C 444152 5T6213 1500PF 10% Y5P 50V C615 065C 444331 5T6213 330PF 10% 50V...
  • Page 45 C457 067C 309330 3T 33UF +-20% 16V C121 067C 309330 3T 33UF +-20% 16V C458 067C 309470 3T 47UF +-20% 16V C103 067C 309470 3T 47UF +-20% 16V C401 067C 309471 3T 470UF +-20% 16V C606 067C 309471 3T 470UF +-20% 16V C936 067C 309471 3T 470UF +-20% 16V...
  • Page 46 R860 061C 17210252T CFR 1KOHM +-5% 1/4W R862 061C 17210252T CFR 1KOHM +-5% 1/4W R861 061C 17210252T CFR 1KOHM +-5% 1/4W R859 061C 17210552T CFR 1MOHM +-5% 1/4W R858 061C 17210552T CFR 1MOHM +-5% 1/4W R857 061C 17210552T CFR 1MOHM +-5% 1/4W R854 061C 17222052T CFR 22OHM+-5% 1/4W...
  • Page 47 L802 073C 5422810T 0.22UH +-10% L801 073C 5422810T 0.22UH +-10% L852 073C 5433810T 0.33UH +-10% L851 073C 5433810T 0.33UH +-10% ZD801 093C 39 7752T HZ5C1-E D801 093C 64 1152T IN4148 D802 093C 64 1152T IN4148 D803 093C 64 1152T IN4148 D804 093C 64 1152T IN4148...
  • Page 48 C871 067C 309101 3T 100UF +-20% 16V C805 067C 309101 3T 100UF +-20% 16V C816 067C 309101 3T 100UF +-20% 16V C809 067C 309109 7T 1.0UF +-20% 50V C807 067C 309109 7T 1.0UF +-20% 50V C806 067C 309109 7T 1.0UF +-20% 50V C832 067C 309109 9T 1UF +-20% 100V...

Table of Contents