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SERVICE MANUAL

Design and specifications are subject to change without notice.

COLOR TELEVISION RECEIVER

MT1132A

ORIGINAL

MFR’S VERSION A

Содержание MT1132A

Страница 1: ...SERVICE MANUAL Design and specifications are subject to change without notice COLOR TELEVISION RECEIVER MT1132A ORIGINAL MFR S VERSION A ...

Страница 2: ...eas file the revision with the original version COLOR TELEVISION RECEIVER MT1132A ORIGINAL 2 MFR S VERSION P K F MFR S VERSION A PCB010 TMX494B TMX494A TU001 TECC1040PG32D NJH3022U268 V801 A34AGT13X98 L P A34JXV70X53N45 ...

Страница 3: ...KB04L2K CC 330 PF 50V B C805 CS0KB04K2K CC 270 PF 50V B CS0KB04L2K CC 330 PF 50V B C806 CS0KB04K2K CC 270 PF 50V B CS0KB04L2K CC 330 PF 50V B CP401 069X450029 CONNECTOR PCB SIDE B05B DVS 069D450049 CONNECTOR PCB SIDE TD 50 5P PCB010 A3J812A010 MAIN PCB ASS Y VERSION K TMX494B A3J804C010 MAIN PCB ASS Y VERSION K TMX494B MAIN PCB s are not interchangeable ELECTRICAL REPLACEMENT PARTS LIST REF NO MFR...

Страница 4: ...M3J8 12C K193004 SPEC NO O R NO ...

Страница 5: ... MANUAL Design and specifications are subject to change without notice COLOR TELEVISION RECEIVER MT1132A ORIGINAL 1 MFR S VERSION F K K F MFR S VERSION A PCB010 TMX494B TMX494A TUNER TECC1040PG32D NJH3022U268 ...

Страница 6: ...han 15 minutes Receive the VHF HIGH 63dB Connect the digital voltmeter to R606 Activate the adjustment mode display of Fig 1 1 and press the channel button 02 on the remote control to select RF AGC DELAY Press the VOL UP DOWN button on the remote control until the digital voltmeter is 2 7 0 05V MFR S VERSION K ...

Страница 7: ...SCRIPTION PART NO DESCRIPTION TU001 0145W00052 TUNER VHF UHF NJH3022U268 0145K00055 TUNER VHF UHF TECC1040PG32D R622 R903N8121J RC 120 OHM 1 8W R903N8271J RC 270 OHM 1 8W PCB010 A3J812A010 MAIN PCB ASS Y VERSION F TMX494B A3J812A010 MAIN PCB ASS Y VERSION K TMX494B MAIN PCB s are interchangeable REF NO ELECTRICAL REPLACEMENT PARTS LIST MFR S VERSION F MFR S VERSION K MFR S VERSION A MFR S VERSION ...

Страница 8: ...M3J8 12A K163004 SPEC NO O R NO ...

Страница 9: ... 200mV 20µs div 7 9 200mV 20µs div CHROMA 0 5V 5ms div 10 11 1V 20µs div 12 1V 20µs div 1V 20µs div 13 8 20V 20µs div 3 200mV 20µs div DEFLECTION CRT 14 0 5V 5ms div 15 20V 20µs div H 1 NOTE The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram ...

Страница 10: ...0µs div SOUND AV 0 5V 1ms div 23 10V 5ms div 18 10V 5ms div 19 1V 1ms div 24 50V 20µs div 20 NOTE The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram H 2 25 500mV 1ms div WAVEFORMS 26 500mV 20us div ...

Страница 11: ...ICAL EXPLODED VIEW I 1 111 112 201 201 201 201 201 107 204 110 FB401 PCB010 MAIN PCB 204 110 110 TU001 203 203 203 203 L503 V801 108 J801 PCB110 CRT PCB J352 109 204 106 202 SP351 104 105 202 202 103 102 101 ...

Страница 12: ...AN 108 741WUA0019 SPRING EARTH 109 800WQ00044 FELT SHEET 5x50xT0 5 110 HEAT SINK 111 702WPAA134 CABINET BACK 112 722A08A072 SHEET RATING 201 8117540A64 SCREW TAPPING B0 TRUSS 4x16 202 8110630A04 SCREW TAP TITE P BRAZIER 3x10 203 8121J50B54 SCREW TAPPING B0 GW20 5x28 204 8109I30A04 SCREW TAP TITE B WH7 3x10 JB5U0200 POLY BAG J3J81201 INSTRUCTION BOOK J4C80417 REGISTRATION CARD 793WCDA919 GIFT BOX 7...

