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0

0

R831

R821

D802

D803

D801

R812

CP804

L801

Q801

Q803

Q802

R829

R830

R828

R806

R808

R804

C808

C811

R819

R817

R810

C810

R811

C812

C807

CP

803B

CP802B

J801

L803

L804

L802

R814

R815

R813

C804

C805

R803

R801

TP804

TP806

TP805

R802

TU001

D603

C004

C002

CP101

CP802A

J701

TP101

J705

R213

C211

C213

C217

L202

R212

W031

W019

W001

D712

L705

C721

C784

C228

C644

W810

C641

C655

TP201

C650

D605

C618

W086

L201

R125

L601

X601

W080

C202

C646

C203

C649

C625

D610

D602

C628

R627

R609

R605

R607

C617

C615

C637

R643

D606

C627

C215

C635

R602

R601

C204

W087

W044

W074

W075

W076

W079

W081

W083

W030

W082

W089

L205

W098

D102

D103

W109

C103

X101

D101

C120

IC104

R110

C105

W125

W123

C102

C121

IC199

C134

R145

R136

W093

W107

W088

R141

W103

R360

C356

C355

C357

W834

C358

C375

IC351

W839

C352

HS351

C374

CP351

W829

C364

C815

C793

C781

IC705

C792

C782

L704

R793

R791

C729

C732

L702

L701

D707

D708

TP702

TP701

C709

C714

C731

C730

C725

C708

C722

C713

R701

R702

C740

C737

W115

W114

W033

SW105

SW104

SW103

SW102

SW101

OS101

J702

J703

C728

C726

W872

W865

W871

W870

W008

W094

W035

W034

W037

W007

W036

D713

W045

W092

R644

C715

C719

C229

C233

C231

C717

W016

R778

W025

W129

W136

C763

L751

L706

L752

C754

DL751

L753

C764

C777

W002

HS503

L501

IC401

IC402

T401

Q405

R554

R553

R510

D520

D519

R529

R514

VR502

C554

C549

R552

Q507

CP502

R502

D521

W132

D501

D502

D528

R532

R533

IC506

C509

D518

C512

R541

C515

R501

R506

R507

B502

R542

IC501

HS501

R503

W133

B505

C507

C

5

3

2

W113

C514

D506

C510

C503

D503

R505

D504

C502

RY501

TH501

L502

R500

CP501

C505

FH502

F501

FH501

T501

C541

D516

F502

FH504

FH503

C540

Q502

R520

R535

Q501

R523

Q504

R518

R515

R440

C521

C517

D510

C560_1

B504

C531

D517

IC502

R526

C518

ICP502

C516

D509

D505

ICP505

R509

W128

C431

R402

L401

R427

R446

C440

C446

CP803A

CP401

L403

C437

C412

C413

L402

C448

C403

D408

R

429

D410

R422

VR401

VR402

VR403

C435

Q404

C411

W112

C410

D404

R423

D406

R435

C426

R415

D413

R413

R426

R447

C405

D411

W062

W028

W024

C417

R417
R418

C434

IC601

C626

D402

D401

R424

C414

D403

C429

D409

C425

C427

C430

C415

R425

R001

D001

R416

R432

R412

R410

R433

R434

R431

C404

R444

R449

R443

R450

W053

R401

W023

W052

D412

Q401

W067

R448

R445

R421

R409

W022

W021

W020

R437

HS502

C418

D507

W056

W084

W005

W006

W009

W060

W071

W808

C718

C232

C230

C706

R114

W027

Q810

Q812

Q811

J704

TP401

W054

W055

C790

W111

CF201

CP806

CP805

W142

C443

W070

W057

W073

W058

W061

W118

W140

W141

W138

W828

W135

W010

W063

W066

W064

W065

C421

W059

W072

W099

C407

C402

W029

R411

CP704

R133

W102

W106

W130

W104

