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HP D8911A, Service Manual

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HP D8911A Service Manual Download Page 20

21 

6-6  ABNORMAL VERTICAL SCANNING 

 
 

1. ABNORMAL VERTICAL SIZE 

 

OK

NG

OK

NG

READJUST V-SIZE FUNCTION VALUE

RELATIVE CIRCUIT

CHECK VERT. OSC CIRCUIT

RELATIVE CIRCUIT

NG

CHECK THE IC601 PIN 7 ABOUT 40V

CHECK IC601 PIN 6 OUTPUT ABOUT

38Vpp

CHECK ZD601, ZD602 R626 & SMPS

CHECK IC401 PIN 22, 23, 24

CHECK IC401 PIN 12, 13

 

 
 

2. VERTICAL CENTER 

 

NG

READJUST V-CENTER

CHECK IC101 PIN 9, 10

IC401 PIN 18, 19

 

 
 
 

6-7 SIDE-PIN CUSHION DISTORTION 

 
 

NG

READJUST SIDEPIN

CHECK IC401, Q404, Q405, Q406

RELATIVE CKT.

 

 
 

Summary of Contents for D8911A

Page 1: ... SERVICE MANUAL COLOR MONITOR HP D8911A ...

Page 2: ...0 5 CIRCUIT DESCRIPTION 11 6 TROUBLE SHOOTING CHART 15 6 1 NO RASTER CRT RELATIVE CIRCUIT PROBLEMS 15 6 2 ABNORMAL DISPLAY 17 6 3 NO BLANKING 18 6 4 HOR OSC DEF HV CIRCUIT FAULT 18 6 5 ABNORMAL HORIZONTAL DEFLECTION 19 6 6 ABNORMAL VERTICAL SCANNING 20 6 7 SIDE PIN CUSHION DISTORTION 20 6 8 POOR FOCUS 20 6 9 POWER SUPPLY TROUBLE SHOOTING CHART 21 7 MECHANICAL OF CABINET FRONT DIS ASSEMBLY 22 8 PAR...

Page 3: ...c TTL Level TTL Level TTL Level TTL Level TTL Level Positive Negative Positive Positive Positive Horizontal 640 H 720 H 800 H 800 H 1024 H Vertical 480 V 400 V 600 V 600 V 768 V Fh kHz 31 47 31 47 46 875 53 67 60 02 Fv Hz 60 70 75 85 75 Mode 6 Mode 7 Mode 8 Mode 9 RGB Analog RGB Analog RGB Analog RGB Analog Horiz Sync TTL Level TTL Level TTL Level TTL Level Positive Positive Positive Positive Vert...

Page 4: ...perature 0 C to 40 C Ambient 13 Humidity 10 to 85 Relative Non Condensing 14 Weight 20 0 Kgs Net 23 8Kgs Gross 15 Dimensions Monitor Carton 574 W 537 H 594 D mm Monitor 460 W 466 H 470 D mm 16 External Connection 15 Pin D type Connector AC Power Cord 17 Regulations TÜV ERGO TÜV GS CE NEMKO TCO 99 ...

Page 5: ...r volt or with more sensitivity in the following manner Connect a 1500 ohms 10 Watt resistor paralleled by a 0 15UF AC type capacitor between a known good earth ground water pipe conduit etc and the exposed metallic parts simultaneously Measure the AC voltage across the combination of 1500 ohms resistor and 0 15UF capacitor c Reverse the AC plug at the AC outlet and repeat AC voltage measurements ...

Page 6: ... It is important to maintain specified values of all components in the horizontal and high voltage circuits and anywhere else in the monitor that could cause a rise in high voltage or operating supply voltages No changes should be made to the original design of the monitor Components shown in the shaded areas on the schematic should be replaced with exact factory replacement parts The use of unaut...

