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Tatung VM9G5DA S995T, Руководство по обслуживанию

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COLOUR MONITOR 

FLAT SCREEN 

 

 

 

 VM9G5DA S995T

 

 

 

 

Service Information 

Содержание VM9G5DA S995T

Страница 1: ...COLOUR MONITOR FLAT SCREEN VM9G5DA S995T Service Information...

Страница 2: ...2 5 5 TRANSISTOR DIODE CIRCUIT 13 15 6 TROUBLE SHOOTING CHART 16 6 1 NO RASTER CRT RELATIVE CIRCUIT PROBLEMS 16 6 2 ABNORMAL DISPLAY 17 6 3 NO BLANKING 18 6 4 HOR OSC DEF HV CIRCUIT FAULT 18 6 5 ABNOR...

Страница 3: ...L Level TTL Level TTL Level Negative Negative Positive Positive Vert Sync TTL Level TTL Level TTL Level TTL Level Negative Positive Positive Positive Horizontal 640 H 720 H 800 H 1024 H Vertical 480 V...

Страница 4: ...13 Humidity 10 to 85 Relative Non Condensing 14 Weight 20 0 Kgs Net 24 0Kgs Gross 21 8 Kgs Net 24 8Kgs Gross for Audio model 15 Dimensions Monitor Carton 574 W x 537 H x 594 D mm Monitor 460 W x 466...

Страница 5: ...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 ex...

Страница 6: ...parts The use of unauthorized substitute parts may create a shock fire or other hazard To determine the presence of high voltage use accurate high impedance HV meter connected between second anode le...

Страница 7: ...TIONS AND PRECAUTIONS 1 Approximately 30 minutes should be allowed for warm up before proceeding 2 Adjustments should be undertaken only on those necessary elements since most of them have been carefu...

Страница 8: ...6500 9300 H SIZE CB CORNER BOTTOM G GAIN H CENTER V C LINEARITY B GAIN V SIZE V S LINEARITY R BIAS VS V SUB SIZE ROTATION G BIAS V CENTER H MOIRE REDUCE G BIAS VC V SUB CENTER V MOIRE REDUCE 9300 COLO...

Страница 9: ...tment a Set mode 7 1024 x 768 Fh 60KHz full white pattern b Brightness set to raster just cutoff and set the contrast to max c Adjust G Gain B Gain R Gain to make color temperature x 283 10 y 297 10 C...

Страница 10: ...s if needed RELATIVE PLACEMENT OF TYPICAL COMPONENTS Purity Magnets Deflection Yoke 4 pole Convergence Magnets 6 pole Convergence Magnets 6 Convergence adjustment A Produce a magenta crosshatch on the...

Страница 11: ...gnal input the Pin32 will output a 61HZ V SYNC free run signal The Pin33 will output a 62 5KHz H SYNC free run signal For the monitor testing use On Screen Display Controller The IC103 is designed for...

Страница 12: ...SD signal input The luminosity of OSD was determined by PIN 25 PIN 15 is clamping signal input that to restore the DC voltage of video signal Video output from pin 18 20 23 and couple to the R G B Amp...

Страница 13: ...ngton Transistor 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 Driver...

Страница 14: ...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 Mode When the off or suspend Mode is Required Q911 MO...

Страница 15: ...5KV CHECK POWER SAVING CIRCUIT H SYNC V SYNC SIGNAL REFER ITEM S M P S CHECK FAILSAFE CKT IC401 PIN 2 RELATIVE CKT CHECK THE VOLTAGE OF CRT HEATER ABOUT 6 3V CHECK CRT S HEATER RELATIVE CIRCUIT CHECK...

Страница 16: ...IRCUIT OF BLANKING CHECK VIDEO IC801 VCC ABOUT 12V CHECK THE OUTPUT VOLTAGE OF IC701 PIN 18 20 23 ABOUT 3Vpp CHECK THE PIN 2 OF P802 CONNECTOR 12V CHECK THE RELATIVE CIRCUIT OF IC801 CHECK THE B VOLTA...

Страница 17: ...VDC CHECK IC401 PIN10 RELATIVE CIRCUIT CHECK IC801 PIN 26 30 RELATIVE CIRCUIT CHECK IC401 PIN8 Waveform ABOUT 10Vpp CHECK THE DRAIN VOLTAGE OF Q402ABOUT 40Vpp CHECK Q402 T401 RELATIVE CIRCUIT CHECK T4...

