Memorex MT1125 Service Manual Download Page 17

IMPORTANT:

FOR SERVICE WORK ALWAYS USE

MAINS ISOLATING TRANSFORMER, CHASSIS IS LIVE.

(IRRESPECTIVE OF POLARITY OF MAINS PLUG)

IMPORTANT:

POUR TOUTE REPARATION UTILISEZ TOUJOURS

LE TRANSFORMATEUR ISOLANT D' ALIMENTATION,

LE CHASSIS EST SOUS TENSION (QUELLE QUE SOIT LA

POLARITE DE LA PRISE D' ALIMENTATION).

PRINTED CIRCUIT BOARDS

MAIN/CRT (INSERTED PARTS)

SOLDER SIDE

F-1

F-2

SW105

SW104

SW103

SW102

C123

TU001

W061

C204

R601

R602

C635

D603

W057

C215

C620

C624

C627

C217

Q602

D606

C644

R604

R625

R626

R643

C637

C615

C617

R607

R605

R609

C004

CF201_1

R614

R649

L205

IC103

R627

R120

C611

C608

C609

C619

R648

C214

C213

C616

C002

C614

C628

D602

D610

W059

R615

C625

IC601

W060

C605

C623

C649

Q604

W033

R660

C211

C203

C201

C646

TP201

C651

D609

C652

Q605

C202

C653

W058

D607

W045

X601

W819

CP101

R002

R001

D001

R136

R141

R145

R132

R130

C134

Q103

Q104

IC199

W047

C121

C111

C102

Q102

Q101

W043

W044

W046

C105

R110

IC104

C120

D101

X101

C101

C107

C131

C103

W048

L704

C777

IC705

C757

C761

R753

C764

C776

C762

C765

C780

C782

C781

C749

C748

R702

R701

C740

C720

C716

C714

C731

C722

C709

C730

C719

C715

C713 C708

W052

W029

CP351

IC351

W034

HS351

C358

C353

C357

W809

R611

W062

W041

SW101

FH501

FH502

F501

RY101

TH501

C133

D126

CP501

L501

C132

C503

R177

C440

D125

D502

D501

C504

D503

D504

R502

CP502

R449

IC501

IC401

IC402

T401_1

C443

R427

C437

C418

D403

W002

W004

R433

R515

R429_1

C507

C448

TP501

C430

L406

C434

D411

R428

C403

C420

R422

CP803A

R506

R509

R401

R405

R408

R508

C519

R503

C417

R418

C427

R417

R416

C429

C425

C415

R414_1

R407_1

CP401_1

W807

C506_1

R446

C446

C439

Q402

W009

R448

R447

W031

W024

Q403

W030

R424

W010

W032

R443_2

D127

Q401

HS401

HS501

W818

W003

W821

W019

W016

W018

W040

W050

W049

W023

R133

C001

D611

W805

W028

W026

C626

R421

R409

R445

L601

W055

W035

Q105

W015

R432

W056

R131

R814

CP806

TP022

TP024

TP023

Q801

Q802

Q803

R806

R804

R802

R807

R805

R803

CP801_1

C806_1

R816

CC004

R813

R809

C804_1

R811

C805_1

C801

C807

R815

J801

CP803B

W006

W806

W802

W051

W054

C136

C643

W063

C426

C405

R501_2

C208

FB401

OS101

C435

W038

W039

R125

C352_1

W066

W811

CP802B

S001

CP802A

W001

C416

C738

C736

C743

C739

C742

C727

C778

C775

R413

CC005

C414

R507

C737

C725

C622

L201

W070

C735

C767

C771

C770

C769

L202

C618

C412_1

W012

W831

C355

C356

TP701

TP702

R114

W025

W007

D410

D408

D404

D406

D407

L701

D605

C433

W008

W022

W053

R425

W005

W068

W042

R411

C404

W017

R426

W069

C351_1

W013

W014

R644

W065

W067

C422

C802_1

R705

VR401

C636

D103

D401

D402

W823

W817

W838

W857

W836

W842

CC002

CC006

W011

R431

D409

C501

S802Y

S802X

R415

C444

Summary of Contents for MT1125

Page 1: ...SERVICE MANUAL Design and specifications are subject to change without notice MT1125 ORIGINAL MFR S VERSION A COLOR TELEVISION RECEIVER...

Page 2: ...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 3: ...HE REPLACING OF MEMORY IC ELECTRICAL ADJUSTMENTS MAJOR COMPONENTS LOCATION GUIDE BLOCK DIAGRAM PRINTED CIRCUIT BOARDS MAIN CRT SCHEMATIC DIAGRAMS MICON TUNER CHROMA DEFLECTION CRT POWER SOUND AMP WAVE...

Page 4: ...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 MHz...

Page 5: ...ront Phono 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 Audio Input Rear Phono Jack RCA 8 3 Audio Output Rear...

Page 6: ...ges 6 Surfaces Height 25cm 31cm 46cm 62cm 80cm Container Stuffing 204 Sets 40 container G 30 Accessories Owner s Manual W Guarantee Card English French AC Plug Adapter Channel Film Battery UM 4 x 2 Re...

Page 7: ...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 Store Program 10 Re...

Page 8: ...f the Anode with the tip of the Screwdriver A cracking noise will be heard as the voltage is discharged Flip up the sides of the Rubber Cap in the direction of the arrow and remove one side of the sup...

Page 9: ...DEFLECTION YOKE Refer to Fig 2 1 1 2 3 4 5 Loosen the screw 1 Remove the Convergence Purity Magnet in the direction of arrow A Loosen the screw 2 Remove the 3 Wedges Remove the Deflection Yoke in the...

Page 10: ...INIT 00 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...