Page 7: ... on the connector to ensure firm grounding The connector information is as follow 15 Pin Color Display Signal Cable PIN NO DESCRIPTION PIN NO DESCRIPTION 1 RED 9 NC 2 GREEN 10 GND 3 BLUE 11 SYNC GND 4 GND 12 SDA 5 GND 13 HORIZ SYNC 6 GND R 14 VERT SYNC VCLK 7 GND G 15 SCL 8 GND B 3 Apply power to the display by turning the power switch to the ON position and allow about thirty seconds for display ...

Page 8: ...hrome 2000 Signal generator or PC equivalent set mode 1 VGA 640X480 pattern 1 0 B Connect a DC Volt meter between TP901 or D922 cathode and ground then adjust VR901 to be 14 5VDC C Connect a DC Volt meter between TP902 or D925 cathode and ground then adjust VR902 to be 60 5 VDC D Connect a DC Volt meter between TP701 G1 and ground Brightness set to max Then adjust VR702 to be 50 VDC 2 Factory pres...

Page 9: ... TRAPEZOID DEGAUSS PIN BALANCE OSD EXIT PARALLELOGRAM RETURN ROTATION Vs LINEAR Vs SUB V SIZE Vc LINEAR Vc SUB V CENTER MENU Key to Quit the OSD window Mean while the new setting data will be saved in the memory E To switches the input signal to the other Timing Mode Please follow step C D to get the optimum picture F Select the RETURN function and press the MENU Key then the Factor Preset window ...

Page 10: ...function to the 9300 K function then press the MENU Key To make the setting data saved in the memory D The adjustment of 6500 K white Balance May follow step A C with the x 313 10 y 329 10 E Full white luminance a Set mode 2 640 X 480 Fh 31 5KHz full white pattern b Image Size H 346 4mm V 260 4mm c Brightness set to raster just cut off and set the contrast to max d Adjust VR701 to the luminance at...

Page 11: ...ed by varying the two tabs together keeping the angle between them constant 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 detectio...

Page 12: ... an extensive set of geometry control facilities Further the IC generates the drive waveforms for DC coupled vertical boosters to the TDA 4866 ref Page 28 Horizontal Oscillator The oscillator is of the relaxation type and requires a capacitor of 10nF C403 at pin 29 The maximum oscillator frequency is determined by a resistor R403 form pin 28 to ground A resistor R402 from pin27 to pin28 defines th...

Page 13: ...Diode Q416 B MUTE D414 D417 D419 Buffer Diode for IC403 D421 D423 Detected for Q406 Q401 B Mute Control Q402 Horizontal Driver Q403 Horizontal Out Put Q404 Q406 A differential Amp for Drive Q405 Q405 DarlingtonTransistor for H Size Control Q407 Horizontal Linearity Correction Control Q410 Q412 Q417 Horizontal S Correction Control Q418 Q420 Horizontal S Correction Control ZD601 ZD602 VF Voltage Div...

Page 14: ...Diode for Trigger CKT D925 Rectifier for B Supply D926 D927 Raster Position Control D939 Clip Diode for Snuffer Pulse ZD901 Protection Diode ZD902 Protection Diode ZD903 Protection Diode Q901 MOS FET for Switching Power Control Q904 Q906 Start up CKT for IC901 Q908 Q916 To Turn 6 3V Supply Off when the Off Mode is Required Q909 Q910 To Turn 14 5V Supply Off when the Off or Suspend Mode is Required...

Page 15: ...E VOLTAGE CHECK THE VOLTAGE OF CRT HEATER ABOUT 6 3V CHECK VOLTAGE OF THE CRT CHECK BRIGHTNESS CIRCUIT OK CHECK POWER SAVING CIRCUIT ABNORMAL DISPLAY H SYNC V SYNC SIGNAL REFER ITEM 8 2 CATHODE ABOUT 60V TO 70V CHECK SCREEN VOLTAGE ABOUT 400V TO 700V OF CRT ABOUT 25 5 26 5KV LESS THAN 300V CHECK FBT CHECK MAIN PCB POWER SUPPLY 60 5V 14 5V 80V CHECK FAILSAFE CKT IC401 PIN 2 RELATIVE CKT Q703 Q706 Q...