Страница 18: ...IC101 PIN 20 21 22 23 CS SWITCHER IC403 READJUST SIDEPIN FUNCTION VALUE CHECK IC101 Q404 Q405 Q406 RELATIVE CKT CHECK IC101 PIN9 10 IC401 PIN18 19 READJUST V SIZE FUNCTION VALUE CHECK THE IC601 PIN 7...

Страница 19: ...HE SOURCE CABLE CONNECTION CHECK POWER SUPPLY CIRCUIT CHECK IC501 IC501 FAILURE SPEAKER FAILURE CHECK THE VOLTAGE OF IC801 PIN 6 9 22 ABOUT 12V CHECK THE SIGNAL INPUT OF R G B ABOUT 0 7Vpp CHECK 12V R...

Страница 20: ...NO NG OK NG OK NG OK NG NG OK OK OK CHECK AC LINE VOLT 120V OR 220V CHECK F901 SW901 CHECK LINE RECTIFIED SMOOTHED VOLT CHECK MAIN POWER CKT CHECK D901 D902 D903 D904 CHECK POWER SAVING CKT OFF MODE...

Страница 21: ...7 MECHANICAL OF CABINET FRONT DIS ASSEMBLY...

Страница 22: ...RECYCLE LABLE 40A 152 512 RECYCLE LABLE 40A 153 74 2 CRT WARNING LABEL 40A 154 501 1 HI POT LABEL 40A 154 14 1 CABINET LABLE 40A 581 26 659 HI VOLTAGE LABEL 40A 581 695 1A SERIES LABEL 40A 2029 695 2B...

Страница 23: ...00V C415 65A 517K 103 1A 10000PF Z5F 500V C418 63A 210J 432 8MK 4300PF 2KV 5A C419 63A 210J 432 5FC 4300PF 1KV 5 C425 63A 210J 224 3CJ 0 22UF 15A 400V C426 63A 210J 684 2CC 0 68UF 250V 5 250V C428 63A...

Страница 24: ...0 61A 58 101 UJ NTCR 100 OHM 15 NR901 61A 58 8T L NTCR P701 33A 3803 3 WAFER EHE P402 33A 3192 4 4P PLUG P903 33A 8009 3 3P PLUG PR901 61A 52 27 5W PTCR 14 OHM Q410 57A 600 4 MOS FET IRF630 Q412 57A 6...

Страница 25: ...402 79A 785F 1 AH PEA760A SAMPO FBT T701 79A 167 112 HJA DRIVER X FMR T901 80A 769 2 HJA X FMR 600UH T903 79A 167 111 HJA DRIVER X FMR TP401 9A 211 2 PIN TP701 9A 211 2 PIN TP901 9A 211 2 PIN TR901 9A...

Страница 26: ...MPE C409 67A 309 100 7T 10Uf 20 50V C410 65A 442 470 13T 47PF 5 50V NPO C412 65A 444 101 5T 100PF 10 50V Y5P C413 65A 444 101 5T 100PF 10 50V Y5P C415 65A 517K 103 1T 10000PF Z5F 500V C416 67A 309 10...

Страница 27: ...IN COATED D104 95A 90 23 TIN COATED D401 95A 90 23 TIN COATED D402 93A 64 19G 52T DIODE ISS83 HITACHI D403 93A 64 11 52T DIODE IN4148 D405 93A 1002 1P 52T IN5817 1A 20V D406 93A 1060 6 52T BYV26C D407...

Страница 28: ...3 TIN COATED J030 95A 90 23 TIN COATED J031 95A 90 23 TIN COATED J032 95A 90 23 TIN COATED J033 95A 90 23 TIN COATED J034 95A 90 23 TIN COATED J036 95A 90 23 TIN COATED J037 95A 90 23 TIN COATED J038...

Страница 29: ...5A 90 23 TIN COATED J115 95A 90 23 TIN COATED J116 95A 90 23 TIN COATED J118 95A 90 23 TIN COATED J119 95A 90 23 TIN COATED J120 71A 55 19 T BEAD J121 95A 90 23 TIN COATED J122 95A 90 23 TIN COATED J1...

Страница 30: ...HMPS A44 Q905 57A 420 P T TR 2SA733P NEC Q906 57A 419 P T TR 2SC945P NEC Q910 57A 419 P T TR 2SC945P NEC Q912 57A 446 1 T TR 2SC1213AC Q913 57A 419 P T TR 2SC945P NEC Q914 57A 419 P T TR 2SC945P NEC...

Страница 31: ...52T 13K OHM 5 1 4W R420 61A 172 103 52T 10K OHM 5 1 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 R...

