LG CT-29M30R Service Manual Download Page 24

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REPLACEMENT PARTS LIST

LOCA. NO PART NO DESCRIPTION

D862

D863

D864

D865

D866

D867

D901

D902

D903

D904

LD01

ZD101

ZD102

ZD302

ZD303

ZD401

ZD402

ZD501

ZD601

ZD610

ZD910

ZD911

ZD912

Q06

Q108

Q180

Q181

Q182

Q183

Q184

Q185

Q186

Q187

Q202

Q301

Q302

Q303

Q401

Q402

Q506

Q507

Q508

Q509

Q621

Q671

Q672

Q806

Q807

Q853

Q855

Q856

0DD420000BB

0DD414809ED

0DS113379BA

0DD410000AD

0DD414809ED

0DR210009AC

0DR140049AC

4930V00048A

0DZ330009DG

0DZ620009BB

0DZ510009BF

0DZ180009BE

0DZ510009BF

0DZ110009AD

0DZ510009BF

0DZ910009BD

0DZ470009EF

0TR198009BA

0TR534309AA

0TR198009BA

0TR534309AA

0TR198009BA

0TR534309AA

0TR198009BA

0TR534309AA

0TR205900AB

0TR127409AB

0TRSG10001A

0TR223800AA

0TR198009BA

0TR534309AA

0TR198009BA

0TR102009AB

0TR127009AA

0TR421009CB

0TR102009AB

DIODE,D4L20U SHINDENGEN

DIODE,1N4148 TA

DIODE,SWITCHING 1SS133 T-72 TP

DIODE,RECTIFIERS RU4AM,LF-L1

DIODE,1N4148 TA

DIODE,RECTIFIERS BAV21 DO35 200V 0.2

DIODE,RECTIFIERS 1N4004A T-81

HOLDER DIODE,LED ASSY

DIODE,ZENERS GDZJ33B TP GRANDE DO34 0.5W

DIODE,ZENERS MTZJ6.2B TP ROHM-K DO34 0.5W

DIODE,ZENERS GDZ5.1B

DIODE,ZENERS GDZJ18B TP GRANDE DO34 0.5W

DIODE,ZENERS GDZ5.1B

DIODE,ZENERS MTZJ11B TP ROHM-K DO34 - 11V

DIODE,ZENERS GDZ5.1B

DIODE,ZENERS GDZJ9.1B TP GRANDE DO34 0.5W

DIODE,ZENERS GDZJ4.7B GRANDE TP DO34 0.5W

TR,2SA1980Y TP AUK - -

TR,2SC5343Y TP AUK - -

TR,2SA1980Y TP AUK - -

TR,2SC5343Y TP AUK - -

TR,BIPOLARS SGS-T(STM) ST2310HI

TR,KTA1274-Y TO-92L TP KEC

TR,KTD2059-Y TO-220IS KEC

TR,KTC2238A-Y

TR,2SA1980Y TP AUK - -

TR,2SC5343Y TP AUK - -

TR,KTD2059-Y TO-220IS KEC

TR,KTA1274-Y TO-92L TP KEC

TR,BIPOLARS ST2310HI ST TO220 1

TR,KTC2238A-Y

TR,2SA1980Y TP AUK - -

TR,2SC5343Y TP AUK - -

TR,2SA1980Y TP AUK - -

TR,KRC102M,TP(KRC1202),KEC

TR,KTA1270-TP-Y (KTA562TM)KEC

TR,BF421L(AMMO)TO-92 TP PHILIPS

TR,KRC102M,TP(KRC1202),KEC

LOCA. NO PART NO DESCRIPTION

IC01

“

IC03

IC06

IC07

IC09

IC301

IC801

IC302

IC602

IC603

IC610

IC661

“

IC662

IC802

IC803

IC851

IC853

IC855

IC856

IC901

D110

D180

D181

D301

D302

D401

D402

D403

D404

D405

D406

D408

D505

D506

D802

D803

D804

D811

D812

D813

D814

D815

D857

D858

D860

D861

0ICTMMN015A

0ICTMMN014A

0ICTMMN004B

0IMCRAL010A

0ISG111733B

0IFA752700A

0ISA784070A

0IMCRSK001A

0IKE455800E

0ISG729700A

0IFA754207A

0IKE780500Q

0IIT346000B

0IMCRMN011C

0IFA753307A

0ILI817000G

0IKE780500P

0IMCRKE002A

0IMCRKE006A

0ISK120000A

0IPH610700A

0DD414809ED

0DD150009CA

0DS113379BA

0DD410000AG

0DD410000AD

0DD150009CA

0DR150009AB

0DD060009AC

0DD414809ED

0DD100009AM

0DD414809ED

0DD110009DB

0DD060009AC

0DD414809ED

0DD200009AH

0DD420000BB

0DD060009AC

IC,VCT3804F LG10 M/F/A

IC,VCT3804B LG12 EUROPE

IC,VCT3834B LG24 E/EU

IC,AT24C16-10PI-2.7 ATMEL 8PIN

IC,LD1117V33C 3SIP ST REGULATOR

IC,KA75270Z 3 TP RE-SET IC MC-007

IC,LA7840 7S VERTICAL

IC,STR-F6456R SANKEN 5PIN(LF1352)

