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LG RT-29FA35RB Service Manual Download Page 1

COLOR TV

SERVICE MANUAL

CAUTION

BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

CHASSIS : MC-049A

MODEL:RT-29FA35R/RB/RE/RP

MODEL:

RT-29FA35RQ/RT/V/VE

website:http://biz.LGservice.com

e-mail:http://www.LGEservice.com/techsup.html

Summary of Contents for RT-29FA35RB

Page 1: ...L CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS MC 049A MODEL RT 29FA35R RB RE RP MODEL RT 29FA35RQ RT V VE website http biz LGservice com e mail http www LGEservice com techsup html ...

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

Page 4: ...tte 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 section 11 MUTE switches the sound on or off 12 TV AV selec...

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: ...s 8 TV AV selects TV or AV mode clears the menu from the screen switches the set on from standby 9 Function selects volume EYE option picture items or brief auto programme while the menus not display 10 D D E E adjusts the function or selects a pro gramme switches the set on from standby 11 TURBO SOUND PICTURE option switches Turbo sound or Turbo picture function on or off 12 HEADPHONE SOCKET opti...

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 VM 17 CONTROL SIDE A V PIP ...

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 174 943 400 300 330 320 310 600 120 913 170 150 153 112 510 501 520 122 121 550 530 503 315 700 ...

Page 21: ...LLLKR MC 049A MOSCOW 3809V00523B BACK COVER ASSEMBLY RT 29FA35RP 8G068 MC049A 503 3500V00022H BOARD AV COMMON MC049A 2PHONE 3500V00022J BOARD AV RT 29FA35V MC049A 2PHONE 501 4810V00233J BRACKET MAIN RT 29FA35R LGEIN 4810V00233P BRACKET MAIN RT 29FA33RB MC022A HIPS 407AF 510 6871VSME79A PWB PCB ASSEMBLY SUB CPT MC049A 29 FLAT VM W PIP RT 29FA35RT ALLLKR 6871VSME79C PWB PCB ASSEMBLY SUB CPT MC 049A ...

Page 22: ... 22 EXPLODED VIEW RT 29FA35R LGEMT 125 123 300 330 320 310 125 174 913 170 150 153 112 510 943 400 600 124 520 530 315 121 121 501 503 120 ...

Page 23: ...ET ASSEMBLY RT 29FA35R STEREO MC049A 117A W O EYE 310 5020V00480D BUTTON CONTROL 29FA35 117A ABS HF 380 6KEY 315 3580V00058M DOOR FRONT AV 29FA35 117A ABS HF 380 320 320 062E SPRING KNOB 330 5020V00479H BUTTON POWER 29FA35 117A ABS HF 380 1KEY 400 3809V00234B BACK COVER ASSEMBLY RT 29FA30 CKD 501 4810V00233J BRACKET MAIN RP 29FA30A MC022A HIPS 60HR CKD 503 3500V00022H BOARD AV COMMON MC049A 2PHONE...

Page 24: ...A GDZJ33B TP DO34 0 5W 33 0V GDZ5 1B TP DO34 0 5W 5 1V 0 02A MTZJ11B TP DO34 11V 5UA GDZJ9 1B TP DO34 0 5W 9 1V LOCA NO PART NO DESCRIPTION HIC920 IC11 IC11 IC13 IC302 IC802 IC12 IC11 IC821 IC822 IC822 IC824 IC825 IC853 IC901 ICP02 IC301 IC601 IC601 IC801 IC826 ICP01 Q104 Q1106 Q303 Q401 Q402 Q807 QP01 QP02 Q180 Q181 Q182 Q183 Q184 Q185 Q186 Q187 Q301 Q401 Q403 Q501 Q502 Q503 Q504 Q505 Q506 Q507 Q...

Page 25: ...19 C457 C508 C512 C514 C520 C524 C533 C540 C541 C542 C543 C549 C602 C605 C607 C608 C619 C809 C822 C823 C828 C830 C833 C845 C868 C921 C923 C924 C926 C928 C930 CP08 CP10 CP21 CP22 CP25 CP26 CP27 C627 0CX4700K409 0CK2220W515 0CE107DD618 0CE227DD618 0CE107DD618 0CE106DF618 0CE105DK618 0CE105DK618 0CE107DJ618 0CE476DK618 0CE107DJ618 0CE108DH618 0CE108DH618 0CE476DK618 0CE107DD618 0CE107DD618 0CE107DD61...