Page 16: ...SIGNAL CABLE OR INTERFACE CARD CONTRAST SET MAX OR IC401 PIN 16 OUTPUT CHECK IC801 PIN 13 ABOUT 4V PIN 6 9 22 ABOUT 12V CHECK IC801 PIN 15 CLAMP PULSE PIN 18 20 23 ABOUT 4Vpp CHECK THE IC105 RELATIVE CIRCUIT PIN 16 BLANK PULSE PIN 26 27 28 ABOUT 4V OR CHECK Q801 AND RELATIVE CKT 3 ABNORMAL DDC PLUG PLAY OK NG CHECK IC101 PIN 5 VOLTAGE ABOUT 5V CHECK SIGNAL CABLE OR H802 PIN 3 4 DATA OUTPUT CHECK Q...

Page 17: ...CRT CATHODE ABOUT 40Vpp CHECK THE VOLTAGE OF FBT SCREEN CHECK THE RELATIVE CIRCUIT CHECK THE 12V PIN OF SMPS ON MAIN PCB RELATIVE CIRCUIT OF P802 CONNECTOR ABOUT 400V TO 700V EXCEED 700V OF IC801 CHECK FBT CRT RELATIVE CIRCUIT OR REFER ITEM 7 1 VIDEO PCB ABOUT 80V CHECK THE 80V RELATIVE CIRCUIT CHECK VIDEO IC801 VCC ABOUT 12V OF IC801 PIN 18 20 23 ABOUT 3Vpp CHECKTHE VQ802 Q807 ...

Page 18: ...OSC DEF HV CIRCUIT FAULT 1 NO RASTER DISCONNECT WITH SIGNAL CABLE NG OK OK OK NG NG NG CHECK THE COLLECTOR VOLTAGE CHECK THE COLLECTOR VOLTAGE RELATIVE CIRCUIT RELATIVE CIRCUIT CHECK IC401 PIN 26 31 CHECK Q402 T401 CHECK T401 T402 Q402 Q403 OF Q402 ABOUT 40Vpp OF Q403 ABOUT 1100Vpp AT FH 31KHz D408 C418 C419 H DY CHECK IC401 PIN 10 ABOUT 11 5 VDC CHECK IC401 PIN 8 WAVE FORM ABOUT 10Vpp CHECK IC401...

Page 19: ...ECK THE HV OF CHECK FBT B VOLTAGE Q911 Q912 Q914 Q915 IC401 PIN 4 5 6 VR 902 ABOUT 60 5V AT FH 31KHz CRT ABOUT 26KV 2 ABNORMAL HORIZONTAL RASTER CENTER P403 AND JUMPER CHECK T903 D926 D927 R964 R968 3 ABNORMAL HORIZONTAL VIDEO CENTER CHECK IC101 PIN 9 10 IC401 PIN 18 19 4 ABNORMAL HORIZONTAL LINEARITY CHECK L401 Q407 R447 C448 AND IC101 PIN 20 21 22 23 CS SWITCHER IC403 Q410 Q411 Q420 ...

Page 20: ...CUIT RELATIVE CIRCUIT NG CHECK THE IC601 PIN 7 ABOUT 40V CHECK IC601 PIN 6 OUTPUT ABOUT 38Vpp CHECK ZD601 ZD602 R626 SMPS CHECK IC401 PIN 22 23 24 CHECK IC401 PIN 12 13 2 VERTICAL CENTER NG READJUST V CENTER CHECK IC101 PIN 9 10 IC401 PIN 18 19 6 7 SIDE PIN CUSHION DISTORTION NG READJUST SIDEPIN CHECK IC401 Q404 Q405 Q406 RELATIVE CKT ...