IC,KIA4558 8DIP DUAL OP AMP

IC,TDA7297 15P,SIP BK 2CH 15W DUA

IC,KA75420ZTA(KA7542ZTA) 3P,TO-92

IC,KIA7805API 3P(TO-220I

IC,MSP3460G V3 52P DIP ST SOUND P

IC,MSP3410 B8 V3

IC,KA75330ZTA(KA7533ZTA) 3P,TO-92

IC,LTV817M-VB 4P,DIP BK PHOTO COU

IC,KIA78L05BP(AT) 3P 5V,150MA

IC,KIA78R09PI KEC 4PIN,TO220IS-4

IC,KIA278R05PI KEC TO220IS,4P ST

IC,SE120N 3P 120V ERROR AMP - - -

IC,TDA6107Q SIP9 BK VIDEO OUT AMP

DIODE,1N4148 TA

DIODE,RECTIFIERS RGP15J TP

DIODE,SWITCHING 1SS133 T-72 TP

DIODE,RECTIFIERS RS4FS R4 1500V 2.5A

DIODE,RECTIFIERS RU4AM,LF-L1

DIODE,RECTIFIERS RGP15J TP

DIODE,RECTIFIERS RGP15G TP

DIODE,RECTIFIERS TVR06J GEN

DIODE,1N4148 TA

DIODE,RECTIFIERS EU1ZV(1) T

DIODE,1N4148 TA

DIODE,RECTIFIERS RM11CV(1)

DIODE,RECTIFIERS TVR06J

DIODE,1N4148 TA

DIODE,RECTIFIERS RU2AMV(1)

DIODE,D4L20U

DIODE,RECTIFIERS TVR06J

DIODE

TRANSISTOR

Summary of Contents for CT-29M30R

Page 1: ...V SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS MC 022A MODEL CT 29M30V R RX website http biz LGservice com e mail http www LGEservice com techsup html ...

Page 2: ...ty Precautions 3 Specifications 4 Control Descriptions 5 Disassembly Instructions 8 Adjustment Instructions 9 Block Diagram 16 T rouble Shooting 18 Exploded View 22 Exploded View Parts List 23 Replacement Parts List 24 SVC Sheet ...

Page 3: ...perform an AC leakage current check on the exposed metallic parts of the cabinet such as antennas terminals etc to be sure the set is safe to operate without damage of electrical shock Leakage Current Cold Check Antenna Cold Check With the instrument AC plug removed from AC source connect an electrical jumper across the two AC plug prongs Place the AC switch in the on positioin connect one lead of...

Page 4: ...me memory 200 Programme memory W O TXT Model O Antenna input impedance VHF UHF 75 ohm unbalanced O Voice coil impedance 8 ohm O External In Output Audio In 0 5Vrms 3db over 10Kohm Audio Out 0 5Vrms 3db below 1Kohm Video In Out 1Vp p 3db 75ohm R G B In 0 7Vp p 3db O Feature Funtion Teletext TOP FLOF LIST AV Input Side or Front 1 Rear 2 Component Input Rear Opt PERI TV Connector AV Input SCART Opt R...

Page 5: ...u settings 6 VCR BUTTONS option control a LG video cassette recorder 7 SSM Sound Status Memory recalls your preferred sound setting 8 I II option selects the language during dual language broadcast option selects the sound output 9 PSM Picture Status Memory recalls your preferred picture setting 10 TELETEXT BUTTONS option These buttons are used for teletext For further details see the Teletext sec...

Page 6: ...ub pictures COLOURED BUTTONS These buttons are used for teletext only TELETEXT models or programme edit Battery installation The remote control handset is powered by two AA type batteries To load the batteries turn the remote control handset over and open the battery compartment Install two batteries as indicated by the polarity symbols and marked inside the compartment Note To avoid damage from p...

