LG RT-29FD40RX Service Manual Download Page 24

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LOCA. NO PART NO DESCRIPTION

C519

C520

C521

C522

C524

C525

C526

C530

C531

C532

C533

C534

C535

C536

C537

C538

C539

C540

C541

C542

C543

C545

C547

C548

C549

C550

C561

C562

C601

C602

C603

C604

C605

C606

C607

C608

C609

C610

C611

C612

C613

C614

C615

C616

C617

C618

C619

C620

0CN1010K519

0CE107DD618

0CN1040K949

0CE107DD618

0CN1040K949

0CN1010K519

0CN1040K949

0CE107DD618

0CN1040K949

0CE107DD618

0CK1010K515

0CX2200K409

0CN2710K519

0CN1040K949

0CE107DH618

0CN1810K519

0CF2241L438

0CN2210K519

0CN1030F679

0CE108DH618

0CE477DH618

0CE475DK618

0CQ2731N509

0CE476DF618

181-007C

0CE106DF618

0CQ2731N509

0CE475DK618

0CE476DH618

181-007C

0CN1040K949

0CE476DD618

0CN1040K949

0CN1010K519

0CE106DK618

0CN1010K519

100PF D 50V 10% B(Y5P) TA52

100UF STD 10V M FL TP5

0.1UF D 50V 80%,-20% F(Y5V) TA52

100UF STD 10V M FL TP5

0.1UF D 50V 80%,-20% F(Y5V) TA52

100PF D 50V 10% B(Y5P) TA52

0.1UF D 50V 80%,-20% F(Y5V) TA52

100UF STD 10V M FL TP5

0.1UF D 50V 80%,-20% F(Y5V) TA52

100UF STD 10V M FL TP5

100P 50V K B TS

22P 50V J SL TA52

270P 50V K B TA52

0.1UF D 50V 80%,-20% F(Y5V) TA52

100UF STD 25V M FL TP5

180P 50V K B TA52

0.22UF D 63V 5% TP 5 M/PE NI

220P 50V K B TA52

10000PF D 16V 20% X5R TA52

1000UF STD 25V M FL TP5

470UF STD 25V M FL TP5

4.7UF STD 50V 20% FL TP 5

0.027UF D 100V 10% PE TP5

47UF STD 16V M FL TP5

MPE ECQ-V1H104JL3(TR), 50V 0.1UF

10UF STD 16V M FL TP5

0.027UF D 100V 10% PE TP5

4.7UF STD 50V 20% FL TP 5

47UF STD 25V 20% FL TP 5

MPE ECQ-V1H104JL3(TR), 50V 0.1UF

0.1UF D 50V 80%,-20% F(Y5V) TA52

47UF STD 10V 20% FL TP 5

0.1UF D 50V 80%,-20% F(Y5V) TA52

100PF D 50V 10% B(Y5P) TA52

10UF STD 50V M FL TP5

100PF D 50V 10% B(Y5P) TA52

LOCA. NO PART NO DESCRIPTION

C621

C622

C623

C624

C625

C626

C631

C632

C634

C635

C636

C637

C802

C803

C804

C806

C809

C810

C811

C813

C815

C817

C818

C819

C820

C821

C822

C823

C824

C825

C826

C827

C828

C829

C830

C831

C833

C834

C835

C837

C838

C840

C842

C843

C845

C846

C847

C848

C901

0CK2710K515

0CK1030K945

0CF3341L438

0CE475DK618

0CE476DH618

0CE475DK618

0CE228DF618

0CQZVBK002A

0CE337KV6A0

0CK10202515

0CE105DK618

0CE336DK618

181-014Y

0CK4710W515

0CK8210K515

0CK1040K945

0CQZVBK002D

0CK1520K515

0CN1040K949

181-091C

0CE477DH618

0CE107DD618

0CE477DD618

0CK47202510

0CE227DD618

0CE477DD618

0CE335CK636

0CE108DH618

0CE227DP61A

0CE107CP618

181-091Y

0CK4710W515

0CQ4731N509

0CE227DK618

0CE228BF618

181-120P

181-120K

0CE107DD618

181-091X

181-091Y

0CK4710W515

0CE475DR618

270P 50V K B TS

0.01UF 50V Z F TR

0.33UF D 63V 5% TP 5 M/PE NI

4.7UF STD 50V 20% FL TP 5

47UF STD 25V 20% FL TP 5

4.7UF STD 50V 20% FL TP 5

2200UF STD 16V M FL TP5

A.C 275V 0.1UF M (S=15)

330UF SLT 450V 20% VNSN BULK

1000PF D 2KV 10% TR B(Y5P)

1UF STD 50V M FL TP5

33UF STD 50V M FL TP5

MPP 1.6KV 0.0015UF J

470PF 500V K B TR

820P 50V K B TS

0.1UF 50V Z F TR

A.C 275V 0.47UF K (S=22.5)