Page 21: ...S LEAD WIRE CRT SOCKET CRT 6 9 NO SOUND FOR AUDIO MODEL ONLY OK OK OK OK NG ENSURE THE SOUND SOURCE IS POWER ON ENSURE THE SOURCE CABLE CONNECTION CHECK POWER CHECK IC501 IC501 FAILURE SPEAKER FAILURE OK SUPPLY CIRCUIT ADJUST VOLUME CONTROL NG CHECK IC501 PIN 14 ABOUT 14V ...

Page 22: ...OK NG NG NG OK OK OK NG OK NG YES NO CHECK BRIDGE RECTIFIED CIRCUIT 6 3V CIRCUIT CHECK START C K T CHECK POWER SAVING C K T OFF MODE CHECK IC401 CHECK D919 CHECK Q911 Q911 FAILURE CHECK Q901 CHECK IC901 CHECK AC LINE VOLT 120V OR 220V CHECK F901 SW901 CHECK LINE RECTIFIED SMOOTHED VOLT CHECK Q901 IC901 FAILURE CHECK T901 O P MAKE SURE THAT THE VARIABLE OK D909 Q904 R922 R925 CHECK Q912 Q914 Q915 P...

Page 23: ...7 MECHANICAL OF CABINET FRONT DIS ASSEMBLY ...

Page 24: ...153 74 2 LABEL 40A 154 14 1 CABINET LABEL 40A 154 501 1 HI POT GND LABEL 40A 581 26 668 SLZ LABEL 40A 581 26 704 LABEL 40A 2029 622 1A ID LABEL 40A 68 508 A CARD 41A 68 615 4A TCO99 CARD 41A 68 622 1B WARRANTY CARD 41A 550 622 1B OWNER S MANUAL 44A 3200 1 EPS CUSHION L 44A 3200 2 EPS CUSHION R 44A 3200 622 1A CARTON 45A 76 28 RN PE BAG 45A 76 34 RN PE BAG 45A 76 502 RN PE BAG 45A 77 3 TRANSPARENT ...

Page 25: ... 5455 995 SDT 19 LG TCO99 CRT ASS Y 750A 5455 995 SET 19 LG TCO CRT ASS Y 750A 5455 995 SIT 19 LG MPRII CRT ASS Y SW102 77A 602 1 HJ TACT SW TSVB 3B SW103 77A 602 1 HJ TACT SW TSVB 3B SW104 77A 602 1 HJ TACT SW TSVB 3B SW105 77A 602 1 HJ TACT SW TSVB 3B AS2 95A 205T 30 072 WIRE ASS Y C411 67A 309 102 3 1000uF 20 16V C414 67A 305 470 9L 47uF 20 100V C415 65A 517K 103 1A 10000PF Z5F 500V C418 63A 21...

Page 26: ...1 84A 33 10 FUSE CLIP FBTF 71A 100 8 S COIL GND1 95A 205 30 082 WIRE GND3 9A 203 8 BRASS PIN GND4 9A 203 8 BRASS PIN H802 95A 8013 9 510 WIRE H803 95A 8013 6 511 WIRE H804 95A 8013 5 511 WIRE H805 95A 8013 7 14 WIRE IC101 56A 1125 50 40PIN IC IC102 56A 1133 14 AT24C08 10PC IC103 56A 1131 5 MTV016N IC105 56A 74LS 14 H 14 PIN IC 74LS14 IC401 56A 552 1 TDA4856 BY PHILIPS IC403 56A 212 2 14P IC LM324N...

Page 27: ...102 61A 124 472 8 8P 4 7K OHM RA103 61A 124 472 8 8P 4 7K OHM RY401 77A 260 5 1 RELAY DC12V RY901 77A 260 5 1 RELAY DC12V SW901 77A 267 12 HJ PUSH SWITCH T401 79A 167 110 HJ DRIVER X FMR T402 79A 785F 1 AH DRIVER X FMR T701 79A 167 112 HJA DRIVER X FMR T901 80A 769 2 HJA POWER X FMR T903 79A 167 111 HJA POWER X FMR TP401 9A 211 2 PIN TP701 9A 211 2 PIN TP901 9A 211 2 PIN TR901 9A 203 9 PIN VR701 7...

