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Q702

57A 420- P- T

TRAN 2SA733P/NEC TAPING

Q703

57A 420- P- T

TRAN 2SA733P/NEC TAPING

Q704

57A 419- P- T

TRAN 2SC945P/NEC TAPING

Q705

57A 419- P- T

TRAN 2SC945P/NEC TAPING

Q706

57A 498- 1- T

TRAN BF423 TAPING PHILIP

Q707

57A 721- 1- T

DTC114ES ROHM

Q708

57A 708- 1- T

2SC4002E

Q709

57A 419- P- T

TRAN 2SC945P/NEC TAPING

Q710

57A 420- P- T

TRAN 2SA733P/NEC TAPING

Q904

57A 594-504- T

KSP44TA

Q906

57A 419- P- T

TRAN 2SC945P/NEC TAPING

Q910

57A 419- P- T

TRAN 2SC945P/NEC TAPING

Q912

57A 446- 1- T

TRAN.2SC1213AC/HITACHI

Q913

57A 419- P- T

TRAN 2SC945P/NEC TAPING

Q914

57A 419- P- T

TRAN 2SC945P/NEC TAPING

Q915

57A 619- 1- T

2SA673AC/HITACHI

Q916

57A 419- P- T

TRAN 2SC945P/NEC TAPING

R101

61A 602-562-52T

5.6K OHM 5% 1/6W

R102

61A 602-272-52T

2.7K OHM 5% 1/6W

R103

61A 602-392-52T

3.9K OHM 5% 1/6W

R104

61A 602-682-52T

6.8K OHM 5% 1/6W

R105

61A 602-472-52T

4.7K OHM 5% 1/6W

R106

61A 602-472-52T

4.7K OHM 5% 1/6W

R107

61A 602-103-52T

10K OHM 5% 1/6W

R108

61A 602-101-52T

100 OHM 5% 1/6W

R109

61A 602-101-52T

100 OHM 5% 1/6W

R110

61A 602-472-52T

4.7K OHM 5% 1/6W

R111

61A 602-222-52T

2.2K 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

R124

61A 602-102-52T

1K OHM 5% 1/6W

R125

61A 602-562-52T

5.6K OHM 5% 1/6W

R126

61A 602-202-52T

2K OHM 5% 1/6W

R127

61A 602-562-52T

5.6K OHM 5% 1/6W

R128

61A 602-102-52T

1K OHM 5% 1/6W

R130

61A 602-102-52T

1K OHM 5% 1/6W

R131

61A 602-101-52T

100 OHM 5% 1/6W

R132

61A 602-102-52T

1K OHM 5% 1/6W

R133

61A 602-103-52T

10K OHM 5% 1/6W

R134

61A 602-103-52T

10K OHM 5% 1/6W

R135

61A 602-103-52T

10K OHM 5% 1/6W

R136

61A 602-103-52T

10K OHM 5% 1/6W

R137

61A 602-103-52T

10K OHM 5% 1/6W

R138

61A 602-103-52T

10K OHM 5% 1/6W

R139

61A 602-103-52T

10K OHM 5% 1/6W

R140

61A 602-103-52T

10K OHM 5% 1/6W

R141

61A 602-103-52T

10K OHM 5% 1/6W

R142

61A 602-132-52T

1.3K OHM +-5% 1/6W

R143

61A 602-103-52T

10K OHM 5% 1/6W

R161

61A 172-474-52T

470K OHM 5% 1/4W

R162

61A 172-181-52T

180 OHM +-5% 1/4W

R164

61A 602-101-52T

100 OHM 5% 1/6W

R165

61A 602-101-52T

100 OHM 5% 1/6W

R167

61A 602-105-52T

1M OHM 5% 1/6W

R178

61A 602-101-52T

100 OHM 5% 1/6W

R179

61A 602-101-52T

100 OHM 5% 1/6W

R180

61A 602-101-52T

100 OHM 5% 1/6W

R181

61A 602-101-52T

100 OHM 5% 1/6W

R186

61A 602-103-52T

10K OHM 5% 1/6W

R189

61A 172-151-52T

150 OHM 5% 1/4W

R401

61A 602-332-52T

3.3K OHM 5% 1/6W

R402

61A 210-751-52T

750 OHM 1% 1/6W

R403

61A 210-272-52T

2.7K OHM 1% 1/6W

R404

61A 602-103-52T

10K OHM 5% 1/6W

R405

61A 210-203-52T

20K OHM 1% 1/6W

R406

61A 602-102-52T

1K OHM 5% 1/6W

R407

61A 602-103-52T

10K OHM 5% 1/6W

Содержание VM7K9

Страница 1: ...COLOUR MONITOR Model VM7K9 With PFC SERVICE INFORMATION...

Страница 2: ...ON 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...

Страница 3: ...itive Negative Negative Negative Positive Positive Horizontal 640 H 720 H 640 H 640 H 800 H 800 H Vertical 480 V 400 V 480 V 480 V 600 V 600 V Fh kHz 31 47 31 47 37 5 43 3 46 875 53 67 Fv Hz 60 70 75...

