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AOC S792-3 Series, Руководство по обслуживанию, Страница: 36 / 51

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Location

Location

Location

Location 

  

 ARS792X5N

ARS792X5N

ARS792X5N

ARS792X5N 

  

 

CRT BOARD FOR S792X

CRT BOARD FOR S792X

CRT BOARD FOR S792X

CRT BOARD FOR S792X-

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Содержание S792-3 Series

Страница 1: ...SERVICE MANUAL COLOR MONITOR S792 3 S792W 3 Series 41AS792W AOC A00 F N S792W 3 00 A Date Oct 18 02 Version A00...

Страница 2: ...l TTL Level TTL Level TTL Level Positive Negative Negative Positive Horizontal 720 H 640 H 640 H 800 H Vertical 400 V 480 V 480 V 600 V Fh kHz 31 327 31 469 43 269 53 750 Fv Hz 69 616 59 9 85 008 84 9...

Страница 3: ...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...

Страница 4: ...5 cathode and ground then adjust VR902 to be 61 0VDC B C Connect a DC Volt meter between TP701 G1 and ground Brightness set to max Then adjust VR702 to be 50 VDC D Connect a 22k resistor in parallel w...

Страница 5: ...ROTATION COLOR TEMPERATURE are common mode saved in the memory Don t needed adjust it individual at every timing Mode and save in the memory H Model select for factory only service engineer can t cha...

Страница 6: ...ll page B Adjust brightness to center and contrast to max C Then adjust focus VR1 to a fine vertical line D Adjust focus VR2 to a fine horizontal line E Repeat step C D 5 Purity Adjustment A Be sure t...

Страница 7: ...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...

Страница 8: ...his monitor The concept is fully DC controllable and can be used in applications with a micro controller solutions The UPC1888ECT provides sync Processing with full auto sync capability a flexible SMP...

Страница 9: ...Rectifier for 250V Supply D709 Protection Diode for Q708 D706 D708 Rectifier for 200V Supply Q707 Picture Mute Control AMP Q703 Q706 Brightness Control CKT Q708 Vertical Dynamic Focus Control AMP DB9...

Страница 10: ...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 O...

Страница 11: ...FACE 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...

Страница 12: ...pp 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 CI...

Страница 13: ...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 1100Vp...

Страница 14: ...15 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...

Страница 15: ...K 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 C...

Страница 16: ...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...

Страница 17: ...IFIED 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 CH...

Страница 18: ...T 34A 741 Y B BASE 34A 824 Y B SWIVEL 34A738V 3Y T FRONT PANEL 40A 154501 1 HI POT GND LABEL FOR MON 40A 581624 5A TCO 99 LABEL 40A2061615 1A ID LABEL 41A 68615 4B TCO 99 CARD 41A 6861575A QSG 44A3222...

Страница 19: ...CFR 5 6KOHM 5 1 6W Location Location Location Location CMS792W5NL CMS792W5NL CMS792W5NL CMS792W5NL CHASSIS FOR S792W CHASSIS FOR S792W CHASSIS FOR S792W CHASSIS FOR S792W 3L 3L 3L 3L Remark Remark Rem...

Страница 20: ...Y C902 63A 107474 H X2 MKP 0 47UF 275VAC C903 65A305M4722B2 4700PF 20 400VAC ACFY C904 65A305M4722B2 4700PF 20 400VAC ACFY C907 67A 3015115K 150UF 20 450V C913 63A210J6844MC 0 68UF 630V C915 65A 2M103...

Страница 21: ...GP GP32052CE DIY ZY NR901 61A 58 8T L NTCR 15OHM 15 2 5A THIN P105 33A3278 5 5 PIN P106 33A3278 7D WAFER PLUG P402 33A3192 4 4P PLUG P903 33A8009 3 3 PIN PLUG PR901 61A 52 27 4G PTCR 9OHM 20 220V GAOL...

Страница 22: ...2 75A 335204 CFVR 200K OHM 20 VR703 75A 335104 CFVR 100K OHM 20 VR902 75A 335303 CFVR 30K OHM 20 Location Location Location Location AMS792W5NL AMS792W5NL AMS792W5NL AMS792W5NL MAIN BOARD FOR S792W MA...

