Acer AF715 Series Service Manual Download Page 1

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SERVICE GUIDE

COLOR MONITOR

(AF715 Series)

41AB793Z-ACER-A00

P/N : B793Z-01-A

Date: Mar-18-03
Ver : A00

Summary of Contents for AF715 Series

Page 1: ...SERVICE GUIDE COLOR MONITOR AF715 Series 41AB793Z ACER A00 P N B793Z 01 A Date Mar 18 03 Ver A00 ...

Page 2: ...TION 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 Mar 2003 ...

Page 3: ...ION 11 14 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 21 6 9 NO SOUND FOR AUDIO MODEL ONLY 21 6 10 POWER SUPPLY TROUBLE SHOOTING CHART 22 7 MECHANICAL OF CABINET FRONT ...

Page 4: ...ive Negative Positive Vert Sync TTL Level TTL Level TTL Level TTL Level Positive Negative Negative Positive Horizontal 640 H 720 H 640 H 800 H Vertical 480 V 400 V 480 V 600 V Fh kHz 31 47 31 47 43 3 53 67 Fv Hz 60 70 85 85 Mode5 Mode 6 Mode7 Mode 8 RGB Analog RGB Analog RGB Analog RGB Analog Horiz Sync TTL Level TTL Level TTL Level TTL Level Positive Positive Positive Positive Vert Sync TTL Level...

Page 5: ... Ambient 13 Humidity 10 to 85 Relative Non Condensing 14 Weight 17 0 Kgs Net 20 5Kgs Gross 15 Dimensions Monitor Carton 570 W 530 H 540 D mm Monitor 430 W 416 H 440 D mm 16 External Connection 15 Pin D type Connector AC Power Cord 17 Regulations UL CSA FDA FCC TÜV GS CE For Europe Area or other required Area MPR II TCO 99 ...

Page 6: ...safety test must be performed to verify that the display is safe to operate without danger or shock Always perform an AC leakage current check on the exposed metallic parts of the cabinet such as screw heads Test method for current leakage is described as follow a Plug the AC line cord directly into rated AC outlet do not use a line isolation transformer during this check b Use an AC voltmeter hav...

Page 7: ...upply 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 ...

Page 8: ...s 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 5V 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 9: ...nnect a 20kΩ resistor in parallel with R403 to increase the HV the hold down circuit will operate and the display will disappear Then disconnect this resistor to bring the unit to normal condition 2 Factory preset Timings Adjustment A Press MENU Key to show OSD window press Up or Down Key to switch the functional controls B Press the Up Key to select the ZOOM function then press the MENU Key While...

Page 10: ...BIAS ZOOM G BIAS Top corner B BIAS Bottom corner 9300 COLOR TEMPERATURE PINCUSHION 6500 COLOR TEMPERATURE TRAPEZOID DEGAUSS PIN BALANCE OSD EXIT PARALLELOGRAM RETURN ROTATION Vs Linear Vs Sub V size Vc Linear Vc Sub V center HS H SIZE NO use H Convergence HP Max H SIZE V Convergence Moire Disable Exceed Frequency SB Super Brightness Quality TM Used time BI Burn In R G B R G B ...

Page 11: ...The adjustment of 9300 K SBQ white blance may follow B C with the x 283 10 y 297 10 Y 280cd m2 G The adjustment of 6500o K SBQ white Balance May follow B C with the x 313 10 y 329 10 Y 260cd m2 H Select SB function to OFF and Exit factory preset model I Full white luminance a Set mode 2 640 480 Fh 68 6KHz full white pattern b Image Size H 310 4mm V 232 5 4mm c Brightness set to 50 DAC and set the ...

Page 12: ...he 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 detection watch dog tim...

Page 13: ...ator The oscillator is of the relaxation type and requires a capacitor of 10nF C413 at pin 29 The maximum oscillator frequency is determined by a resistor R426 form pin 28 to ground A resistor R425 from pin27 to pin28 defines the frequency range PLL 1 Phase Detector The phase detector is a standard one using switched current sources It compares the middle of H sync with a fixed point on the oscill...