Страница 13: ...M CMP 0 1 UF 250V ECQUL JACKS C506 CB3LF0M14M CC 0 01 UF 250V J352 0602121012 JACK RCA 3 5 HSJ1403 01 010 C508 CB3LF0M14M CC 0 01 UF 250V J702 060Q401077 RCA JACK AV1 09D 3 C511 E02LU5010M CE 1 UF 50V J703 060Q401076 RCA JACK AV1 09D 4 C514 C0JLYR7U2K CC 680 PF 2KV YR J801 066X120014 SOCKET CRT HPS3200 10501 C515 E02LT2471M CE 470 UF 16V SWITCHES C517 C0JLYR7Q2K CC 470 PF 2KV YR SW101 0504201T31 S...

Страница 14: ...RANSMITTER RC DW010 TU001 0145W00052 TUNER VHF UHF NJH3022U268 V801 098Q1404B2 CRT W DY A34AGT13X98 L X101 1001T8R004 CERAMIC OSCILLATOR EFOEC8004T4 X602 100CT3R505 CRYSTAL HC 49 C 3 579545MHz RESISTOR RC CARBON RESISTOR CAPACITORS CC CERAMIC CAPACITOR CE ALUMI ELECTROLYTIC CAPACITOR CP POLYESTER CAPACITOR CPP POLYPROPYLENE CAPACITOR CPL PLASTIC CAPACITOR CMP METAL POLYESTER CAPACITOR CMPL METAL P...

Страница 15: ...M3J8 12A K123003 SPEC NO O R NO ...

Страница 16: ...ile the electric current is flowing 3 USE THE DESIGNATED PARTS The parts in this equipment have the specific characters of incombustibility and withstand voltage for safety Therefore the part which is replaced should be used the part which has the same character Especially as to the important parts for safety which is indicated in the circuit diagram or the table of parts as a mark the designated ...

Страница 17: ...NT CONTENTS GENERAL SPECIFICATIONS DISASSEMBLY INSTRUCTIONS SERVICE MODE LIST CONFIRMATION OF USING HOURS NOTE FOR THE REPLACING OF MEMORY IC ELECTRICAL ADJUSTMENTS MAJOR COMPONENTS LOCATION GUIDE BLOCK DIAGRAM PRINTED CIRCUIT BOARDS MAIN CRT SCHEMATIC DIAGRAMS MICON TUNER CHROMA TV POWER DEFLECTION CRT SOUND AV WAVEFORMS MECHANICAL EXPLODED VIEW MECHANICAL REPLACEMENT PARTS LIST ELECTRICAL REPLAC...

Страница 18: ...r Source AC 120V AC 60Hz DC Power Consumption at AC 54 W at AC 120 V 60 Hz Stand by at AC 5 W at AC 120 V 60 Hz Per Year kWh Year Protector Power Fuse Yes G 4 Regulation Safety UL Radiation FCC X Radiation DHHS G 5 Temperature Operation 5oC 40oC Storage 20oC 60oC G 6 Operating Humidity Less then 80 RH G 7 On Screen Menu Yes Display Menu Type Character Picture Yes Contrast Yes Brightness Yes Color ...

Страница 19: ...al Keys 27 Keys Keys Power Yes 1 Yes 2 Yes 3 Yes 4 Yes 5 Yes 6 Yes 7 Yes 8 Yes 9 Yes 0 Yes 100 No CH Up Yes CH Down Yes Volume Up Yes Volume Down Yes TV Caption Text Yes CH1 CH2 Yes TV Video TV AV Yes CH RTN CH ENT Quick View Yes Sleep Yes RE Call Call Yes Reset Yes Menu Yes Enter Yes Mute Yes Exit No MTS Audio Select No Set Yes Set Yes Multi Brand Keys CH Up VCR No CH Down VCR No Pause Still No T...