Page 28: ...20 50V C427 67A 309 109 7T 1 0uF 20 50V C430 65A 1K 102 5T 1NF 1KV 10 Y5P C432 65A 444 102 5T 1000PF 10 50V Y5P C433 64A 701J 224 0AT 0 22uF 5 50V C434 67A 309 470 4T 47uF 20 25V C435 65A 450 104 7T 0 1uF 80 20 50V C436 65A 450 104 7T 0 1uF 80 20 50V C437 67A 309 109 7T 1 0uF 20 50V C440 65A 450 104 7T 0 1uF 80 20 50V C441 67A 309 109 7T 1 0uF 20 50V C444 65A 442 181 13T 180PF 5 50V NPO C447 67A 3...

Page 29: ...uF 5 50V C959 64A 701J 334 0AT 0 33uF 5 50V CM102 64A 176J 104 0T 0 1uF 5 63V CQ707 67A 309 101 4T 100uF 20 25V D101 93A 64 11 52T DIODE IN4148 D102 61A 602 100 52T 10 OHM 5 1 6W D103 95A 90 23 TIN COATED D104 95A 90 23 TIN COATED D401 95A 90 23 TIN COATED D402 93A 64 19 52T DIODE ISS83 D403 93A 64 11 52T DIODE IN4148 D405 93A 1002 1 52T IN5817 1A 20V D406 93A 1060 6 52T F R D BYV26C D407 93A 60 2...

Page 30: ...D J012 95A 90 23 TIN COATED J014 95A 90 23 TIN COATED J015 95A 90 23 TIN COATED J016 95A 90 23 TIN COATED J017 95A 90 23 TIN COATED J018 95A 90 23 TIN COATED J019 95A 90 23 TIN COATED J020 95A 90 23 TIN COATED J021 95A 90 23 TIN COATED J022 95A 90 23 TIN COATED J023 95A 90 23 TIN COATED J024 61A 602 272 52T 2 7K OHM 5 1 6W J025 61A 602 392 52T 3 9K OHM 5 1 6W J027 95A 90 23 TIN COATED J028 95A 90 ...

Page 31: ...N COATED J079 95A 90 23 TIN COATED J080 95A 90 23 TIN COATED J081 95A 90 23 TIN COATED J082 95A 90 23 TIN COATED J083 95A 90 23 TIN COATED J084 95A 90 23 TIN COATED J085 95A 90 23 TIN COATED J086 95A 90 23 TIN COATED J087 95A 90 23 TIN COATED J088 95A 90 23 TIN COATED J089 95A 90 23 TIN COATED J090 95A 90 23 TIN COATED J091 95A 90 23 TIN COATED J092 95A 90 23 TIN COATED J093 95A 90 23 TIN COATED J...

Page 32: ...D J143 95A 90 23 TIN COATED J144 95A 90 23 TIN COATED J145 95A 90 23 TIN COATED J146 95A 90 23 TIN COATED J148 95A 90 23 TIN COATED J149 95A 90 23 TIN COATED J150 95A 90 23 TIN COATED J151 95A 90 23 TIN COATED J152 95A 90 23 TIN COATED J153 95A 90 23 TIN COATED J154 93A 39 528 52T HZ9A2 J156 95A 90 23 TIN COATED J158 95A 90 23 TIN COATED J163 95A 90 23 TIN COATED J164 95A 90 23 TIN COATED J165 95A...

Page 33: ...1A 602 101 52T 100 OHM 5 1 6W R110 61A 602 472 52T 4 7K OHM 5 1 6W R111 61A 602 222 52T 2 2 OHM 5 1 6W R112 61A 172 101 52T 100 OHM 5 1 4W R113 61A 602 472 52T 4 7K OHM 5 1 6W R117 61A 602 472 52T 4 7K OHM 5 1 6W R118 61A 602 472 52T 4 7K OHM 5 1 6W R119 61A 602 472 52T 4 7K OHM 5 1 6W R120 61A 175L 109 52T 1 OHM 5 1 2W R121 61A 602 102 52T 1K OHM 5 1 6W R124 61A 602 102 52T 1K OHM 5 1 6W R125 61A...