Page 14: ...1 D703 D704 Rectifier for 200V Supply Q707 Picture Mute Control AMP Q705 Q706 Brightness Control CKT Q701 Vertical Dynamic Focus Control AMP BD901 Bridge Rectifier for AC Source D909 Rectifier for Start Power Supply D907 Clip Diode for Snubber CKT D906 IC901 VCC Supply D910 Speed UP for Q901 D911 Synchronous Trigger for Power Supply D912 D913 D918 Rectifier for 180V Output Voltage Supply D916 D917...

Page 15: ...V Supply Off when the Off Mode is Required Q908 Q909 To Turn 16V Supply Off when the Off or Suspend Mode is Required Q408 MOS FET for B Control Q406 Q407 Push Pull Driver for Q408 D856 D858 DC Restoration for CRT Bias Adjustment D850 D852 D854 Protection Diode for Q801 Q802 Q803 Q850 Q852 DC Restoration for CRT Bias Adjustment ...

Page 16: ... 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 Q707 RELATIVE CKT CHECK MAIN PCB POWER SUPPLY 180V 16V 80V CHECK THE HIGE VOLTAGE OF CRT ABOUT 25 0 3KV OR Q409 DRAIN ...

Page 17: ...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 Q102 GOOD OR FAIL HECK THE VOLTAGE OF IC801 PIN7 15 18 21 CHECK IC801 PIN5 CLAMP PULSE PI 11 BLANK P...

Page 18: ...HE 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 CHECK THEOUTPUTVOLTAGE OF IC801 PIN16 19 22 ABOUT 3Vpp CHECK THE VOLTAGE OF FBT SCREEN ABOUT 500V TO 800V LES...

Page 19: ...RCUIT 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 PIN 10 RELATIVE CIRCUIT CHECK IC801 PIN11 VIDEO PCB CHECK G1 RELATIVE CIRCUIT Q702 Q703 Q704 C711 C712 CHECK THE RELATIVE CIRCUIT OF D424 R497 ZD404 ON M...

Page 20: ...D 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 CHECK THE RELATIE CIRCUIT OF Q409 CHECK THE RELATIVE CIRCUIT OF SMPS Q408 IC401 PIN 4 5 6 VR902 CHECK FBT B VOLTAGE AT Q408 GATE NG OK CHECK THE HV OF CRT ABOUT 25KV CHECK...

Page 21: ... 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 6 8 POOR FOCUS READJUST FOCUS CONTROL NG CHECK FOCUS CONTROL UNIT FOCUS LEAD WIRE CRT SOCKET CRT READJUST V SIZE FUNCTION VALUE CHECK THE IC601 PIN3 2 ABOUT 13V CHECK D601 D602 R606 R609 SMPS RELATIVE CIRCUIT CHECK ...

Page 22: ... 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 PIN 4 5 6 B DRIVER OUTPUT IS NOT SHORTED VOLTAGE 55V CHECK THE C934 ...

Page 23: ...22 7 MECHANICAL OF CABINET FRONT DIS ASSEMBLY ...

Page 24: ...OR MO 40A 459687 1A CARTON LABEL 40A 581 26704 PAEPR FOR CARTON PALLET 40A 58162433A TCO03 LABEL 40A2064786 2A ID LABEL 41A 68508 A CARD 41A 68786 2A WARRANTY BOCKLET 41A 68786 3A TCO03 CARD 41A 753786 1A MANUAL 44A3231505 ELECTRIC COTTON 44A6785 1 EPS CUSHION 44A6785 2 EPS CUSHION 44A6785786 1A CARTON 44A9003210 Protect Corner Board 45A 76 28 RN PE BAG FOR MANUAL 45A 77500 BARCODE RIBBON 45A 7750...

Page 25: ...7011AVP7T 17 CPT TCO CRT ASS Y 750A57452AVP7T 17 LG CRT ASS Y 71A 100 8 FERRITE CORE 12 25 15 Close to CRPC Board 85A 588 1 IRON SLICE On IC401 SW102 77A 602 1 CJ TACT SWITCH TSVB 2 SW103 77A 602 1 CJ TACT SWITCH TSVB 2 SW104 77A 602 1 CJ TACT SWITCH TSVB 2 SW105 77A 602 1 CJ TACT SWITCH TSVB 2 AG 95A 900510 GROUND WIRE C411 67A 309331 3T 330UF 20 16V C414 67A 305220 9T 22UF 20 100V C415 65A517K22...