Страница 20: ...ze x pcs OEM Brand No AC Cord No AV Cord 2Pin 1Pin No Registration Card Yes PTB Sheet No 300 ohm to 75 ohm Antenna Adapter No G 13 Interface Switch Front Power Yes System Select No Main Power SW No Sub Power No Channel Up Reset Yes Channel Down Enter Yes Volume Up Set Up Yes Volume Down Set Down Yes MENU Volume Up Volume Down Yes Rear AC DC No TV CATV Selector No Degauss No Main Power SW No Indica...

Страница 21: ...ion of Origin No Gift Box Yes Material Double Brown Dimensions W x D x H mm 408 x 440 x 380 Design As per Buyer s Description of Origin Yes Drop Test Natural Dropping At 1 Corner 3 Edges 6 Surfaces Height cm 62 Container Stuffing 866 Sets 40 container G 17 Cabinet Material Cabinet Front PS 94V0 DECABROM Cabinet Rear PS 94V0 DECABROM A3 4 ...

Страница 22: ...lip up the sides of the Rubber Cap in the direction of the arrow and remove one side of the support Refer to Fig 1 2 2 GND on the CRT Screwdriver Alligator Clip Support CRT GND on the CRT Rubber Cap CRT Support Fig 1 2 3 After one side is removed pull in the opposite direction to remove the other NOTE Take care not to damage the Rubber Cap INSTALLATION 1 Clean the spot where the cap was located wi...

Страница 23: ...G 1 Initial setting content of MEMORY IC POWER ON total hours 16 x 16 x 16 x thousands digit value 16 x 16 x hundreds digit value 16 x tens digit value ones digit value NOTE FOR THE REPLACING OF MEMORY IC If a service repair is undertaken where it has been required to change the MEMORY IC the following steps should be taken to ensure correct data settings while making reference to TABLE 1 Table 1 ...

Страница 24: ...trol until the digital voltmeter is 2 3V 1 2 3 4 5 BEFORE MAKING ELECTRICAL ADJUSTMENTS 2 2 CUT OFF 1 2 3 4 Adjust the unit to the following settings R DRIVE 10 B DRIVE 10 R BIAS 64 G BIAS 64 B BIAS 64 BRIGHTNESS 100 CONTRAST 64 Place the set with Aging Test for more than 15 minutes Activate the adjustment mode display of Fig 1 1 and press the channel button 01 on the remote control to select CUT ...

Страница 25: ...he TV AV button on the remote control to set to the AV mode Then perform the above adjustments 3 4 1 2 3 4 5 6 7 2 11 SUB BRIGHTNESS NORMAL 2 6 HORIZONTAL PHASE 1 2 3 Receive the center cross signal from the Pattern Generator Activate the adjustment mode display of Fig 1 1 and press the channel button 05 on the remote control to select H PHASE Press the VOL UP DOWN button on the remote control unt...

Страница 26: ... color bar generator from the green raster pattern to the crosshatch pattern Combine red and blue of the 3 color crosshatch pattern on the center of the screen by adjusting the pair of 4 pole magnets Combine red blue magenta and green by adjusting the pair of 6 pole magnets Adjust the crosshatch pattern to change to white by repeating steps 6 and 7 Turn the unit on and let it warm up for at least ...

Страница 27: ...MAJOR COMPONENTS LOCATION GUIDE D3 1 MAIN PCB FOCUS VOLUME SCREEN VOLUME FB401 CP601 HS402 TU001 CRT PCB TP401 R606 J801 TP022 TP023 ...

Страница 28: ...UP VOL DOWN CH DOWN OS101 1 REMOCON 10 AC IN 4 SDA 5 SCL 4 34 SCL1 32 SDA1 6 5 MEMORY IC IC199 S 24C02BDP 1A 2 5 10 17 8 UNREG 12V 7 3 AUDIO OUT REG OUT R OUT G OUT B OUT START UP VCC H OUT X TAL RF AGC OUT VIF IN 1 VIF IN 2 V PULSE OUT SCL SDA MCU RESET V OUT KEY2 26 3 SDA SCL 12 INV FBP OUT 1 H SYNC 27 39 BLANK BL FAST BLK 20 B IN 40 BLUE B 28 41 GREEN G G IN 30 R IN 42 RED R 17 CVIN 40 Y SW OUT...