Страница 4: ...Kgs Net 20 5Kgs Gross for 7Glr 17 8 Kgs Net 21 5Kgs Gross for 7GlrA 15 Dimensions Monitor Carton 540 W 532 H 570 D mm Monitor 410 W 411 H 430 D mm for 7Glr 410 W 448 H 430 D mm for 7GlrA 16 External...

Страница 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 e...

Страница 6: ...ly 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 supp...

Страница 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...

Страница 8: ...roma 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 me...

Страница 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...

Страница 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 whit...

Страница 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 RA...

Страница 12: ...scillator 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 t...

Страница 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...

Страница 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...

Страница 15: ...GE 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...

Страница 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...

Страница 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 CHEC...

Страница 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 C...

Страница 19: ...HECK 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...

Страница 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...

Страница 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...

Страница 22: ...G 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 C...

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

Страница 24: ...3213 2 Eps Cushion 44A3213 687 1A CARTON 45A 76 20 RN PE BAG 45A 76 28 RN 14 15 17 Manual PE BAG 45A 76 34 RN PE BAG 45A 77 500 BARCODE RIBBON 45A 77 501 BARCODE RIBBON 85A 532 505 CRPC SHIELD 85A 543...

Страница 25: ...0 400VAC PY17 C902 63A 107 224 5S X CAP 0 22U 250V C902 63A 107 224 HS INTERFERENCE SUPPRESSORS C902 63A 107 224 10S R 46 SERIES MPP C903 65A305M 332 2B 3300PF 20 400VAC 250V C903 65A305M 332 2B2 3300...

Страница 26: ...IRF630 FAIRCHIRD Q412 57A 610 501 IRF640A Q417 57A 610 501 IRF640A Q418 57A 600 2 MOS FET IRF630 FAIRCHIRD Q420 57A 600 2 MOS FET IRF630 FAIRCHIRD Q908 57A 728 1 2SB772 Q NEC Q908 57A 728 3 HSB772P HS...

Страница 27: ...309 330 3T 33UF 20 16V C103 67A 305 101 4T 100UF 20 25V C105 67A 309 100 7T 10UF 20 50V C109 65A 442 101 1T 100PF J NPO 50V C109 65AUP05 101 1TM 100PF 50V NPO MULTILAYER C110 67A 309 101 3T 100UF 20...

Страница 28: ...109 7T 1 0UF 20 50V C444 65A 442 181 13T 180PF 5 NPO 50V C444 65AUP05 181 1TM 180PF 50V NPO MULTILAYER C445 64A176J 104 0T 0 1UF 5 63V C447 67A 309 109 7T 1 0UF 20 50V C448 65A 444 681 1T 680P 50V C4...

Страница 29: ...0 1UF 5 63V C957 64A700J 104 0AT 0 1uF 50V 5 C958 64A176J 222 0T 0022UF 5 50 63 C958 64A176J 222 1T 0 0022UF 5 100V C958 64A700J 222 0AT 2 2nF 50V 5 C959 64A176J 334 0T 0 33UF 5 50V 63V C959 64A176J 3...

Страница 30: ...0 21P 52T PS156R D705 93A 60 21T 52T FR155 D706 93A1060 6 52T F R D BYV26C D706 93A1060 6G 52T UF4005 G I D707 93A 64 11 52T DIODE 1N4148 D707 93A 64 11F 52T SWITCH DIODE IN4148 D707 93A 64 11H 52T DI...

Страница 31: ...TED J033 95A 90 23 TIN COATED J034 95A 90 23 TIN COATED J035 95A 90 23 TIN COATED J036 95A 90 23 TIN COATED J037 95A 90 23 TIN COATED J038 95A 90 23 TIN COATED J039 95A 90 23 TIN COATED J041 95A 90 23...

Страница 32: ...J113 95A 90 23 TIN COATED J114 95A 90 23 TIN COATED J115 95A 90 23 TIN COATED J116 95A 90 23 TIN COATED J117 95A 90 23 TIN COATED J118 95A 90 23 TIN COATED J119 95A 90 23 TIN COATED J122 95A 90 23 TI...

Страница 33: ...2T 4 7K OHM 5 1 6W R119 61A 602 472 52T 4 7K OHM 5 1 6W R124 61A 602 102 52T 1K OHM 5 1 6W R125 61A 602 562 52T 5 6K OHM 5 1 6W R126 61A 602 202 52T 2K OHM 5 1 6W R127 61A 602 562 52T 5 6K OHM 5 1 6W...

Страница 34: ...02 103 52T 10K OHM 5 1 6W R446 61A 172 154 52T 150K OHM 5 1 4W R447 61A 602 102 52T 1K OHM 5 1 6W R448 61A 602 563 52T 56K OHM 5 1 6W R449 61A 602 472 52T 4 7K OHM 5 1 6W R450 61A 602 122 52T 1 2K OHM...

Страница 35: ...A 602 242 52T 2 4K OHM 5 1 6W R903 61A 602 361 52T 360 OHM 5 1 6W R904 61A 203 474 52T 470K 5 1 2W R905 61A 203 474 52T 470K 5 1 2W R923 61A 203 474 52T 470K 5 1 2W R924 61A 203 474 52T 470K 5 1 2W R9...