1500P 50V K B TS

0.1UF D 50V 80%,-20% F(Y5V) TA52

DEHR33A471KN2A 470PF 1KV 10%

470UF STD 25V M FL TP5

100UF STD 10V M FL TP5

470UF STD 10V M FL TP5

4700P 2KV K B S

220UF STD 10V M FL TP5

470UF STD 10V M FL TP5

3.3UF SHL,SD 50V 20% FM5 BP(D) TP

1000UF STD 25V M FL TP5

220UF STD 160V 20% FL TP 7.5

100U SHL 160V M FL TP5

R 680PF 2KV 10%,-10% R/TP TP7.5

470PF 500V K B TR

0.047UF D 100V 10% PE TP5

220UF STD 50V M FL TP5

2200UF KME 16V M FL TP5

470 PF 4KV K JE R FL 10

2200PF 4KV M E FMTW LEAD 4.5

100UF STD 10V M FL TP5

R 560PF 2KV 10%,-10% R/TP TP7.5

R 680PF 2KV 10%,-10% R/TP TP7.5

470PF 500V K B TR

4.7UF STD 250V 20% FL TP 5

For Capacitor & Resistors,
the charactors at 2nd and 3rd
digit in the P/No. means as
follows;

CC, CX, CK, CN : Ceramic
CQ : Polyestor
CE : Electrolytic

RD : Carbon Film
RS : Metal Oxide Film
RN : Metal Film
RF : Fusible

Summary of Contents for RT-29FD40RX

Page 1: ... TV SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS MC 049A MODEL RT 29FD40RX website http biz LGservice com e mail http www LGEservice com techsup html ...

Page 2: ...ety Precautions 3 Control Descriptions 4 Specifications 7 Adjustment Instructions 8 T rouble Shooting 12 Printed circuit board 16 Block Diagram 18 Exploded View 20 Exploded View Parts List 21 Replacement Parts List 22 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 position connect one lead of ...

Page 4: ...atus 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 section 11 MUTE switches the sound on or off 12 TV AV selects TV or AV mode switches t...

Page 5: ...icture on or off PR selects a programme for the sub picture SWAP alternates between main and sub picture INPUT selects the input mode for the sub picture SIZE adjusts the sub picture size STILL freezes motion of the sub picture POSITION relocates the sub picture in clockwise direction 9 4 PIP switches on or off the programme scan mode through 4 or 9 sub pictures COLOURED BUTTONS These buttons are ...

Page 6: ...on from standby F F G G Volume Down Up adjusts the volume adjusts menu settings 6 REMOTE CONTROL SENSOR Note Only use the supplied remote control handset When you use oth ers they ll be not able to function 7 TV AV selects TV or AV mode clears the menu from the screen switches the set on from standby 8 Function selects volume EYE option picture items or brief auto programme while the menus not dis...

Page 7: ...s based upon P N of B O M 5 Warm up TV set for more than 20min before the measurement Standard input Voltage 110 240V 50 60Hz 230V 50 60Hz Market Middle East Africa EU Chassis MC049A Brand LG No 1 2 3 4 5 6 7 8 Item Receiving System Available Channel Input Voltage Market Screen Size Tuning System Operating Environment Storage Environment Remark For EU For Non EU OPTION Non EU EU 200 PR W O TXT Spe...

Page 8: ...by crossing adjustment At this time 4 6 pole magnet is located to magnet of nothing 5 Move the DY to make equal red on whole screen and it does not to make the DY by fixed screw after check a simple color of Red Green Blue and white raster whether or not it is a pollution of color At this time take care raster of screen and DY must fixing in the condition which maintains a horizontality 6 Check th...

Page 9: ...y SVC communicator 3 Enter the deflection mode by selection SERVICE1 key on SERVICE MENU after enter the adjustment mode by pressing LINE SVC MODE IN START KEY 4 Enter the deflection mode by pressing ADJUST key 5 Use the CH D E key to select adjustment item 6 Use the VOL F G key to increase decrease data Note 1 When adjusting a deflection adjust N50Hz of PAL signal first and adjust a deflection at...

Page 10: ...screen to the best straight line 13 PIP PIP Position Adjust until the distance between PIP and main picture becomes about 1 2mm by using VOL key 8 OPTION Adjustment 8 1 Preparation for Adjustment 1 This option adjustment decides function in accordance with model Press the SVC TX adjustment button IN START button at SVC mode then adjust the option at OPTION1 mode 2 Mark the option adjustment data l...

Page 11: ...unction Without TURBO SEARCH With TURBO SEARCH 100 PROGRAM SAVE 200 PROGRAM SAVE Without EYE With EYE 8KEY 4KEY SYSTEM ACMS TOP CH AU HDEV Option Code 0 1 0 1 0 1 0 1 0 1 Function REMARK Without ACMS Function With ACMS Function FLOT TXT TOP TXT Without D K CHINA or BB SYSTEM With D K CHINA or BB SYSTEM China Australia ...