Page 26: ...37 C902 C13 C17 C18 C183 C185 C23 C504 C507 C509 C511 C513 C515 C516 C517 C518 C521 C522 C525 C526 C527 C528 C529 C531 C532 C534 C535 C536 C537 C538 C548 C615 C617 C820 C420 0CQ3331N509 0CQ1031N509 0CQ1521N509 0CF2231YF50 0CQ6831N509 0CQ6831N509 0CQ3331N509 0CQ2242K439 0CQ2731N509 0CQ2731N509 0CF3341L438 0CF3341L438 0CF3341L438 0CF3341L438 0CF3341L438 0CF3341L438 0CQ4731N509 0CQ1044R539 0CN1040K94...

Page 27: ... J220 J222 J261 J509 J510 J512 J566 L1102 R102 R105 R109 R11 R110 R1101 R111 R1110 R112 R113 R1136 R1143 R1146 R1147 R1148 R1149 R1150 R1203 R1204 R1205 R1230 R1230 R1231 R1231 R124 R125 R126 R127 R180 R181 R182 R183 R184 R185 180 822M 180 A01P 0RF0161K607 0RF0161K607 0RCZVTA002D 0RCZVTA002D 0RCZVTA002D 0RD1000F609 0RD1000F609 0RD1000F609 0RD1000F609 0RD1000F609 0RD1000F609 0RD1000F609 0RD1000F609...

Page 28: ... TA52 LOCA NO PART NO DESCRIPTION R416 R417 R418 R419 R42 R420 R421 R422 R449 R501 R504 R505 R506 R507 R508 R509 R510 R511 R512 R513 R514 R515 R516 R517 R518 R519 R520 R521 R522 R526 R527 R532 R539 R540 R541 R542 R543 R544 R545 R551 R555 R556 R557 R558 R601 R602 R603 R604 R605 R606 R607 R608 0RD6801F609 0RD8203F609 0RD2702F609 0RD2702F609 0RD4701F609 0RD2702F609 0RD3600F609 0RD1002F609 0RD0682F609...

Page 29: ... 220 OHM 1 6 W 5 00 TA52 220 OHM 1 6 W 5 00 TA52 1 8K OHM 1 6 W 5 00 TA52 100 OHM 1 6 W 5 TA52 100 OHM 1 6 W 5 TA52 100 OHM 1 6 W 5 TA52 2 2M OHM 1 2 W 7 0 5 00 TA52 1 2K OHM 1 6 W 5 TA52 220 OHM 1 6 W 5 00 TA52 10 OHM 1 6 W 5 TA52 100 OHM 1 6 W 5 TA52 62 OHM 1 6 W 5 00 TA52 220 OHM 1 6 W 5 00 TA52 100 OHM 1 6 W 5 TA52 100 OHM 1 6 W 5 TA52 LOCA NO PART NO DESCRIPTION 0RD1000F609 0RD1000F609 0RD010...

Page 30: ... 3 5X6 0MM FERRITE 62MM 1UH NY 3 5X6 0MM LINE FILTER SQE2930 10MH LINE FILTER SQE2930 10MH B39361 X6966 D100 EPCOS ST B39361 X6966 D100 EPCOS ST RESONATOR HC49U 20 250MHZ 30PPM PMJ014A E P ST PPJ109KA V I O 6P STEREO FOR21PIN PPJ109LA V I O 6P DVD IN Y PB PR ENG MANUAL OWNERS IN REG IN EN 112P Q R S MANUAL OWNERS RUS BZ03 112P Q R S TX 340M MANUAL OWNERS NEU LG AR EN 112P Q R S TX MANUAL OWNERS NE...

Page 31: ...P NO 3854VA0146A S1 2004 4 16 ...

Page 32: ...SVC SHEET 3854V A0146A S ...

Page 33: ...Oct 2004 Printed in Korea P NO 3828VD0178A ...

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