Page 26: ... R D BYV26C D922 93A3020 8T RG 4Z D923 93A3020 8T RG 4Z D925 93A3040 8T RG 4 DF908 71A 55 2 FERRITE BEAD 6 5 5 1 7 DF912 71A 55 2 FERRITE BEAD 6 5 5 1 7 DF919 71A 55 2 FERRITE BEAD 6 5 5 1 7 DF922 71A 55 2 FERRITE BEAD 6 5 5 1 7 For Cathode of D922 DF923 71A 55 2 FERRITE BEAD 6 5 5 1 7 DF925 71A 55 2 FERRITE BEAD 6 5 5 1 7 Close to Cathode F901 84A 33 10 FUSE CLIP F901 84A 41 4 FUSE 4A 250V LF 215...

Page 27: ...33 59 MOFR 33K OHM 5 3W R920 61A152M188 64 MOFR 0 18 OHM 2W 5 R964 61A152M759 64 MOFR 7 5 OHM 5 2W R968 61A152M759 64 MOFR 7 5 OHM 5 2W R979 61A153M181 59 MOFR 180 OHM 5 3W RC716 61A 60210352T CFR 10K OHM 5 1 6W FOR Cathode of C716 RY401 77A 260 5 2W RELAY OSA SS 212DM5 RY901 77A 260 5 2W RELAY OSA SS 212DM5 SG701 62A 10 16 J SPARK GAP 1KV 500 100V SW901 77A411A 2 S PUSH SWITCH T401 79A 167118 NA ...

Page 28: ...64A700J3330AT 0 033UF 63V 5 C407 64A176J152 1T 1500PF 100V C408 64A176J104 2T 1UF 5 250V C409 67A 309479 7T 4 7UF 20 50V C410 65A 442470 9T 47pF 50V SL C412 65A 444101 5T 100 PF 10 50V Y5P C413 67A 309109 7T 1 0UF 20 50V C416 64A176J103 1T 0 01UF 5 100V C417 64A701J1540AT 0 15UF 50V 5 C420 64A178J223 1T CL21X 0 022UF 100V 5 C421 65A 444102 5T 1000 PF 10 50V Y5P C422 65A 444101 5T 100 PF 10 50V Y5P...

Page 29: ...0PF 1KV Y5P 10 C704 67A 309100 7T 10UF 20 50V C705 65A 444103 5T 0 01 UF 10 50V Y5P C707 64A176J104 2T 1UF 5 250V C708 67A 309100 7T 10UF 20 50V C710 67A 70478 9T 0 47UF 20 100V C711 65A 444102 5T 1000 PF 10 50V Y5P C714 64A178J153 1T MPE 0 015UF 100V 5 C730 65A 450104 7T 0 1UF 80 20 50V Y5V C731 65A 1K471 2T6052 470PF 1KV Y5P 10 C732 65A 1K471 2T6052 470PF 1KV Y5P 10 C909 67A 309470 7T 47UF 20 50...

Page 30: ...52T DIODE 1N4148 D412 93A1040 252T F R D UF4004 GIT D413 93A 64 1152T DIODE 1N4148 D414 93A 6021P52T PS156R D415 93A 6021P52T PS156R D416 93A 6021P52T PS156R D418 93A 6431G52T BAV20 D421 93A 5247P52T 1N4004 D422 93A 5247P52T 1N4004 D423 93A 5247P52T 1N4004 D430 93A 64 1152T DIODE 1N4148 D450 93A 64 1152T DIODE 1N4148 D601 93A 5247P52T 1N4004 D604 93A 64 1152T DIODE 1N4148 D703 95A 90 23 TIN COATED...

Page 31: ...D J012 95A 90 23 TIN COATED J013 95A 90 23 TIN COATED J014 95A 90 23 TIN COATED J016 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 95A 90 23 TIN COATED J025 95A 90 23 TIN COATED J026 95A 90 23 TIN COATED J027 95A 90 23 TIN COATED J028 95A 90 23 TIN COATED J029 95A 90 23 TIN COATED J030 95A...

Page 32: ...079 95A 90 23 TIN COATED J080 95A 90 23 TIN COATED J081 95A 90 23 TIN COATED J082 95A 90 23 TIN COATED J084 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 J094 95A 90 23 TIN COATED J095 95A 90 23 TIN COATED J096 95A 90...