Page 7: ...ogramme while the menus not display 9 D D E E adjusts the function or selects a programme switches the set on from standby 10 EYE option adjusts picture according to the surrounding con ditions 11 HEADPHONE SOCKET option Connect the headphone plug to this socket 12 AUDIO VIDEO IN SOCKETS AV3 Connect the audio video out sockets of external equipment to these sockets S VIDEO AUDIO IN SOCKETS S AV op...

Page 8: ...emoval 1 Pull out the CPT board from the CPT neck 2 Place the front cabinet on soft material not to mar the front surface or damage control knobs 3 Remove 4 screws securing the picture tube mounting brackets to the front cabinet 4 Carefully separate CPT from the front cabinet PICTURE TUBE HANDLING CAUTION Due to high vacuum and large surface area of picture tube great care must be exercised when h...

Page 9: ...ne B 2 Adjust the upper Focus volume of FBT for the best focus of area A 3 Repeat above step 1 and 2 for the best overall focus 5 Screen Voltage White Balance Adjustment 5 1 Adjustment of screen manually Using ADJ Remote Control 1 Receive the PAL or SECAM NTSC signal into RF mode regardless of channel 2 If you press the ADJ button in LINE SVC mode IN START button the LINE SVC mode changes to scree...

Page 10: ...4 3 PAL 16 9 PAL ZOOM NTSC 4 3 NTSC 16 9 NTSC ZOOM 3 After finishing deflection adjustment press the ENTER button to enter or exit in SVC mode VL Vertical Linearity Adjust so that the boundary line between upper and lower half is in accord with geometric horizontal center of the CPT VA Vertical Amplitude Adjust so that the circle of a digital circle pattern may be located within the effective scre...

Page 11: ...B4 0840 0840 0000B 0050 00CF 0025 00BF 0000 009F 0600 0900 0000 003F 0400 0EFF 0700 08FF 06E0 0840 06A0 0AFF 0790 08E0 0790 08E0 ITEM RANGE Z50Hz N50Hz W50Hz VA VL SC VS HS EW ET EP ES EC PIP P 11 0 0 0 0 0 0 14 0 0 0 22 3 0 0 0 22 0 19 0 0 0 009A 00F3 00D0 0774 0019 0B96 07DE 07BF 085C 082B 0007 0050 00CF 0025 00BF 0000 009F 0600 0900 0000 003F 0400 0EFF 0700 08FF 06E0 0840 06A0 0AFF 0790 08E0 07...

Page 12: ...aration for Adjustment 1 This decides funtion in accordance with model Press the SVC TX adjustment button IN START button at SVC mode then adjust the option at OPTION 1 2 3 4 mode 2 Mark the option adjustment data like 111 11 111 11 in BOM 8 2 Adjustment Method 1 Input data directly by the buttons corresponded with OPTION1 0 255 OPTION2 0 255 OPTION3 0 127 OPTION 4 0 255 2 Select each OPTION funct...

Page 13: ...n SAVE DUAL SOUND Condition PHONE JACK SCART JACK NORMAL VOLUME CURVE RUSHED VOLUME CURVE Without DVD INPUT With DVD INPUT Without HOTEL OPTION With HOTEL OPTION MAX VOLUME TXT Model W O TXT Model 1 PIP or W O PIP 2 PIP CE RE MODEL CL RL MODEL CT RT MODEL 1 TUNER Model 2 PIP only 1 TUNER Model 2 PIP only PAL model ALL PIP SYS TBS WOOF AV2 MONO GAME Option Code 0 1 0 1 0 1 0 1 0 1 0 1 0 1 2 3 Funct...

Page 14: ... Cyrilic E Russia EU EAST E Ger Rum Pin Hung Chez EU EAST All E Ger Rum Pol Hung Chez Russia English Only Eng EU 7 E Ger Fr Ita Spain Holand Port EU NORTH E Ger Fr Holand Swe Nor Den Fin Cyrilic E Russia EU EAST E Ger Rum Pin Hung Chez EU EAST All E Ger Rum Pol Hung Chez Russia English Only Eng EU 5 E Ger Fr Ita Spain English Only Eng Vietnam E Vietnam Hindi E Hindi China E China Eng Spain Port Sp...

Page 15: ...nglish WEST EU EAST EU Turkey Cyrillic3 Arab English WEST EU EAST EU Turkey Cyrillic3 WEST EU EAST EU Turkey Cyrillic3 WEST EU EAST EU Turkey Cyrillic3 Arab English Farsi English Farsi only 3834 only W TXT Arab Asia 3834 only W TXT WEST EU 3834 only W TXT EAST EU 3834 only W TXT 28 WIDE FLAT 3834 only W TXT OPTION TXT L ...