Страница 32: ...61A 602 102 52T 100 OHM 5 1 6W R714 61A 602 102 52T 100 OHM 5 1 6W R715 95A 90 23 TIN COATED R718 61A 602 103 52T 10K OHM 5 1 6W R719 61A 602 473 52T 47K OHM 5 1 6W R720 61A 602 125 52T 1 2M OHM 5 1 6...

Страница 33: ...2 471 52T 470 OHM 5 1 4W R983 61A 602 223 52T 22K OHM 5 1 6W ZD101 93A 39 73 52T ZD HZ6B1 ZD401 93A 39 514 52T ZD H29A3 ZD402 93A 39 73 52T ZD HZ6B1 ZD404 93A 39 52 52T ZD HZ5C2 5 1V 5 0 5W ZD405 93A...

Страница 34: ...50V C832 65A 442 330 13T 33PF 5 NPO 50V C833 65A 442 330 13T 33PF 5 NPO 50V C834 65A 442 330 13T 33PF 5 NPO 50V C835 65A 442 330 13T 33PF 5 NPO 50V C836 65A 442 330 13T 33PF 5 NPO 50V C837 67A 70 109...

Страница 35: ...5A 90 23 TIN COATED J809 95A 90 23 TIN COATED J810 95A 90 23 TIN COATED J811 95A 90 23 TIN COATED J812 95A 90 23 TIN COATED J813 95A 90 23 TIN COATED J814 95A 90 23 TIN COATED J815 95A 90 23 TIN COATE...

Страница 36: ...OHM 5 1 6W R845 61A 602 510 52T 51 OHM 5 1 6W R846 61A 602 510 52T 51 OHM 5 1 6W R847 61A 602 510 52T 51 OHM 5 1 6W R848 61A 175L 131 52T 130 OHM 5 1 2W R849 61A 175L 131 52T 130 OHM 5 1 2W R850 61A 1...

Страница 37: ...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 3 PIN 12V REG L7812CV PARTS LIST OF Q901 A...

Страница 38: ...TS LIST OF Q418 ASS Y LOCATION PARTS No SPECIFICATION 2A 6003 1 SCREW NUT 90A 6015 1 HEAT SINK M1A 1730 8 128 SCREW Q418 57A 600 504 POWER MOSFET IRF634A PARTS LIST OF CN901 ASS Y LOCATION PARTS No SP...

Страница 39: ...IC903 2 12V 7V 20V 29V 54V 80V POWER SAVING IC904 Q914 Q915 SMOOTHED RECTIFIED OUTPUTS TRANSFORMER POWER T901 3 R928 MOSFET POWER Q901 6 IC901 START UP Q904 7 CONTROL PWM AC 90 264 CN901 LINE FILTER L...

Страница 40: ...401 HOR O P Q806 D810 HORIZONTAL DRIVE T801 Q804 Q805 BIAS ADJUST Q715 Q725 Q735 HORIZONTAL DY DY VERTICAL VERTICAL O P IC601 VIODE O P Q712 Q722 Q732 Q711 Q721 Q731 RGB RGB RGB CONTROL B PWM T902 Q91...

Страница 41: ...ON INVERTING INVERTING INVERTING INPUT 4 INPUT 4 INPUT 2 INPUT 2 NON INVERTING NON INVERTING INVERTING INVERTING INPUT 1 INPUT 1 25 24 23 22 21 20 19 18 17 16 26 27 28 29 30 15 14 13 12 11 31 32 33 34...

Страница 42: ...9 8 7 6 5 4 3 2 1 A3 A3 A3 A2 A2 A2 OSD CONTRAST CONTROL CONTRAST CONTROL CONTROL CONTROL CONTROL DRIVE DRIVE DRIVE DRIVE DRIVE DRIVE ATTENUATOR ATTENUATOR ATTENUATOR ATTENUATOR ATTENUATOR ATTENUATOR...

Страница 43: ...TOR ADDRESS BUS INTERFACE BL AN K FB KG C VDREN NROW 5 LPN 8 DATA IC401 TDA4856 CONTROL H SIZE AND V SIZE 9 2 1 30 29 28 27 26 8 5 3 4 6 32 20 13 12 11 31 21 22 24 23 14 16 17 19 18 10 7 25 15 B STAGE...

Страница 44: ...11 0 PCB LAYOUT MAIN PCB LAYOUT...

Страница 45: ...CRT BOARD LAYOUT...

Страница 46: ...H105 SW103 SW104 SW105 C420 R445 R603 C412 C413 R412 R416 Q101 R186 R431 R162 R404 Q411 R413 C905 D905 Q408 Q802 R857 R854 C828 Q808 D809 D808 L801 R842 R836 R820 C816 R819 C815 C818 C814 C817 R821 C8...

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