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Memorex MT1120S, Service Manual

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Memorex MT1120S Service Manual Download Page 2

C001

R007

R006

R352

R357

Q351

C351_1

C363_1

R101

R123

R102

R122

R120

R109

R121

R104

R124

R105

R106

R107

C117_1

C116_1

R119

R116

R117

C114

C113

R112

R113

R110

IC101

R115

R130

R129

C120

C121_1

C618

R639

R628

R633

R609

R622

R615

R635

R611

R634

C616

R603

R621

R638

R642

R646

IC601

R613

R601

R614

R619

R605

R604

R626

R624

R617

R616

R644

C607

C639

C634

R618

R860

C874

C879

C883

C881

R864

R866

C886

C888

C884

R863

C882

C880

R859

C636

C631

C119

Q352

R636

R132

R127

C004

R861

R862

R865

R867

R749

C661

C101

R645

R361

C103

C621

C626

R103

R625

R629

C125

Q702

Q701

C623_1

R111

C127

R114

C128

C129

R133

R648

R816

R815

R813

R814

C806

R809

C804

R811

C805

R512

R134

R513

R519

C708

R362

R420

R419

C411_1

R406

R858

R703

R704

Q707

Q705

R126

R128

R137

C648

C652

C653

R650

R518

R516

R855

R854

C867

C862

C864

IC852

C866

C868

C863

C858

R640

Q610

R850

C647_1

R647

C650

R637

R709

R853

C359_1

C358_1

R740

R606

R857

R708

R851

R716

Q852

R852

Q851

C707

Q706

R727

R729

R602

W814

W808

W033

W159

R510

R511

R508

C651_1

W164

W165

W843

C130

R135

R652

PRINTED CIRCUIT BOARDS

MAIN/CRT (CHIP MOUNTED PARTS)

SOLDER SIDE

F-3

F-4

17

33

49

1

Summary of Contents for MT1120S

Page 1: ...SERVICE MANUAL COLOR TELEVISION RECEIVER ORIGINAL MFR S VERSION E MT1120S Design and specifications are subject to change without notice...

Page 2: ...132 R127 C004 R861 R862 R865 R867 R749 C661 C101 R645 R361 C103 C621 C626 R103 R625 R629 C125 Q702 Q701 C623_1 R111 C127 R114 C128 C129 R133 R648 R816 R815 R813 R814 C806 R809 C804 R811 C805 R512 R134...

Page 3: ...16V KA C003 4 7 50V KA C002 470 6 3V YK C122 1 50V KA C124 0 1 50V KA C129 220P CH C121_1 200P CH C117_1 47P CH C116_1 47P CH C120 0 001 B C128 220P B C127 220P B C125 0 01 F C103 0 1 F C101 0 022 F C...

Page 4: ...KA C604 1 50V KA C655 0 22 50V KA C656 2 2 50V KA C658 1000 6 3V YK C620 0 0068 M C647_1 0 01 B C623_1 120P CH C651_1 100P CH C650 220P B C613 1 TF C634 0 01 F C636 0 01 F C616 15P CH C631 0 01 F C62...

Page 5: ...NGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME R403_1 6 8K 1 2W R416 1 1 2W R427 100 1 4W R446 4 7K 1 2W R806 2 7K 1 4W R804 2 7K 1 4W R802 2 7K 1 4W R445 220K 1 4W R421 220K...

Page 6: ...TANT LES PIECES REPAREES PAR UN ATTENTION OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME R509 1 8K 1 4W R500_2 2 7M 1 2W 10 R508 2 7K R512 2 2K...

Page 7: ...2 0 47 F C880 0 022 F C884 0 033 B C863 0 022 B C866 0 1 F C868 0 1 F C867 0 1 F C864 0 1 F C862 0 047 B C858 0 022 B C358_1 0 047 B C359_1 0 047 B C885 47 16V KA C357 47 16V KA C352 4 7 50V MHE C872...

Page 8: ...729 1K R727 1K R708 75 R702 10 1 4W R721 1K 1 4W R720 1K 1 4W R740 75 C712_1 470 10V YK C720_1 10 50V YK C706_1 1 50V YK C704 10 16V KA C703 10 16V KA C705 4 7 50V KA C702 10 16V KA C701 10 16V KA C71...

Page 9: ...354_1 MS 2D6SB02 8 OHM 2 5W CD352 CH25088A 1 2 3 4 5 CD701 CH28110A 1 2 3 4 5 6 7 8 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME W860 W861 A_I...

Page 10: ...aveforms were measured at the point of the corresponding balloon number in the schematic diagram 6 0 5V 20 s div 200mV 20 s div 7 8 20V 20 s div 0 5V 5ms div 10 11 1V 20 s div 15 20V 20 s div 12 1V 20...