Страница 36: ...3278 9 9 PIN PLUG B9B XHA JST P803 33A3278 6 6P PLUG B6B XHA P804 33A3278 5 5 PIN P805 33A3278 7 7P PLUG B7B XHA JST R836 61A155C 102 H2 1K OMH 5 5W R837 61A155C 102 H2 1K OMH 5 5W R838 61A155C 102 H2...

Страница 37: ...T 0 1UF 80 20 50V Y5V C855 67A 309 221 3T 220UF 20 16V C857 65A517K 102 5T 1000PF 500V 10 Y5P C858 65A517K 102 5T 1000PF 500V 10 Y5P C862 65A 442 100 13T 10PF 5 NPO 50V C863 65A 442 100 13T 10PF 5 NPO...

Страница 38: ...IN4148 D821 93A 64 11H 52T DIODE 1N4148 HITACHI D821 93A 64 11P 52T 1N4148 PHILIPS D822 93A 64 11 52T DIODE 1N4148 D822 93A 64 11F 52T SWITCH DIODE IN4148 D822 93A 64 11H 52T DIODE 1N4148 HITACHI D82...

Страница 39: ...61A 602 330 52T 33 OHM 5 1 6W R806 61A 602 330 52T 33 OHM 5 1 6W R807 61A 602 101 52T 100 OHM 5 1 6W R808 61A 602 101 52T 100 OHM 5 1 6W R809 61A 602 101 52T 100 OHM 5 1 6W R810 61A 602 101 52T 100 O...

Страница 40: ...R884 61A175L 680 52T 68 OHM 5 1 2W R885 61A175L 680 52T 68 OHM 5 1 2W R886 61A175L 680 52T 68 OHM 5 1 2W R887 61A175L 101 52T 100 OHM 5 1 2W R888 61A175L 564 52T 560K OHM 5 1 2W SG803 62A 10 2 T SPARK...

Страница 41: ...4W R916 61A 172 223 52T 22K OHM 5 1 4W R917 61A 172 100 52T 10 OHM 5 1 4W ZD902 93A 39 520 52T TZX18A ZD902 93A 39 94M 52T MTZ J 18A ROHM Location 705A995TPFC 0 Q904 ASS Y 90A 339 502 A HEAT SINK M1A...

Страница 42: ...V MOROCCO Location 750A5706790AV CPT TCO95 99 ASS Y P7 750A5706 1AV 17 CRT C418 63A210J 432 8FC 0 0043uF 5 2000V C418 63A210J 432 8FM MPP 4 3NF 2000V 5 C419 63A210J 432 5FC 4300PF 5 1000V CAMEL C419 6...

Страница 43: ...ILTER LINE D901 D904 CIRCUIT RETIFIER IC601 V OUTPUT Q802 Q807 O P AMP VIDEO Q817 Q819 H F B X RAY B VR902 B CONTROL H V PROCESSOR OFF CS0 CS6 V SYNC O H SYNC O B B G B R B B D G D R D SUSPEND DEGAUSS...

Страница 44: ...D0 P11 AD1 P12 HALFH0 P13 HALFH1 CE P14 P15 OSC1 OSC0 VDD DAC0 DAC1 DAC2 OUTPUT 3 OUTPUT 2 VCC OUTPUT 4 VCC OUTPUT 1 14 1 13 12 11 10 9 8 2 3 4 5 6 7 30 15 14 13 12 11 31 32 33 34 35 36 10 9 8 7 6 5 3...

Страница 45: ...AL INTEGRATOR V SYNC CORRECTION AND POLARITY H C SYNC INPUT REFERENCE AND SUPPLY 2 RECEIVER I C BUS OUTPUT HUNLOCK AND V BLANK CLAMPING VIDEO CORRECTION AND POLARITY V SYNC INPUT R DRIVE ADJ G DRIVE A...

Страница 46: ...f 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 IC904 LM7812 GND 3 OUTPUT 2 INPUT 1 ELEMENT PASS SERIES PROTECTION THERMAL...

Страница 47: ...SP OSDENB SHADOW BSEN CONTROL FRAME WINDOWS LPN 9 DADDR 5 RCADDR VCLKS CWS BORDER LUMA GENERATOR BORDGER LUMINANCE CHARACTER ROM CRADDR DATA CHS CWS BLINK REGISTERS CONTROL VCLKX HDREN ARWDB HORD HSP...

Страница 48: ...48 11 PCB LAYOUT 11 1 MAIN PCB LAYOUT...

Страница 49: ...49 11 2 CRT BOARD LAYOUT 11 3 PFC BOARD LAYOUT...

Страница 50: ...46 IC403 R437 SW901 Q412 R446 C429 R961 R189 R101 Q102 R715 Q425 D859 C113 R102 R709 R708 R866 C407 C719 Q703 R707 R711 ZD704 C859 Q709 C710 R164 R165 Q410 R440 R727 R104 Q850 R865 R872 C913 R811 R837...

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