Page 16: ...orizontal Deflection TO TO Cathode Cathode 0f 0f CPT CPT AT24C16 EEPROM I I 2 2 C Bus C Bus Tilt Control Tilt Tilt Controller TO TO TILT TILT COIL COIL VCT 3801 3804 3834 Main Control Processor MSP 34xxG Sound Processor TDA 6109 6107 JF R G B AMP R G B W O PIP CVBS H Out V Sinc Protect H H DY DY FBT FBT H Sinc V V DY DY VA H Out V Out TDA 7297 7266 Sound Amp TDA 2066 Mono Opt W O PIP AV1 2 3 Y C V...

Page 17: ...TDA6109 MSP 34XX Sound Processor 7805 Tuner Main VCT3834 LD3 3V TDA 2006 Mono Opt SDA 9489X PIP Processor CXA 2040AQ Video Switch EYE Opt Tilt Opt STK396 110 VM IC 12V SMPS TRANS ST BY TRANS ST 5V 12V 9V 5V PIP AV SW OPT 7805 LD3 3V 5V Tuner Sub Relay VM 200V FBT LA 7845 V AMP 14V FBT EW AMP 28V FBT T803 T802 IC01 IC661 IC602 ICP01 ICP101 IC901 HIC920 ...

Page 18: ... NO NO NO Check The Voltage At pin 16 33 46 of IC661 Check Replace Q671 672 Check Replace Q621 IC603 Check Replace F851 D862 Check Replace IC610 IC853 Check The voltage At pin of IC610 IC853 NO OK OK OK OK OK OK NO No Raster Sound OK Check the Heater voltage of CPT 6 6 5Vrms Check HV Screen Voltage of CPT Check IK Current of IC01 pin37 39 40 Check the Heater pulse of FBT T402 Check Replace CPT Boa...

Page 19: ...C01 H Out Check Q402 Collector waveform Check T401 each pin voltage Check Replace T402 Is the voltage at pin3 15 45 IC02 5V Check the In out of IC855 IC851 Check the In out of IC06 IC07 Check IC01 Pin1 high Check Replace IC01 Check Replace IC01 Check Replace Q402 Check Replace T401 Check Replace IC01 IC03 Check the Voltage at D860 or D858 cathode Check Replace F853 F855 Normal Abnormal Ok 254 380 ...

Page 20: ... IIC Bus Line Of Tuner Is the CVBS signal OK IC01 pin10 or 22 Check R G B signal At IC01 pin42 43 44 Check Replace CPT Board component Go to No Sound Picture OK Check IC01 pin37 42 43 44 IK R G B Check Replace IC01 Check 5V 33V IIC Bus Line Check Replace IC01 Tuner Check CVBS signal Line IC01 Check IK Signal at IC01 pin37 similar to CBVS No No No No No OK OK OK OK OK OK OK OK ...

Page 21: ...he waveform At pin 24 25 of IC661 Check waveform At pin 4 12 of IC602 Check the voltage At pin6 7 of IC602 Check the waveform At pin 1 2 14 15 of IC602 Check the voltage Of pin16 20 Check Replace IC602 Check Replace Q621 IC603 Check the vpltage At pin3 13 of IC602 Replace IC 602 Check Replace F851 D862 OK AV OK OK OK OK OK OK NO NO NO NO NO NO OK ...

Page 22: ... 22 112 170 913 150 153 510 943 400 600 120 121 300 310 320 330 601 P801 530 520 EXPLODED VIEW ...

Page 23: ...SEMBLY 2PHONE 3809V00221K BACK COVER ASSEMBLY 3809V00221N BACK COVER ASSEMBLY 1SCART 1PHONE 3809V00221L BACK COVER ASSEMBLY 40AF LGEAP 520 6871VMMN15A PWB ASSY MAIN 29M30V 6871VMMN15F PWB ASSY MAIN 29M30V 6871VMMN15B PWB ASSY MAIN 29M30R 6871VMMNA2D PWB ASSY MAIN 29M30R N ALLIED 6871VMMN15C PWB ASSY MAIN 29M30R W O EYE TILT 6871VMMN15E PWB ASSY MAIN 29M30RX 600 6871VSMB28P PWB ASSY A V MC022A M30 ...

Page 24: ... AUK TR KRC102M TP KRC1202 KEC TR KRC102M TP KRC1202 KEC TR KTA1270 TP Y KTA562TM KEC TR BF421L AMMO TO 92 TP PHILIPS TR KRC102M TP KRC1202 KEC LOCA NO PART NO DESCRIPTION IC01 IC03 IC06 IC07 IC09 IC301 IC801 IC302 IC602 IC603 IC610 IC661 IC662 IC802 IC803 IC851 IC853 IC855 IC856 IC901 D110 D180 D181 D301 D302 D401 D402 D403 D404 D405 D406 D408 D505 D506 D802 D803 D804 D811 D812 D813 D814 D815 D85...