Page 11: ...point of the corresponding balloon number in the schematic diagram H 2 200V 20 s div 17 22 50V 20 s div 25 200mV 1ms div SOUND AMP WAVEFORMS 26 200mV 1ms div 10V 5ms div 18 10V 5ms div 19 0 5V 1ms div...

Page 12: ...1 PCB010 MAIN PCB FB101 202 203 203 203 203 107 107 107 107 116 L503 116 116 116 V801 108 PCB110 CRT PCB J801 111 114 204 204 204 204 204 115 204 204 204 205 201 201 101 103 102 105 104 106 112 201 20...

Page 13: ...T CRT SERVICEMAN 113 8995034000 CORD CLIP UL CO 114 702WPAA129 CABINET BACK 115 722A08A081 SHEET RATING 116 769WSAA003 WASHER 9 5x22xT2 201 8110630A04 SCREW TAP TITE P BRAZIER 3x10 202 8110630802 SCRE...

Page 14: ...2KV YR IC853 I1KJ98L090 IC KIA78L09BP AT C446 E5EZTB010M CE 1 UF 160V or IC854 I06DF62420 IC M62420SP E53ZTB010M CE 1 UF 160V VZ or TRANSISTORS E53ZTD010M CE 1 UF 250V VZ Q351 T8YJ2412K0 TRANSISTOR SI...

Page 15: ...TPS4 5MB TF21 CP401 069X450029 CONNECTOR PCB SIDE B05B DVS CP501 0697320039 CORD UX CONNECTOR THL P03P B1 CP502 069W420029 CONNECTOR PCB SIDE TV 50P 02 A1 CP601 0694260139 CONNECTOR PCB SIDE 173979 6...

Page 16: ...M3G8 53J SPEC NO O R NO W143007...

Page 17: ...ock while 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 wh...

Page 18: ...OCATION GUIDE BLOCK DIAGRAM PRINTED CIRCUIT BOARDS MAIN CRT STEREO JACK MAIN CRT SCHEMATIC DIAGRAMS MICON TUNER CHROMA DEFLECTION CRT TV POWER SOUND AMP AV STEREO JACK WAVEFORMS MECHANICAL EXPLODED VI...

Page 19: ...7 ch 13 ch CATV A5 ch I ch J ch W 29 ch GGG ch W 84 ch UHF 14 ch 69 ch Tuning System Frequency syn Voltage syn Others G 8 Preset Channel channels G 9 Intermediate Frequency Picture fP 45 75 MHz MHz MH...

Page 20: ...o Jack RCA 8 3 BNC Video Input Rear Phono Jack RCA 8 3 BNC Video Output Rear Phono Jack RCA 8 3 BNC Audio Input Front Phono Jack RCA 8 3 x2 Audio Input Rear Phono Jack RCA 8 3 x2 Audio Output Rear Pho...

Page 21: ...g At 1 Corner 3 Edges 6 Surfaces Height 25cm 31cm 46cm 62cm 80cm Container Stuffing 304 Sets 40 container G 30 Accessories Owner s Manual W Guarantee Card English French AC Plug Adapter Channel Film B...

Page 22: ...t 0 Time Select PAL SECAM 1 Time Set Volume Up 2 Muting Volume Down 3 CH Skip CH Call 4 CH1 CH2 CH Down 5 Channel CH Up 6 Text Mix TV CH Down Page Down 7 Display Cancel CH Up Page Up 8 Initial Page 9...

Page 23: ...ip 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 CR...

Page 24: ...83 0010 CRTON ADDRESS DATA FIG 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 N...

Page 25: ...until the digital voltmeter is 3 1V 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 BR...

Page 26: ...1 and press the channel button 06 on the remote control to select V SIZE Press the VOL UP DOWN button on the remote control until the rectangle on the center of the screen becomes square Receive a bro...

Page 27: ...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 C...

Page 28: ...MAJOR COMPONENTS LOCATION GUIDE FOCUS VOLUME SCREEN VOLUME FB401 D3 1 TU001 CRT PCB MAIN PCB J801 TP023 TP022 TP001 VR501 CP601...

Page 29: ...AUSS COIL TH501 5 23 22 21 2 3 2 19 J703 J704 VIDEO AMP IC IC703 NJM2234L 5 3 1 Q851 BUFFER SPEAKER SP355 1 MEMORY IC IC199 S 24C02BDP 1A SCL 1 34 SDA 1 32 10 8 4 MUTE MUTE_SW Q705 Q701 Q702 4 BLOCK D...

Page 30: ...072 W073 W074 W075 W076 W077 W078 W079 R632 W083 W085 W086 W087 W088 W089 W829 R426 D402 R405 D401 HS402 W090 L401 C401_1 R404 Q401_1 W831 W091 C437 R423 C413 L410 R401 W092 C443 W093 R446 C446 C439 Q...

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