W100

W101

C748

C749

B401

W043

W048

C620

CP702

CP703

W095

W051

W041

CP601

W050

D202

D201

C750

W012

W014

C788

D701

C789

D702

D703

W042

W032

W011

C209

W040

Q403

R611

W090

W078

W091

C786

W026

C747

C746

C774

C785

FB401

W069

W108

W124

W122

D508

CC801

W049

W047

W046

L754

D511

W143

D607

R129

R436

R438

R439

R543

R405

R408

R407

C806

W110

HS504

Q503

W146

C608_1

D514

D608

C813

C762

C220

C123

C106

R451

C526

W147

S802Y

S801Y

S801X

S802X

S805X

S805Y

D415

W116

C111

C716

C720

L703

C707

R750

W149

W150

W038

W039

D407

R616

C219

W137

R355

W119

W121

W120

C651

C365

C623

W850

W018

W017

W849

C433

W151

L505

R521

R519

C422

C423

C401

Q402

W148

W823

W817

W824

W825

W826

W815

W863

W803

C519

C420_1

R354

R359

R442

W857

D704

C501

R390

R391

C363

C354

CD802

CD803

F-1

F-2

PRINTED CIRCUIT BOARDS

MAIN/CRT/COMB (INSERTED PARTS)

SOLDER SIDE

W004

W003

-

REPLACE

AS

MARKED

.

RISK

OF

FIRE

Содержание MT2325

Страница 1: ...SERVICE MANUAL Design and specifications are subject to change without notice MT2325 COLOR TELEVISION RECEIVER ORIGINAL MFR S VERSION A ...

Страница 2: ...hock 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 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 desi...

Страница 3: ...R COMPONENTS LOCATION GUIDE BLOCK DIAGRAM PRINTED CIRCUIT BOARDS MAIN CRT COMB SCHEMATIC DIAGRAMS MICON TUNER CHROMA DEFLECTION CRT TV POWER SOUND JACK SOUND STEREO MONO COMB FILTER WAVEFORMS MECHANICAL EXPLODED VIEW MECHANICAL REPLACEMENT PARTS LIST ELECTRICAL REPLACEMENT PARTS LIST A1 1 A1 1 A1 1 A2 1 A3 1 A3 4 B 1 C 1 C 1 C 1 D1 1 D2 1 D3 1 E 1 E 2 F 1 F 4 G 1 G 2 G 3 G 4 G 5 G 6 G 7 G 8 G 9 G ...

Страница 4: ...69 4A A 5 A 1 A I J W W 1 W 84 G F SECAM F PAL UK Tuning System Frequency syn Voltage syn Others G 8 Preset Channel channels G 9 Intermediate Frequency Picture fP 45 75 MHz MHz MHz Sound fS 41 25 MHz MHz MHz fP fS 4 50 MHz MHz MHz G 10 Stereo Dual TV Sound Yes NICAM GERMAN USA JAPAN No G 11 Tuner Sound Muting Yes No G 12 Power Source 120 V AC 50Hz AC 60Hz G 13 Power Consumption 150 W at AC 120 V 6...

Страница 5: ...nt Phono Jack RCA ø8 3 BNC Video Input Rear Phono Jack RCA ø8 3 BNC Video Output Rear Phono Jack RCA ø8 3 BNC Audio Input Front Phono Jack RCA ø8 3 x2 Audio Input Rear Phono Jack RCA ø8 3 x2 Audio Output Rear Phono Jack RCA ø8 3 x2 21 Pin x DC Jack Center Ear Phone Jack ø3 5 Head Phone Jack ø3 5 AC Outlet Ext Speaker Diversity S Input Front S Input Rear G 24 Indicator Power Stand By On Timer NONE ...

Страница 6: ... Design As Per BUYER s Description of Origin Yes No Drop Test Natural Dropping At 1 Corner 3 Edges 6 Surfaces Height 25cm 31cm 46cm 62cm 80cm Container Stuffing 88 Sets 40 container G 30 Accessories Owner s Manual W Guarantee Card English French AC Plug Adapter Channel Film Battery UM x Remote Control Unit Safety Tip Toll Free Insert Sheet Guarantee Card Audio Video Cord RCA Registration Card Warn...