Page 12: ... NO NO Check The Voltage At pin 2 19 20 21 24 of IIC11 Check Replace Q601 Check Replace F806 D828 D805 Check Replace C821 IC822 Q807 Check The voltage At pin of IC821 IC822 Q807 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 R G B out of CPT Board Check the Heater pulse of FBT T402 Check 200V line of CPT Board if no problem...

Page 13: ...H Out Check Q402 Collector waveform Check T401 each pin voltage Check Q401 Collector waveform Check the In out of regulator Check Fuse and Rectifition Diode of secondary Load of SMPS trans T803 Check Replace IC11 Check Replace IC11 Check Replace Q402 Check Replace T401 Normal Abnormal Ok 140 310V Open No No No No No Yes Yes Yes Yes IC821 IC822 IC823 IC824 IC825 Ok 18 20V Ok Check Replace Fuse IC80...

Page 14: ...e CPT Board component Go to No Sound Picture OK Check IC11 pin71 72 73 R G B out No No OK OK OK OK Check pin40 V out 1 1V p p Check 1 8V 3 3V 5V DC Voltage No Check SMPS Trans Secondary Voltage Q501 Q503 Q504 R G B out of IC11 No No Check pin18 Reset Voltage OK Check IC13 Reset IC No Check pin57 58 SCL SDA OK Check IC12 EEPROM SCL SDA Line No Relace IC11 OK 3 3V swing 3 3V DC ...

Page 15: ...n 2 4 of IC601 Check the voltage At pin6 of IC601 Check the waveform At pin 8 9 11 12 of IC601 Check the voltage Of pin2 19 20 21 24 of IC11 Check the signal line of SPK L R Check pin 55 mute of IC11 Check the vpltage At pin7 5 of IC601 Check Replace D828 D805 F806 OK AV OK OK OK OK OK OK NO NO NO NO NO NO OK Check the connection of side or Front AV Board NO Connect the Board OK Replace IC601 P603...

Page 16: ... 16 PRINTED CIRCUIT BOARD MAIN ...

Page 17: ...CPT SIDE A V HARMONICS 17 ...

Page 18: ...9489X PIP Processor LA7222 Aud io Swit c h EYE Op t Tilt Op t STK396 110 VM IC SMPS TRANS ST 5V 12V PIP AV SW OPT 3 3V 5V Tuner Sub Relay VM 200 V FBT LA 7845 V AMP 14V FBT EW AMP 28 V FBT T802 IC11 LA42152 So und AMP IC601 LA42152 So und AMP IC601 ICP01 IC602 IC901 HIC920 ST 1 8V ST 3 3V 3 3V 8V ST 1 8V ST 3 3V 5V 9V 14V 17V 5V 14V 14V IC824 IC853 IC825 IC821 IC822 ICP02 11 ...

Page 19: ... C3 R Pr Y3 G Y B Pb V1 V2 V3 C3 R Pr Y3 G Y B Pb AIN1 L R AIN2 L R AIN3 L R AUDIO VIDEO LA7222 HOR EW VER TDA4863 EHT VCTi 49xxl P N SVCC 110V 12V 5V 3 3V 1 8V BIN BIN PIP Va Vb RGB o ut SVM o ut Hf b Hout Menu OK VOL VOL PR PR KEY IR AUDIO VIDEO GAME MODULE HS VS IFIN IFIN MAIN SUB MAIN SUB 3 T PIP VIDEO RIN GIN PIP VIDEO RIN GIN AOU 1 1 2 VOUT ...

Page 20: ... 20 EXPLODED VIEW 400 943 913 112 170 150 153 510 P801 520 330 320 310 300 600 120 550 ...

Page 21: ...ONTROL RN 29FD40 ABS HF 380 6KEY 320 320 062H SPRING COIL 330 5020V00949A BUTTON POWER RN 29FD40 ABS HF 380 1KEY 400 3809V00456J BACK COVER ASSEMBLY RT 29FD15RQ 2PHONE 8G068 SET CIS 510 6871VSME79C PWB PCB ASSEMBLY SUB CPT MC 049A LG 29 FLAT W O PIP 520 6871VMM803S PWB PCB ASSEMBLY MAIN MC049A RT 29FD40RX ALLLKR M I 550 6871VSMY94A PWB PCB ASSEMBLY SUB MC 049A CURRENT HARMONICS 600 6871VSMZ87E PWB...