Страница 29: ...8 W047 L501_1 SW103 CP601 HEATER AFC GND ABL 180V 8V 12V 25V B COL W049 D602 D601 C647 W831 W803 C519_1 C642 W051 W052 D518 W053 R 6 2 9 W054 W058 W061 W062 CP802B L801_1 J801 CP801 R806 Q803 Q801 Q802 R804 R802 TP024 TP022 TP023 C801 W067 W068 T502 HS501 Q606 D001 R426 C403 C448 C407 R504 D505 C517_2 D513 W072 W816 R508 L605_2 C635 TP401 D519 C624 HS401 IC401 C P4 01 Q507 W078 R641_1 R500_1 R805 ...

Страница 30: ... R611 R634 R615 R622 R635 R639 R633 R114 R625 R103 C626 R603 R602 R128 R101 R126 R406 R419 R420 R354 R359 R111 R617 R636 R702 R353 R628 R512 R519 R513 R632 C805_1 R811 C804_1 R809 C806_1 R814 R813 R815 R816 R357 R620 C120 R130 R127 R105 R007 C353 R506 R509 R627 R131 R626 C655_1 R360 C140 R646 C135_1 17 33 49 1 PRINTED CIRCUIT BOARDS MAIN CRT CHIP MOUNTED PARTS SOLDER SIDE F 3 F 4 ...

Страница 31: ...10 CH UP SW102 SKHVBED010 CH DOWN SW103 SKHVBED010 VOL UP SW104 SKHVBED010 VOL DOWN SW105 SKHVBED010 POWER TU001 NJH3022U268 1 10 11 12 13 14 15 2 3 4 5 6 7 8 9 C118 470 6 3V YK IC199 S 24C02BDP 1A MEMORY IC 1 2 3 4 5 6 7 8 GND B Vout OS101 PIC 28143SY 2 1 2 3 IC101 OEC7045B MICON IC 1 10 11 12 13 14 15 16 17 18 19 2 20 21 22 23 24 25 26 27 28 29 3 30 31 32 33 34 35 36 37 38 39 4 40 41 42 5 6 7 8 ...

Страница 32: ...LATEST AT THE TIME DANS LA NOMENCLATURE DES PIECES N UTILISER QUE CELLS DECRITES DANGEREUSES AN POINT DE VUE SECURITE ETANT LES PIECES REPAREES PAR UN ATTENTION DESCRIBED IN PARTS LIST ONLY CRITICAL FOR SAFETY USE ONES ARE SINCE THESE PARTS MARKED BY CAUTION D602 MTZJ8 2B D610 MTZJ12B D611 MTZJ12B D612 MTZJ12B W806 W827 W816 W817 W810 W818 L606 2 2uH L607 15uH L601_2 1 2uH DEFLECTION SIGNAL B SIGN...

Страница 33: ...H THE DIGITAL TESTER WHEN THE COLOR BROADCAST WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL NOTE C505 0 1 250V ECQUL C501 0 0068 M C516 470P 500V B C502 0 001 500V B C506 0 01 250V KH C503 0 001 500V B C509 0 047 M C517_2 470P 2KV YR C508 0 01 250V KH C514_1 680P 2KV YR C511 1 50V YK C526_1 220 200V YK R508 2 7K 1 4W R513 5 6K R500_1 2 7M 1 2W 10 R520 150K 1 2W R512 2 2K R511 1 2M 1 4W R510...

Страница 34: ... R420 3 3K R802 2 7K 1 4W R804 2 7K 1 4W R806 2 7K 1 4W R410 330 1 2W R415 820 1 2W R814 560 R816 4 7K R811 560 R809 560 R413 4 7K 1 2W R426 2 7K 1 4W R446 4 7K 1 2W R403 22K 1 4W R427 100 1 4W R402 6 8 1 2W R407 2 2 1 2W R406 1K R645 47 1 2W R411 10K R419 470 R418_1 22K 1 4W R417_1 10K 1 4W R423 470 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE ...

Страница 35: ... R360 68K OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME DANS LA NOMENCLATURE DES PIECES N UTILISER QUE CELLS DECRITES DANGEREUSES AN POINT DE VUE SECURITE ETANT LES PIECES REPAREES PAR UN ATTENTION DESCRIBED IN PARTS LIST ONLY CRITICAL FOR SAFETY USE ONES ARE SINCE THESE PARTS MARKED BY CAUTION W803 C351 1 50V KA C354 470 10V YK IC351 AN7511...

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