Page 34: ...4W R421 61A 602 100 52T 10 OHM 5 1 6W R422 61A 172 154 52T 150K OHM 5 1 4W R423 61A 602 563 52T 56K OHM 5 1 6W R424 61A 602 100 52T 10 OHM 5 1 6W R425 61A 172 121 52T 120 OHM 5 1 4W R427 61A 175L 220 52T 22 OHM 5 1 2W R429 61A 175L 100 52T 10 OHM 5 1 2W R430 61A 602 472 52T 4 7K OHM 5 1 6W R431 61A 602 222 52T 2 2K OHM 5 1 6W R432 61A 602 223 52T 22K OHM 5 1 6W R433 61A 602 223 52T 22K OHM 5 1 6W ...

Page 35: ...T 10K OHM 5 1 6W R701 61A 602 103 52T 10K OHM 5 1 6W R702 61A 602 913 52T 91K OHM 5 1 6W R703 61A 602 622 52T 6 2K OHM 5 1 6W R704 61A 172 182 52T 1 8K OHM 5 1 4W R705 61A 602 101 52T 100 OHM 5 1 6W R706 61A 602 100 52T 10 OHM 5 1 6W R707 61A 602 103 52T 10K OHM 5 1 6W R708 61A 602 823 52T 82K OHM 5 1 6W R709 61A 602 103 52T 10K OHM 5 1 6W R710 61A 175L 150 52T 15 OHM 5 1 2W R711 61A 602 102 52T 1...

Page 36: ... R954 61A 175L 683 52T 68K OHM 5 1 2W R956 61A 172 272 52T 2 7K OHM 5 1 4W R957 61A 172 473 52T 47K OHM 5 1 4W R958 61A 172 102 52T 1K OHM 5 1 4W R960 61A 602 473 52T 47K OHM 5 1 6W R962 61A 172 220 52T 22 OHM 5 1 4W R963 61A 172 100 52T 10 OHM 5 1 4W R969 61A 602 913 52T 91K OHM 5 1 6W R970 61A 602 562 52T 5 6K OHM 5 1 6W R971 61A 172 104 52T 100K OHM 5 1 4W R972 61A 602 912 52T 9 1K OHM 5 1 6W R...

Page 37: ... SG804 62A 10 16 W SPARK GAP 1KV PARTS LIST OF CRT AUTO INS PC BOARD LOCATION C993 SPECIFICATION 715A 669 2A CRPC BOARD C801 67A 309 100 7T 10uF 20 50V C802 67A 309 100 7T 10uF 20 50V C803 67A 309 100 7T 10uF 20 50V C804 67A 305 101 3T 100uF 20 16V C805 65A 450 104 7T 0 1uF 80 20 50V C806 67A 309 100 7T 10uF 20 50V C807 67A 309 100 7T 10uF 20 50V C808 67A 309 100 7T 10uF 20 50V C809 67A 309 100 7T...

Page 38: ...50V C852 65A 517K 102 1T 1NF 500V 10 Y5P C854 65A 450 104 7T 0 1uF 80 20 Y5V 50V C855 67A 309 221 3T 220uF 20 16V C857 65A 517K 102 1T 1NF 500V 10 Y5P C858 65A 517K 102 1T 1NF 500V 10 Y5P C862 65A 442 100 13T 10PF 5 NPO 50V C863 65A 442 100 13T 10PF 5 NPO 50V C864 65A 442 100 13T 10PF 5 NPO 50V C865 65A 1K 101 5T 100PF 1KV 10 Y5P D801 93A 64 11 52T DIODE IN4148 D802 93A 64 11 52T DIODE IN4148 D803...