Страница 23: ...F 20 100V C433 64A701J2240AT 0 22uF 50V 5 C434 67A 309109 7T 1 0UF 20 50V C435 65A 444102 5T 1000 PF 10 50V Y5P C436 67A 305229 7T 2 2UF 20 50V C437 67A 309109 7T 1 0UF 20 50V C440 67A 305229 7T 2 2UF...

Страница 24: ...05 65A 444103 5T 0 01 UF 10 50V Y5P C706 67A 309220 7T 22UF 20 50V C707 64A176J104 2T 1UF 5 250V C708 67A 309100 7T 10UF 20 50V C710 67A 215478 7T 0 47UF 20 50V C711 65A 444102 5T 1000 PF 10 50V Y5P C...

Страница 25: ...A1002 1P52T 1N5817 D406 93A1060 652T F R D BYV26C D407 93A 64 1152T DIODE 1N4148 D409 93A 64 1152T DIODE 1N4148 D410 93A 6450152T SWITCHING DIODE BAV21 D411 93A 64 1152T DIODE 1N4148 D413 93A 64 1152T...

Страница 26: ...D RH 3 5X6X0 FB904 71A 55 19 T FERRITE BEAD 9X3 5X0 8 FB905 71A 55 19 T FERRITE BEAD 9X3 5X0 8 J003 95A 90 23 TIN COATED J004 95A 90 23 TIN COATED J005 95A 90 23 TIN COATED J008 95A 90 23 TIN COATED J...

Страница 27: ...95A 90 23 TIN COATED J052 95A 90 23 TIN COATED J053 95A 90 23 TIN COATED J054 95A 90 23 TIN COATED J055 95A 90 23 TIN COATED J056 95A 90 23 TIN COATED J057 95A 90 23 TIN COATED J058 95A 90 23 TIN COAT...

Страница 28: ...J098 71A 55 19 T FERRITE BEAD 9X3 5X0 8 J099 95A 90 23 TIN COATED J100 95A 90 23 TIN COATED J102 95A 90 23 TIN COATED J103 95A 90 23 TIN COATED J104 95A 90 23 TIN COATED J105 95A 90 23 TIN COATED J106...

Страница 29: ...1 61A 58301 WT NTCR 300OHM 5 3800K TH NR602 95A 90 23 TIN COATED Q101 57A 420 P T TRAN 2SA733P NEC TAPING Q102 57A 446501 T 2SC2120Y Q401 57A 419 P T TRAN 2SC945P NEC TAPING Q404 57A 420 P T TRAN 2SA7...

Страница 30: ...0247252T CFR 4 7K OHM 5 1 6W R117 61A 60247252T CFR 4 7K OHM 5 1 6W R118 61A 60247252T CFR 4 7K OHM 5 1 6W R119 61A 60247252T CFR 4 7K OHM 5 1 6W R120 61A 60210152T CFR 100 OHM 5 1 6W R121 61A 6021015...

Страница 31: ...16 61A 60218252T CFR 1 8K OHM 5 1 6W R417 61A 60222352T CFR 22K OHM 5 1 6W R418 61A 60256252T CFR 5 6KOHM 5 1 6W R419 61A 60239352T CFR 39K OHM 5 1 6W R420 61A 17210352T CFR 10KOHM 5 1 4W R421 61A 172...

Страница 32: ...33K OHM 5 1 6W R468 61A 60233352T CFR 33K OHM 5 1 6W R469 61A 60233352T CFR 33K OHM 5 1 6W R470 61A 60222252T CFR 2 2K OHM 5 1 6W R471 61A 60256152T CFR 560 OHM 5 1 6W R472 61A 17215452T CFR 150K OHM...

Страница 33: ...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 R717 61A 60210352T CFR 10K OHM 5 1 6W R718 61A 60210352T CFR 10K OHM 5 1 6W R719 61A 2101125...

Страница 34: ...M 5 1 6W R928 71A 55 19 T FERRITE BEAD 9X3 5X0 8 R932 61A175L22452T CFR 220K OHM 5 1 2W R954 61A175L56352T CFR 56K OHM 5 1 2W R956 61A 17210252T CFR 1KOHM 5 1 4W R957 61A 17247352T CFR 47K OHM 5 1 4W...