Page 22: ... TP DO34 11V 5UA MTZJ11B TP DO34 11V 5UA MTZJ11B TP DO34 11V 5UA MTZJ8 2B TP DO34 8 2V 5UA MTZJ6 2A TP DO34 0 5W 6 2V 150UA GDZ5 1B TP DO34 0 5W 5 1V 0 02A LOCA NO PART NO DESCRIPTION HIC920 IC11 IC12 IC13 IC301 IC302 IC601 IC602 IC801 IC802 IC821 IC822 IC822 IC824 IC825 IC826 IC853 IC901 Q104 Q11 Q180 Q181 Q182 Q183 Q184 Q185 Q186 Q187 Q301 Q302 Q303 Q401 Q402 Q501 Q502 Q503 Q504 Q505 Q506 Q506 Q...

Page 23: ...TION C220 C221 C224 C224 C225 C23 C24 C25 C303 C304 C306 C308 C309 C310 C402 C402 C403 C404 C405 C406 C407 C408 C409 C410 C411 C413 C414 C415 C416 C417 C419 C420 C421 C422 C501 C502 C503 C504 C505 C506 C507 C508 C509 C510 C511 C512 C513 C514 C515 C516 C517 C518 0CN4710K519 0CN4710K519 0CE226DD618 0CE226DF618 0CE226DF618 0CN1040K949 0CE226DD618 0CE105DK618 0CQ1041N409 0CE107DJ618 0CQ3331N509 0CE476...

Page 24: ... D 50V 10 B Y5P TA52 100PF D 50V 10 B Y5P TA52 LOCA NO PART NO DESCRIPTION C621 C622 C623 C624 C624 C625 C626 C631 C632 C634 C635 C635 C636 C637 C802 C803 C804 C806 C809 C810 C811 C813 C815 C817 C818 C819 C820 C821 C822 C823 C823 C824 C825 C826 C827 C828 C829 C830 C831 C833 C834 C835 C837 C838 C840 C842 C843 C845 C846 C847 C848 C901 0CK2710K515 0CK1030K945 0CF3341L438 0CF3341L438 0CF3341L438 0CF33...

Page 25: ...RMER TS4134 38500UH TRANSFORMER SMPS COIL EER5345 300UH 1P 150MM R R UL1617AWG22 1P 200MM R H UL1617AWG22 MXH8610 BH10009 LOCA NO PART NO DESCRIPTION P15B P201B P202B P403B P603B F802 F804 F805 F806 F806 FR402 FR403 FR404 FR405 FR901 J110 J131 J206 J208 J211 J261 J403 J509 J510 J524 J525 J526 J527 J566 L222 R102 R105 R109 R110 R111 R112 R113 R1203 R1204 R1205 R1206 R1230 R1231 R124 R125 R126 R127 ...

Page 26: ...CRIPTION R315 R316 R317 R318 R319 R32 R320 R321 R322 R323 R324 R325 R326 R328 R328 R33 R35 R37 R38 R401 R403 R404 R405 R408 R409 R410 R411 R412 R413 R414 R415 R416 R416 R417 R42 R421 R421 R422 R449 R501 R502 R502 R503 R503 R504 R505 R506 R507 R508 R509 R510 R511 0RS2700K607 0RD4700F609 0RD2702F609 0RN2001F409 0RN8202F409 0RD3301F609 0RD1001F609 0RD0561A609 0RD1501F609 0RD2702F609 0RD4700F609 0RD27...

Page 27: ...515 R516 R517 R518 R519 R520 R521 R522 R522 R526 R526 R527 R532 R534 R535 R536 R537 R538 R539 R540 R541 R542 R543 R544 R544 R551 R555 R556 R557 R558 R601 R602 R603 R604 R605 R606 R607 R608 R609 R610 R611 R612 R613 R614 R615 R616 R616 R617 R618 27 LOCA NO PART NO DESCRIPTION 0RD0332F609 0RD0332F609 0RD0332F609 0RD1600F609 0RD1600F609 0RD1600F609 0RD0222F609 0RD2701F609 0RD1001F609 0RD3002F609 0RD01...

Page 28: ...12V TACT SKHV17910B LG C D 12V SDKEA3 250V 8A HORIZONTAL 480G AG20PT 152F L3N S 23 AG20PT 152F L3N S 23 AG20PT 152F L3N S 23 WSP 122N 1200V 100V 300V AXIAL TP WSP 351M 350V 20 AXIAL TP 7 5MM FERRITE BFD3565R2F TAPING FERRITE AXIAL 62MM 1UH NY 3 5X6 0MM FERRITE AXIAL 62MM 1UH NY 3 5X6 0MM FERRITE AXIAL 62MM 1UH NY 3 5X6 0MM FERRITE AXIAL 62MM 1UH NY 3 5X6 0MM FERRITE AXIAL 62MM 1UH NY 3 5X6 0MM FER...

Page 29: ......

Page 30: ...SVC SHEET 3854V A0146A S ...

Page 31: ...Dec 2004 Printed in Korea P NO 3828VD0194M ...

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