Page 25: ...C309 C310 C311 C401 C402 C403 C405 C407 C408 C409 C410 C411 C413 C415 C416 C419 C420 C422 C501 C502 C503 C504 C505 C506 C508 C509 C510 C511 C512 C513 C514 C515 C516 C517 C518 C520 C521 C522 C523 C559 C563 C564 0CE226DF618 0CN2210K519 0CN2210K519 0CQ1031N509 0CQ3341N401 0CE107BK618 0CQ6821N509 0CQ1021N509 0CQ3331N509 0CE476DK618 0CN4710K519 0CQ1031N509 0CQ1031N509 0CE105DK618 0CE475DK618 0CQ1521N50...

Page 26: ...C864 C865 C867 C868 C871 C872 C873 C874 C880 C901 C902 C903 C904 C1210 C1242 R1204 J134 J225 J347 L01 L04 L05 L08 L103 L121 L210 L211 L212 L213 L214 L218 L219 L245 L401 L402 L509 L510 L512 L663 L810 L853 L1203 L1204 R213 R242 T401 T402 0CE108BF618 0CE108DF618 0CE475BK618 0CE108BJ618 0CK22101515 0CE227DK618 0CE227DD618 0CE227DP61A 0CE107CP618 0CQ1041N509 181 091Y 0CE106DH618 0CE475DR618 0CQ1044R539...

Page 27: ...R47 R48 R49 R51 R94 R95 R102 R119 R126 R127 R128 R129 R130 R131 R132 R133 R135 R136 R137 R180 R181 R182 R183 R184 R185 R186 R187 R188 R189 R190 R191 R192 R193 R201 R202 R205 R206 R207 R208 R209 R210 R211 R212 R215 R218 R219 R220 R301 R302 R305 R306 0RD1201F609 0RD8200F609 0RD5600F609 0RD1801F609 0RD3301F609 0RD1000F609 0RD1001F609 0RD5100F609 0RD0102F609 0RD1001F609 0RD1001F609 0RD0222F609 0RD1000...

Page 28: ...0 TA52 LOCA NO PART NO DESCRIPTION R549 R550 R552 R553 R554 R556 R557 R558 R559 R560 R571 R572 R601 R602 R603 R604 R607 R608 R609 R610 R611 R624 R629 R662 R663 R664 R801 R802 R803 R804 R805 R806 R807 R808 R809 R811 R813 R821 R822 R830 R831 R832 R833 R850 R852 R858 R862 R863 R864 R865 R866 R867 0RD1800F609 0RD0472F609 0RD4300F609 0RD1800F609 0RD0472F609 0RD4300F609 0RD2701F609 0RD0222F609 0RD1001F6...

Page 29: ...OHM 1 6 W 5 00 TA52 75 OHM 1 6 W 5 00 TA52 220 OHM 1 2 W 5 00 TA52 220 OHM 1 2 W 5 00 TA52 SWITCH TACT SKHV17910B LG C D NON 12V SWITCH TACT SKHV17910B LG C D NON 12V SWITCH TACT SKHV17910B LG C D NON 12V SWITCH TACT SKHV17910B LG C D NON 12V SWITCH PUSH SDKEA3 IEC 250V 8A HORIZO FILTER EMC FERRITE BFD3565R2F FILTER EMC FERRITE BFD3565R2F FILTER EMC FERRITE 1UH TAPING FILTER EMC FERRITE 1UH TAPING...

Page 30: ...P NO 3854VA0098A S 1 2 2002 03 25 ...

Page 31: ...D4 J236 D4 J237 D5 J238 D2 J239 F5 J240 D4 J241 D4 J242 D1 J244 D2 J245 D1 J246 D1 J247 D4 J248 D4 J249 D5 J250 D5 J251 D5 J252 D3 J253 E4 J254 E5 J255 E4 J256 E4 J257 E3 J258 E2 J259 E5 J260 E4 J261 E4 J262 E4 J263 E3 J264 E3 J265 E1 J266 E5 J267 E5 J268 E2 J269 F1 J270 E4 J271 F2 J272 F5 J273 F4 J274 F5 J275 F1 J276 F1 J277 F3 J278 F4 J279 G2 J280 G2 J281 F3 J282 G1 J283 G3 J284 G1 J285 F4 J286 ...

Page 32: ...SVC SHEET 3854V A0098A S SVC SHEET ...

Page 33: ...Jan 2003 Printed in Korea P NO 3828VD0118Q ...

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