Страница 35: ...R S792X 3 3 3 3 Remark Remark Remark Remark 65A 1K470 2T 47PF 1KV 87A3504 QJ CRT Socket 705A792XR56 01 IC802 ASS Y C817 67A 305220 9T 22UF 20 100V C829 67A 305470 9 47UF 20 100V C874 65A 2M103 3A 1000...

Страница 36: ...D FOR S792X 3 3 3 3 Reamrk Reamrk Reamrk Reamrk C822 64A176J104 0T 0 1UF 5 63V C823 64A176J104 0T 0 1UF 5 63V C824 64A176J104 0T 0 1UF 5 63V C825 65A 44210013T 10PF 5 NPO 50V C826 65A 1K101 5T 100PF 1...

Страница 37: ...S792X5N ARS792X5N CRT BOARD FOR S792X CRT BOARD FOR S792X CRT BOARD FOR S792X CRT BOARD FOR S792X 3 3 3 3 Reamrk Reamrk Reamrk Reamrk D863 93A 6021P52T PS156R FB801 71A 55 9 T C CORE RF BEAD RH 3 5X6X...

Страница 38: ...RT BOARD FOR S792X CRT BOARD FOR S792X CRT BOARD FOR S792X CRT BOARD FOR S792X 3 3 3 3 Reamrk Reamrk Reamrk Reamrk R820 61A 60282252T CFR 8 2K OHM 5 1 6W R821 61A 60210252T CFR 1K OHM 5 1 6W R823 61A...

Страница 39: ...A791UC87 01 705A791UC87 01 705A791UC87 01 705A791UC87 01 AC IN SOCKET AC IN SOCKET AC IN SOCKET AC IN SOCKET Remark Remark Remark Remark 87A 501 6 RECEPTACLES 87A 501 6 RECEPTACLES 95A 800 2 2C WIRE C...

Страница 40: ...HARNESS Q403 57A 755 1 2SC5411 Q405 57A 415 1 A TR NPN TIP122 FAIRCHILD Q911 57A 600512 STP8NS25 Location Location Location Location 705A792XC5703A 705A792XC5703A 705A792XC5703A 705A792XC5703A Q420 A...

Страница 41: ...95A201M 50142 14 PULSE Location ocation ocation ocation 750A58657923AV 750A58657923AV 750A58657923AV 750A58657923AV 17 CPT CRT ASS Y S792 17 CPT CRT ASS Y S792 17 CPT CRT ASS Y S792 17 CPT CRT ASS Y S...

Страница 42: ...352T CFR 56K OHM 5 1 4W R618 61A 208828 64 MOFR 0 82OHM 5 1W R632 61A152M479 64 MOFR 4 7 OHM 5 2W R735 61A 60210252T CFR 1K OHM 5 1 6W T402 79A 790 1 A FBT TP498 95A201M 50132 13 PULSE IC101 NT68P61B...

Страница 43: ...IC901 STR G8656D...

Страница 44: ...IC401 UPC1888ECT...

Страница 45: ...IC804 NT6828 00023...

Страница 46: ...IC802 LM2467TA IC801 LM 1269NA IC401 TDA4856 41...

Страница 47: ...52 IC803 LM2480NA IC904 PC123FY2 IC903 L7812CV...

Страница 48: ...IC601 TDA9302H...

Страница 49: ...C403 C402 C410 C606 C446 C459 C422 C616 C462 C205 C923 C922 C206 C104 C106 C943 J003 J101 J007 GND GND4 GND3 GND2 SYNC C418 C428 C438 C439 C453 C458 C419 C429 C425 J090 J043 J033 J134 J108 J087 J094 J...

Страница 50: ...945 33K R468 1 4W 1K5 R440 C908 Q417 IRF630 1 4W 150K R460 56K R441 TP702 PS156R D416 4K7 R442 1UF C437 R909 JUMPER 35V 220UF C607 1W 1 R618 10K R614 D601 1N4002 16V 1000UF C612 470 R604 6K8 R606 R908...

Страница 51: ......

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