Page 33: ...Q102 57A 446501 T 2SC2120Y Q205 57A 419 P T TRAN 2SC945P NEC TAPING Q206 57A 420 P T TRAN 2SA733P NEC TAPING Q401 57A 419 P T TRAN 2SC945P NEC TAPING Q404 57A 420 P T TRAN 2SA733P NEC TAPING Q406 57A 420 P T TRAN 2SA733P NEC TAPING Q407 57A 446 1 T TRAN 2SC1213AC HITACHI Q408 57A 420 P T TRAN 2SA733P NEC TAPING Q409 57A 420 P T TRAN 2SA733P NEC TAPING Q410 57A 419 P T TRAN 2SC945P NEC TAPING Q411 ...

Page 34: ...52T CFR 10K OHM 5 1 6W R125 61A 60210352T CFR 10K OHM 5 1 6W R129 61A 60247252T CFR 4 7K OHM 5 1 6W R130 61A 60247252T CFR 4 7K OHM 5 1 6W R131 61A 60210252T CFR 1K OHM 5 1 6W R132 61A 60210252T CFR 1K OHM 5 1 6W R134 61A 17210552T CFR 1MOHM 5 1 4W R135 61A 17222052T CFR 22OHM 5 1 4W R136 61A 60210152T CFR 100 OHM 5 1 6W R137 61A 60210152T CFR 100 OHM 5 1 6W R138A 61A 60247252T CFR 4 7K OHM 5 1 6W...

Page 35: ... 17215252T CFR 1 5K OHM 5 1 4W R441 61A 60256352T CFR 56K OHM 5 1 6W R442 61A 60247252T CFR 4 7K OHM 5 1 6W R443 61A 21013252T MFR 1 3K OHM 1 1 6W R444 61A 60222252T CFR 2 2K OHM 5 1 6W R445 61A 60210352T CFR 10K OHM 5 1 6W R446 61A 17215452T CFR 150K OHM 5 1 4W R447 61A 60210252T CFR 1K OHM 5 1 6W R448 61A 60256352T CFR 56K OHM 5 1 6W R449 61A 60247252T CFR 4 7K OHM 5 1 6W R450 61A 17247452T CFR ...

Page 36: ...07 61A 60210352T CFR 10K OHM 5 1 6W R708 61A 60282352T CFR 82K OHM 5 1 6W R709 61A 60210352T CFR 10K OHM 5 1 6W R710 61A175L15052T CFR 15 OHM 5 1 2W R711 61A 60247252T CFR 4 7K OHM 5 1 6W R713 61A 60210252T CFR 1K OHM 5 1 6W R714 61A 60210252T CFR 1K OHM 5 1 6W R715 95A 90 23 TIN COATED R718 61A 60210352T CFR 10K OHM 5 1 6W R719 61A 21011252T MFR 1 1KOHM 1 1 6W R720 61A214Y12552T MGFR 1 2MOHM 5 1 ...

Page 37: ... 130K OHM 5 1 4W R939 61A 17227452T CFR 270KOHM 5 1 4W R940 61A 17224452T CFR 240KOHM 5 1 4W R941 61A 60222252T CFR 2 2K OHM 5 1 6W R942 61A 60210152T CFR 100 OHM 5 1 6W R944 61A 60230252T CFR 3K OHM 5 1 6W R945 61A214Y10552T MGFR 1M OHM 5 1 4W R955 95A 90 23 TIN COATED R956 61A 17210252T CFR 1KOHM 5 1 4W R960 61A 60247352T CFR 47K OHM 5 1 6W R962 61A 17256052T CFR 56 OHM 5 1 4W R963 61A 17210052T...

Page 38: ...rt on the Contrary P802 33A3802 14 WAFER EH 14 R822 61A152M101 64 MOFR 100OHM 5 2W R833 61A 17247452T CFR 470K OHM 5 1 4W R845 61A152M150 64 MOFR 15 OHM 5 2W R848 61A152M229 64 MOFR 2 2 OHM 5 2W R863 61A152M100 64 MOFR 10 OHM 5 2W PARTS LIST OF CRT AUTO INS PC BOARD LOCATION ARB793Z5NAYL SPECIFICATION REMARK 6A 31 4 BRASS 715A 861 1CPQ CRT BAORD R817 61A 60222152T CFR 220 OHM 5 1 6W C801 64A178J10...