Page 39: ...CHOKE COIL L802 73A 54 229 5T 2 2uH CHOKE COIL L803 73A 54 229 5T 2 2uH CHOKE COIL L807 73A 54 338 5T 0 33uH 5 CHOKE COIL L808 73A 54 338 5T 0 33uH 5 CHOKE COIL L809 73A 54 338 5T 0 33uH 5 CHOKE COIL Q801 57A 420 P T TR 2SA733P NEC Q805 57A 516 1 T TR PH2369 Q806 57A 516 1 T TR PH2369 Q807 57A 516 1 T TR PH2369 Q808 57A 744 2 T TR BFQ221 Q809 57A 744 2 T TR BFQ221 Q810 57A 744 2 T TR BFQ221 Q811 5...

Page 40: ... OHM 5 1 2W R850 61A 175L 111 52T 110 OHM 5 1 2W R851 61A 602 682 52T 6 8K OHM 5 1 6W R852 61A 602 682 52T 6 8K OHM 5 1 6W R853 61A 602 682 52T 6 8K OHM 5 1 6W R854 61A 602 220 52T 22 OHM 5 1 6W R855 61A 602 220 52T 22 OHM 5 1 6W R856 61A 602 220 52T 22 OHM 5 1 6W R857 61A 602 470 52T 47 OHM 5 1 6W R858 61A 602 470 52T 47 OHM 5 1 6W R859 61A 602 470 52T 47 OHM 5 1 6W R866 61A 602 105 52T 1M OHM 5 ...

Page 41: ...ION 87A 3504 2 17 CRT SOCKET PARTS LIST OF IC601 ASS Y LOCATION PARTS No SPECIFICATION 11A 6007 2 BUSHING 90A 351 500 A HEAT SINK M1A 1730 10 128 SCREW IC601 56A 5002 1 TDA4866 PARTS LIST OF IC904 ASS Y LOCATION PARTS No SPECIFICATION 90A 360 2 HEAT SINK M1A 1730 8 128 SCREW IC904 56A 133 12 STM L7812CV PARTS LIST OF Q901 ASS Y LOCATION PARTS No SPECIFICATION 5A 42 501 WASHER 12A 372 1 SILICONE RU...

Page 42: ...ATION PARTS No SPECIFICATION 5A 42 501 WASHER 12A 372 1 SILICONE RUBBER 32A 3028 8 MICA 90A 367 507 HEAT SINK M1A 1130 10 128 SCREW M1A 1730 8 128 SCREW M1A 1730 10 128 SCREW D408 93A 220 17 FMQ 2FUR Q403 57A 706 7 2SC5521Z Q405 57A 415 1 TR NPN TIP122 Q911 57A 600 504 POWER MOSFET IRF634A PARTS LIST OF CN901 ASS Y LOCATION PARTS No SPECIFICATION 87A 501 5 RECEPTACLES 95A 800 2 2C WIRE ASS Y 96A 2...

Page 43: ...S Y PARTS LIST CRT ALTERNATION LOCATION PARTS No SPECIFICATION 750A 5455 1AV M46QC903 21 A 19 LG 50A 500 1 CABLE TIE 52A 1 201 ALUMINUM FOIL 52A 6001 2 COPPER FOIL C498 65A 1K 151 6A 1KV 150PF CL1 95A 201F 50 032 WIRE ASS Y TP498 95A 201M 50 172 WIRE ASS Y PARTS LIST CRT ALTERNATION LOCATION PARTS No SPECIFICATION 750A 5455 1AV M46QC903 21 A 19 LG 50A 500 1 CABLE TIE 52A 1 201 ALUMINUM FOIL C498 6...

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Page 46: ... IC401 TDA4856 41 ...

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Page 51: ... 11 2 CRT BOARD LAYOUT 11 3 KEY BOARD LAYOUT ...

Page 52: ... 12 SCHEMATIC DIAGRAM ...

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