Page 11: ...color bar pattern Activate the adjustment mode display of Fig 2 1 and press the channel button 2 on the remote control The Fig 2 3 appears on the display Adjust the adjustment mode display of Fig 2 3...

Page 12: ...5 Receive the crosshatch pattern Using the remote control set the brightness and contrast to normal position Activate the adjustment mode display of Fig 2 1 and press the channel button 1 on the remot...

Page 13: ...L 400Hz R 2KHz Activate the adjustment mode display of Fig 2 1 and press the channel button 7 on the remote control The Fig 2 9 appears on the display Press the channel button 2 on the remote control...

Page 14: ...the 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 magn...

Page 15: ...D3 1 MAJOR COMPONENTS LOCATION GUIDE TU001 FOCUS VOLUME SCREEN VOLUME FB401 CP101 MAIN VR401 L205 TP201 CP351...

Page 16: ...PUT DY Q101 V BUFFER 17 VS Q102 H BUFFER 18 HS 3 1 5V REG IC402 KIA7805PI 5V 5 XT1 6 XT2 X101 32 768KHz X RAY TEST SW Q403 3 POWER REG IC501 STR30110 D501 D504 RECTIFIER 1 3 F501 AC IN 2 5 L501 DEGAUS...

Page 17: ...FH501 FH502 F501 RY101 TH501 C133 D126 CP501 L501 C132 C503 R177 C440 D125 D502 D501 C504 D503 D504 R502 CP502 R449 IC501 IC401 IC402 T401_1 C443 R427 C437 C418 D403 W002 W004 R433 R 5 1 5 R429_1 C507...

Page 18: ...647 R646 R645 R215 R613 R653 C645 R655 C647 R656 R663 R662 R661 R619 R651 R620 R652 R664 R665 R666 C654 C224 R213 R212 R217 R218 C648 I C 1 0 1 R128 R127 R142 R105 R106 R137 C129 C130 R134 R138 C109 C...

Page 19: ...0 022 M C101 0 01 Y C129 120P SL C130 120P SL C136 0 022 M X101 32 768KHz C102 2 2 50V KA TU001 ENV56D67G3 1 10 11 12 13 14 15 2 3 4 5 6 7 8 9 SW105 SKHVBED010 POWER SW104 SKHVBED010 VOL DOWN SW103 SK...

Page 20: ...20 2 2 50V KA C215 1 50V KA C646 1 50V KA C623 1000 6 3V YK C643 100 6 3V KA C652 100 6 3V KA C202 470 6 3V YK C635 0 22 50V KA C653 47 6 3V KA C624 3 3 50V KA C615 22 16V KA C201 0 01 B C611 0 01 M C...

Page 21: ...419 560 R416 1 1 2W R815 4 7K R816 4 7K R814 200 R813 4 7K R809 200 R806 2 7K 1 4W R804 2 7K 1 4W R802 2 7K 1 4W R420 22K R811 200 R403 18K R406 4 7K R404 2 7K R428 6 8 1 2W R421 220K 1 4W R445 180K 1...

Page 22: ...1 2 MS501 23MICA R515 1 5 3W R509 18K 1 W821 W818 DESCRIBED IN PARTS LIST ONLY CRITICAL FOR SAFETY USE ONES ARE SINCE THESE PARTS MARKED BY CAUTION DANS LA NOMENCLATURE DES PIECES N UTILISER QUE CELLS...

Page 23: ...16V KA C780 47 16V KA C352_1 100 35V MHE C351_1 3300 35V WA C357 4 7 50V MH7 C740 4 7 50V KA C731 0 33 50V KA C730 4 7 50V KA C709 4 7 50V KA C714 4 7 50V KA C716 4 7 50V KA C720 4 7 50V KA C708 4 7 5...

Page 24: ...AVEFORMS NOTE The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram 20V 20 s div 0 5V 20 s div 200mV 5ms div 200mV 20 s div 200mV 5ms div 4 CH...

Page 25: ...t of the corresponding balloon number in the schematic diagram WAVEFORMS 16 1V 20 s div 1V 20 s div 17 10V 5ms div 22 DEFLECTION CRT 18 0 5V 5ms div 10V 5ms div 23 20V 20 s div 50V 20 s div 24 2V 20 s...

Page 26: ...WAVEFORMS H 3 2V 1ms div 35 34 2V 1ms div 1V 1ms div 33 1V 1ms div 32...

Page 27: ...1 201 201 201 I 1 J801 PCB110 CRT PCB ASS Y 118 106 119 118 118 118 V801 119 119 119 L502 113 105 105 117 117 116 114 116 PCB010 MAIN PCB ASS Y 102 202 202 TU001 ATC001 204 202 103 115 105 204 104 120...

Page 28: ...114 7230006873 SHEET BRAND 115 759WPA0006 HOLDER ANODE WIRE 116 762WPA0007 HOLDER CRT WIRE 117 8994201000 HOLDER CRT WIRE 118 769WSA0009 WASHER CRT T 1 119 8111J50D04 SCREW TAPPING A GW22 5x40 120 HEA...

Page 29: ...250009 C418 E5EZF3102M CE 1000 UF 25V L601 021LA6150K COIL 15 UH C433 E02LT4471M CE 470 UF 35V L701 021673101K COIL 100 UH C434 E02LT8220M CE 22 UF 100V L704 021LA6220K COIL 22 UH C437 P411F3564J CMPP...

Page 30: ...51 070C533011 SPEAKER SA04A01DWA TH501 DF20G3R0Q0 DEGAUSS ELEMENT PTH451C460BG3R0Q140T TM101 076R074170 TRANSMITTER R25 1088 TU001 0145S00049 TUNER UHF VHF ENV56D67G3 V801 092T250501 COLOR PICTURE TUB...

Page 31: ...M3I0 02F A953512 SPEC NO O R NO...

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