Page 39: ...3 4T 0 01UF 100V Z5V C859 65A517K102 2T6213 1000PF 10 Z5P 500V C861 65A517K102 2T6213 1000PF 10 Z5P 500V C862 65A517K102 2T6213 1000PF 10 Z5P 500V C864 65A 550103 4T 0 01UF 100V Z5V C867 65A 450104 7T 0 1UF 80 20 50V Y5V C871 67A 309101 3T 100UF 20 16V C873 65A517K102 2T6213 1000PF 10 Z5P 500V C875 65A 450104 7T 0 1UF 80 20 50V Y5V C876 65A 44210113T 100PF 5 NPO 50V C877 65A 44210113T 100PF 5 NPO ...

Page 40: ...FR 33 OHM 5 1 6W R807 61A 60210152T CFR 100 OHM 5 1 6W R808 61A 60210152T CFR 100 OHM 5 1 6W R809 61A 60210152T CFR 100 OHM 5 1 6W R810 61A 60210152T CFR 100 OHM 5 1 6W R811 61A 60210152T CFR 100 OHM 5 1 6W R812 61A 60210152T CFR 100 OHM 5 1 6W R813 61A 21010352T MFR 10K OHM 1 1 6W R814 61A 60210152T CFR 100 OHM 5 1 6W R815 61A 60210152T CFR 100 OHM 5 1 6W R818 61A 60210152T CFR 100 OHM 5 1 6W R82...

Page 41: ...75L10152T CFR 100 OHM 5 1 2W R880 61A214Y56452T 560K 1 4W ZD801 93A 39 7752T HZ5C1 PARTS LIST OF IC802 ASS Y LOCATION PART No SPECIFICATION REMARK 2A6003 1 SCREW NUT 90A6026 2 HEAT SINK M1A1730 8128 SCREW M3x8 IC802 56A 551 9 LM2467TA BY NS PARTS LIST OF AC IN SOCKET LOCATION PART No SPECIFICATION REMARK 87A 501 6 RECEPTACLES 95A 800 2 2C WIRE CORE 96A 29 6190 H S TUBING DIA 4 0MM PARTS LIST OF C9...

Page 42: ... 363527 P HEAT SINK M1A1130 8128 SCREW 3 0X8 M1A1730 8128 SCREW M3x8 FOR D408 M1A1730 10128 SCREW M3x10 FOR Q403 Q911 M1A1730 12128 SCREW Q405 D408 93A 220505 DMV1500M Q403 57A 706504 2SC5909 Q405 57A 415 1 TR NPN TIP122 FAIRCHILD Q911 57A 600 27 IRF634B PARTS LIST OF C2 ASS Y LOCATION PART No SPECIFICATION REMARK 15A5659500 2 Rear Bracket B1A1140 6128 SCREW PARTS LIST OF C903 ASS Y LOCATION PART ...

Page 43: ...52 47PF 1KV P701 33A3803 3 WAFER EH E R498 61A 17256352T CFR 56K OHM 5 1 4W R618 61A 208918 64 MOFR 0 91OHM 5 1W T402 79AS793 1 FBT BY SAMPO TP498 95A201M 50172 WIRE PARTS LIST OF 17 LG CRT ASS Y LOCATION PART No SPECIFICATION REMARK 750A57452AV LG 17 0 25 TCO HB FLAT C418 63A210J3628FC 3600PF 2KV C419 63A210J3927FC 3900PF 1 6KV C425 63A210J2243CC 22U 400V C429 63A210J1252MC 1 2UF 250V 5 C438 63A2...

Page 44: ...S0 CS4 SCL SDA 12V FBP BLK VFB CLP SDA SCL P802 80V G1 ABL H T P803 SCL SDA 12 11 10 8M Hz START B PWM B HORI O P BLANK SDA SCL B 2 1 1 2 V DYNAIS 6 5 4 3 2 1 V BLANKING BRIGHTNESS 1 2 3 4 5 7 8 9 10 11 O P V FOCUS V FOCUS H FOCUS ABL H V CONTROL HEATER CONTROL B PWM STAND BY SUSPEND 80V STAND BY SUSPEND IC101 6 5V IC101 POWER Q901 IC901 PWM CONTROL CONTROL POWER DEGAUSS RY901 L901 L902 FILTER LIN...