Страница 7: ...ng 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 Reveal F T B 11 Sleep Hold 12 Aft Skip List Preset Rotate 5 5 6 5MHz Browse 0 10 Auto Memory Std Auto Tone 1 2 Auto Memory Info Call Band Select Mono Auto Reset Search TV Caption Text Menu Clock Program Expand Enter Clock Set Red Add Ch...

Страница 8: ...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 DISASSEMBLY INSTRUCTIONS GND on the CRT Screwdriver Alligator Clip Support CRT GND on the CRT Rubber Cap CRT Support Fig 1 1 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 ...

Страница 9: ...ing 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 NOTE No need the setting...

Страница 10: ... appears on the display Press the channel button 5 on the remote control Adjust the Screen Volume until a dim raster is obtained Read and perform these adjustments when repairing the circuits or replacing electrical parts or PCB assemblies NOTE Use the Channel buttons 1 8 on the remote control to select the options shown in Fig 2 1 Press the Channel button 0 on the remote control to end the adjust...

Страница 11: ...Press the CH DOWN button once to set to COLOR mode Adjust the LEVEL A section of Blue to the LEVEL D section of White by pressing the VOL UP DOWN button on the remote control Refer to Fig 2 6 If the LEVEL A section through C section are not the same compared with D section adjust the LEVEL again 2 4 SUB TINT SUB COLOR TV Fig 2 4 1 BRIGHT 2 CONTRAST 3 COLOR 4 TINT 5 SHARPNESS 6 OSD CONT 7 8 0 RETUR...

Страница 12: ...g the UHF and set to the Noise screen Once turn off the Power and turn on the Power again Approxi 3 seconds later input the Antenna again Connect the digital voltmeter to TP201 Adjust the L205 until the digital voltmeter is 3 1 0 05V 2 13 SEPARATION 1 2 1 2 3 4 5 6 7 Receive the stereo broadcasting signal Connect the AC voltmeter to AUDIO OUT JACK through stereo filter L 400Hz R 2KHz Activate the ...

Страница 13: ...rming adjustments in section 3 1 1 2 3 4 5 Receive the green raster pattern from color bar generator Adjust the pair of purity magnets to center the color on the screen Adjust the pair of purity magnets so the color at the ends are equally wide Move the deflection yoke backward to neck side slowly and stop it at the position when the whole screen is green Confirm red and blue colors Adjust the sla...

Страница 14: ...D3 1 MAJOR COMPONENTS LOCATION GUIDE J701 VR205 TP201 TU001 CP101 FB401 FOCUS VOLUME SCREEN VOLUME VR403 VR402 VR401 MAIN VR502 TP401 ...

Страница 15: ... 21 2 P CON 9V AC IN D501 D504 RECTIFIER F501 Q503 B 100V DRIVE Q502 100V DRIVE Q501 100V SW F502 7 11 3 15 TRANSFORMER SWITCHING T501 3 1 5V POWER REG IC502 KIA7805PI AT 5 6V IC506 ON3171R FEED BACK Q507 FEED BACK SW VR502 B ADJ L503 DEGAUSS COIL RY501 RELAY 3 1 TH501 DEGAUSS ELEMENT 2 3 1 SW REG IC501 STR F6626 Q504 RELAY DRIVE 2 23 2 3 2 2 2 F_A V_IN 4 R_A V_IN J701 9 8 2 AV SW IC702 NJM2245M 5...

Страница 16: ... Q502 R520 R535 Q501 R523 Q504 R518 R515 R440 C521 C517 D510 C560_1 B504 C531 D517 IC502 R526 C518 ICP502 C516 D509 D505 ICP505 R509 W128 C431 R402 L 4 0 1 R427 R446 C440 C446 CP803A CP401 L403 C437 C412 C413 L402 C448 C403 D408 R42 9 D410 R422 VR401 VR402 VR403 C435 Q404 C411 W112 C410 D404 R423 D406 R435 C426 R415 D413 R413 R426 R447 C405 D411 W062 W028 W024 C417 R417 R418 C434 IC601 C626 D402 D...

Страница 17: ... C797 C798 C800 C796 C817 C816 R789 C791 R790 R788 C701 C702 R792 C794 R744 R743 R745 Q704 C743 C742 C739 C735 R705 R723 IC701 Q703 R725 R726 R732 R727 R722 C738 C736 C727 R364 R730 IC702 Q204 Q202 C733 R734 C734 R733 R365 IC751 C759 C761 C756 C760 C755 C758 C757 R753 Q751 R751 C752 R752 C765 C768 C769 R756 C766 C767 R754 R755 Q757 R771 R772Q756 R770 R769 C751 R781 R782 C780 Q752 R759 R757 C772 R7...

Страница 18: ...143SY 2 1 2 3 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 D103 MTZJ6 8B D001 HZ30 3L Q103 2SC2412K X ...

Страница 19: ...SS133 D201 1SS133 D603 11E1N D607 1SS133 D608 1SS133 D606 1SS133 D610 1SS133 D202 1SS133 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 SINC...

Страница 20: ...R431 12K R449 680 1 4W R802 100 R817 220 R813 220 R801 100 R815 220 R829 2 7K 1 4W R828 2 7K 1 4W R447 2 2K R425 180 1 2W R410 330 1 2W R435 560K R450 470 1 4W R437 680K R436 1 5K R444 680 1 4W R438 56K R439 100K R443 47K 1 4W R406 8 2K R427 100 1 4W R446 10K 1 2W R451 10K 1 4W R413 220 1 2W R426 270 1 2W R412 330 1 2W R434 1 5 1 2W R432 1 5K 1 2W R433 1K 1 2W R416 1 1 2W R811 1 8K R803 100 R819 2...

Страница 21: ...540 4 7 160V MHE C510 100 35V MHE C526 470 10V MHE IC502 KIA7805PI 5V POWER REG 1 2 3 R541 2 2K R507 4 7K 1 2W R506 2 7K 1 2W R553 39K 1 2W R554 22K 1 2W R515 10K R535 4 7K R519 68K 1 2W R518 10K 1 4W R502 22 1 2W R509 100K 1 2W R510 120K 1 4W R500 2 7M 1 2W R514 220 R552 10K R532 330 R533 390 R520 10K R521 10K R523 10K D516 1SS133 D518 1SS133 D514 10ELS6 D507 RU2AM D505 21DQ09N D517 1SS133 D506 1...

Страница 22: ...K 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 Q353 2SC2412K MUTE_SW Q351 2SC2412K MUTE SW Q352 2SC241...

Страница 23: ...R703 1K R704 1K R740 75 R709 820 R720 1K R721 1K R733 820 R707 47K R715 2K R739 1 2K R742 1K R774 1 8K R710 47K R712 47K R734 820 R706 47K R778 100K IC702 NJM2245M AV SW 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 DANS LA NOMENCLATURE DES PIECES N UTILISER QUE CELLS DECRITES DANGEREUSES AN POINT DE VUE SECURITE ETANT LES PI...

Страница 24: ...791 100 R788 1K R723 220K R702 100 R701 100 R732 100K R726 100K R790 1 8K R727 470 R725 180K R722 470 R730 180K R705 1 8M OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME D707 MTZJ6 8B D708 MTZJ6 8B C716 4 7 50V NP C720 4 7 50V NP S802Y I2C_SDA I2C_SCL GND P CON 5V SOUND_L SOUND_R TU_AUDIO_OUT P CON 9V FRONT_AUDIO_R FRONT_AUDIO_L AUDIO_OUT_L SO...

Страница 25: ...A R794 1K R770 680 R753 2 2K R759 3 3K R757 1K R758 1K R766 680 R752 1K R751 510 R763 1K R764 1K R756 820 R765 680 R767 1K R769 18K R782 47K R771 6 8K R761 47 R762 180 R781 47K R772 3 3K R754 100 R755 100 R783 12K R784 10K R785 47K R787 10K R786 10K R780 10K R779 10K D701 1SS133 D702 1SS133 D703 1SS133 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT TH...