Page 45: ...44 10 IC BLOCK DIAGRAM IC201 IC701 IC906 LM358 IC101 NT6861 ...

Page 46: ...ALLELOGRAM OSCILLATOR HORIZONTAL H POSITION PLL1 AND FREQUENCY DETECTOR COINCIDENCE DETECTOR 2 I C BUS REGISTERS AND SOFT START PROTECTION V SIZE VOVSCN V POSITION V LINEARITY BALANCE V LINEARITY V OUTPUT H SIZE H TRAPEZIUM H CORNER H PINCUSHION EW OUTPUT EHT COMPENSATION AND AGC OSCILLATOR VERTICAL INTEGRATOR V SYNC CORRECTION AND POLARITY H C SYNC INPUT REFERENCE AND SUPPLY 2 RECEIVER I C BUS OU...

Page 47: ...46 ...

Page 48: ...47 SUPPLY VOLTAGE OUTPUT STAGE SUPPLY FLYBACK GENERATOR INVERTING INPUT GROUND OUTPUT NON INVERTING INPUT IC601 TDA8172 TDA9302 IC402 TC4538 ...

Page 49: ...48 IC802 NT6828 IC801 TDA4887 ...

Page 50: ...49 IC901 3842 VCC GND O P Ct Rt Is COMP F B Vref 8 2 1 3 4 6 5 7 U V L O 36V 1V 1 2 Vref OSCILLATOR LATCH PWM S R COMP C S 1 3 AMP ERR LOGLC RESET SET Vref 5V BIAS INTERNAL IC803 LM2437 ...

Page 51: ...ENCE GENERATOR CURRENT CIRCUIT STARTING ST24W04 IC102 VCC MODE WC SCL SDA VSS E2 E1 PRE 1 2 3 4 5 6 7 8 TL431 IC905 ANODE REFERENCE CATHODE R K A 2 5Vref IC902 TL431 IC903 PC123 SFH615 Synchronization Input Gnd Gate Drive VCC Current Sense Input Oscillator Capacitor CT Vcontrol Feedback Input IC906 MC33260 1 2 3 4 5 6 7 8 ...

Page 52: ...14 C937 C908 C929 C411 R488 C931 C612 C939 C917 C607 J148 C406 J003 J087 J061 J077 J120 J053 J116 J108 C900 C425 C429 C419 C458 C453 C439 C438 C428 C418 ZD903 ZD408 ZD102 ZD409 ZD402 ZD406 ZD704 ZD703 ZD701 ZD410 ZD101 F901 250VAC 4A T E C B Q209 E C B Q208 E C B Q210 E C B Q211 E C B Q101 E C B Q709 E C B Q905 E C B Q907 E C B Q102 E C B Q206 E C B Q903 E C B Q205 E C B Q904 E C B Q906 E C B Q901...

Page 53: ... G2 C874 R862 R855 R861 R854 R857 R858 R856 R859 R860 R817 J803 L803 L801 L802 L850 D856 L852 24 13 12 1 IC801 D807 D852 J809 D806 D802 D801 D803 D805 D851 L851 D855 D854 J813 D804 C851 R816 L804 B HT GND R G2 G G1 J811 C807 C816 C805 C855 C854 C806 C832 C871 C853 C810 C809 J805 R874 R872 R880 R873 J814 C819 FB851 C817 C864 R822 9 1 IC802 R879 FB805 FB807 FB808 D820 FB852 R833 C843 R843 R827 R844 ...

Page 54: ...B806 R803 D807 C910 C842 C824 C823 R844 R829 R813 C810 C807 R839 R826 C801 C802 C831 R847 ZD410 C408 C906 NR601 NR602 C956 Q419 C853 R815 C833 R814 R916 R806 C804 R917 C732 R944 R802 D806 D805 C806 C803 C601 D801 D802 C416 R805 R931 D804 D803 R830 C805 L804 C816 R833 C818 R804 C811 C821 R810 R809 R808 R807 Q707 R473 R941 R435 R942 C731 R126 R128 C480 R157 R156 R620 R131 C912 C933 R940 C954 D929 R9...

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