Страница 26: ...U div 6 0 5V 20U div 21 200V 20U div 20 2V 20U div 19 50V 20U div CHROMA CHROMA MICON TUNER COMB FILTER DEFLECTION CRT DEFLECTION CRT TV POWER STEREO MONO 22 10V 5V div 38 33 1V 20U div 50V 20U div 23 10V 5V div 34 1V 20U div 30 50mV 0 2V div 35 1V 20U div 36 50V 20U div 50mV 0 2V div 31 32 50V 0 2V div 37 50V 20U div The following waveforms were measured at the point of the corresponding balloon ...

Страница 27: ... PCB110 CRT PCB ASS Y 112 113 113 124 127 210 210 210 210 127 127 117 122 128 128 202 201 201 201 201 201 201 201 201 201 128 128 102 103 104 105 106 107 108 109 109 109 110 111 111 208 208 208 208 209 209 209 207 207 207 207 205 203 203 125 126 PCB010 MAIN PCB ASS Y PCB330 COMB PCB ASS Y 130 123 130 130 203 101 114 116 203 203 133 115 ...

Страница 28: ...4 7230006935 FILM DECORATION 125 724WNA0007 SHEET PVC 126 759WPA0006 HOLDER ANODE WIRE 127 762WPA0010 HOLDER CRT WIRE 128 800WQ00038 FELT SHEET 129 800WQ00052 FELT SHEET 130 800WQ00044 FELT SHEET 131 A3I401B890 PANEL ASS Y 132 800WFA0031 CUSHION 30x14xT3 133 7220001109 SHEET HWC 201 8117540B04 SCREW TAPPING B0 TRUSS 4x20 202 8110630A24 SCREW TAP TITE P BRAZIER 3x12 203 8110630A04 SCREW TAP TITE P ...

Страница 29: ...02 C01BBP713K CC 0 001 UF 2KV BP D607 D1VT001330 DIODE SILICON 1SS133T 77 C404 E02LT2471M CE 470 UF 16V D608 D1VT001330 DIODE SILICON 1SS133T 77 C405 E02LT2471M CE 470 UF 16V D610 D1VT001330 DIODE SILICON 1SS133T 77 C412 P411F3105J CMPP 1 UF 250 V ECWF D701 D1VT001330 DIODE SILICON 1SS133T 77 C413 P411F3105J CMPP 1 UF 250 V ECWF D702 D1VT001330 DIODE SILICON 1SS133T 77 C414 E5EZT4101M CE 100 UF 35...

Страница 30: ...CTOR THL P03P B1 Q803 TC3Q040750 TRANSISTOR SILICON 2SC4075 YAC CP502 069W420029 CONNECTOR PCB SIDE TV 50P 02 A1 Q810 TCYT1740S0 TRANSISTOR SILICON 2SC1740SP R S TP CP601 069J180038 CONNECTOR PCB SIDE IMSA 9130B 08 Q811 TCYT1740S0 TRANSISTOR SILICON 2SC1740SP R S TP CP702 069J180048 CONNECTOR PCB SIDE IMSA 9130S 08L Q812 TCYT1740S0 TRANSISTOR SILICON 2SC1740SP R S TP CP703 069J140038 CONNECTOR PCB...

Страница 31: ...O R NO SPEC NO M3I4 01B A993530 ...

Страница 32: ...SERVICE MANUAL Please file this revision with the original version MT2325 COLOR TELEVISION RECEIVER B A MFR S VERSION MSF 30SB05 1 MSF 30SB05 SPEAKER REVISION 1 MFR S VERSION B ...

Страница 33: ...6003 SPEAKER MSF 30SB05 1 SP352 070W036001 SPEAKER MSF 30SB05 070W036003 SPEAKER MSF 30SB05 1 R361 R801R7151J RC 150 OHM 1 10W R801R7101J RC 100 OHM 1 10W R362 R801R7151J RC 150 OHM 1 10W R801R7101J RC 100 OHM 1 10W PCB010 A3I403B01A MAIN PCB ASS Y TM9442A A3I403B01B MAIN PCB ASS Y TM9442A MAIN PCB s are not interchangeable M3I4 01B A9X3519 SPEC NO O R NO ...

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