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LG RT-29FA35RB Service Manual

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COLOR TV

SERVICE MANUAL

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

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  Summary of Contents for LG RT-29FA35RB

  • Page 1: Service Manual

    website:http://biz.LGservice.com e-mail:http://www.LGEservice.com/techsup.html COLOR TV SERVICE MANUAL CHASSIS : MC-049A MODEL:RT-29FA35R/RB/RE/RP MODEL:RT-29FA35RQ/RT/V/VE CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
  • Page 2: Table Of Contents

    CONTENTS Contents ........................2 Safety 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........................- 2 -...
  • Page 3: Safety Precautions

    SAFETY PRECAUTIONS IMPORT ANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by the Schematic Diagram and Replacement Parts List. It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.
  • Page 4: Control Descriptions

    STOP (Volume Up/Down) adjusts the volume. adjusts menu settings. I/II LIST SLEEP EYE/ 6. VCR BUTTONS (option) control a LG video cassette recorder. Q.VIEW FAVOURITE TEXT 7. SSM (Sound Status Memory) recalls your preferred sound setting. TIME REVEAL MODE 8. I/II (option)
  • Page 5 15. LIST displays the programme table. 16. EYE/ (option) POWER switches the eye function on or off. MUTE 17. SLEEP sets the sleep timer. 18. Q.VIEW returns to the previously viewed programme. 19. FAVOURITE TV/AV selects a favorite programme. MENU SOUND PICTURE 20.
  • Page 6: Front Panel

    Front panel RF/RT-29FA35 series 1. MAIN POWER switches the set on or off. 2. POWER/STANDBY INDICATOR illuminates brightly when the set is in MENU ON/OFF standby mode. dims when the set is switched on. 234 5 3. MENU CF/CT-25/29Q25 series selects a menu.
  • Page 7: Specifications

    P/N of B.O.M 5) Warm up TV set for more than 20min. before the 230V~, 50/60Hz measurement. Test and Inspection Method 1) performance:Follow the Standard of LG TV test 2) Standards of Etc. requirement - Safety: IEC60065 - EMC: EN55020,EN55013 General Specification...
  • Page 8: Adjustment Instructions

    ADJUSTMENT INSTRUCTIONS 1. Application Object 4. Purity & Convergence adjustment These instructions are applied to all of the color TV, MC-049A. As preparatory operations before CPT Assembling assembling CPT, wind cotton Tape for 2. Notes protecting to CPT NECK and DY, CPT connection parts.
  • Page 9: Screen Voltage Adjustment

    (5) Open angle of the two tab of 6 pole magnet by isogonic 2. White balance IIC Parameter angle and accord with vertical line of Red/Blue and Green. Program TWBeng2.0 Program TWBeng2.0 Speed Delay (6) Maintain as angle of (5) and rotate the tab to accord with horizontal line.
  • Page 10 N50Hz(PAL) N60Hz(NTSC) Menu Variable range 29” 29” -512~511 -512~511 -512~511 -512~511 32~2047 -256~255 -512~511 <Fig. 2>PAL Digital pattern (EU05CH) -512~511 ANGLE -512~511 (4) VS (Vertical Shift) adjustment: Adjust so that the geometric vertical center line is in accord -512~511 with vertical center line of CPT. UPCOR -512~511 (5) HS(Horizontal Shift) adjustment:...
  • Page 11 8-4. OPTION2 Function Option Code Function TSEARCH Without TURBO SEARCH With TURBO SEARCH 200PR 100 PROGRAM SAVE 200 PROGRAM SAVE Without EYE With EYE TX019 8KEY 8KEY 4KEY 4KEY 8-5. OPTION3 Function Option Code Function REMARK SYSTEM ACMS Without ACMS Function With ACMS Function FLOT TXT TOP TXT...
  • Page 12: Trouble Shooting

    TROUBLE SHOOTING RF- STEREO Selected correct system In menu Check the waveform Check / Replace IF 1 of TU101 TU 101 Check the waveform Check The Voltage Check The voltage At pin 4, 5 of IC11 At pin 2, 19, 20, 21, 24 of IIC11 At pin of IC821, IC822, Q807 Check the waveform Check / Replace...
  • Page 13 NO RASTER CHECK B+ At D829 cathode Normal Abnormal Open Is the voltage at Check each pin voltage of IC11 Fuse of AC line Check / Replace Fuse Check the In/out of Check pin 60 Check the Voltage regulator Of IC11(H - Out) Of C803 (IC821, IC822 Check &...
  • Page 14 No Picture / No Sound Is any OSD displayed? Check receiving system in MENU Check IC11 pin71,72,73 & execute Auto - Program. (R,G,B out) Does the auto - Program Operate properly. Store on manual - program MENU Go to Check SMPS Trans Check 1.8V, 3.3V, Check pin40(V out 1) No Sound /...
  • Page 15 AV Stereo Select correct system In menu Check the connection Of AV equipment Check the the waveform Check TU101 Tuner At pin16, 17 of IC11 Check the voltage Check the waveform Of pin2, 19, 20, 21,24 of IC11 At pin4, 5, of IC11 Check the signal line of Check waveform SPK-L,R...
  • Page 16: Printed Circuit Board

    PRINTED CIRCUIT BOARD MAIN - 16 -...
  • Page 17 CPT+VM CONTROL SIDE A/V - 17 -...
  • Page 18: Block Diagram

    BLOCK DIAGRAM - 18 -...
  • Page 19 - 19 -...
  • Page 20: Exploded View

    EXPLODED VIEW - 20 -...
  • Page 21: Exploded View Parts List

    CPT EARTH, 29” 98T 4LUG LEAD SET SPRING(50MM) 174-009E POWER CORD, POWER(W/HOLD,HOUSING,L=200,4.0 (LGEIN) 174-009V POWER CORD, POWER(W/HOLD,HOUSING)L=400,4.0” 3091V00727D CABINET ASSEMBLY, RT-29FA35RB STEREO E_PHONE MC049A 117A (EYE) C/SKD 3091V00B05Y CABINET ASSEMBLY, RT-29FA35RB STEREO MC049A 3091V00B05Z CABINET ASSEMBLY, RT-29FA35R STEREO MC049A #117A W/O EYE (LGEIN) 5020V00480D...
  • Page 22 EXPLODED VIEW (RT-29FA35R-LGEMT) - 22 -...
  • Page 23 EXPLODED VIEW PARTS LIST Replace only with part number specified. LOCA. No. PART No. DESCRIPTIONS 6334V29003A CPT, A68QCU759X 00M7ND LG-PHILIPS 48KHZ S/FOCUS 120-D38C SPEAKER,MID-RANGE 8 OHM 15/25W 87 128*77 120-C76G SPEAKER,TWEETER C050TX-357K14 FOSTER 8OHM 15/25W 88DB OTHERS 4810V00165D BRACKET, DOME(L) PP KCT29Q20...
  • Page 24: Replacement Parts List

    REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION Q601 0TR198009BA 2SA1980Y TP AUK BF421L(AMMO)TO-92 TP PHILIPS Q801 0TR421009CB HIC920 0IZZVF0018A STK396-110 11P ST 0TR534309AA 2SC5343Y TP AUK Q802 IC11 0IZZVA1001A VCT3804F DIP 64P DIP VCTI49XY Q803 0TR102009AB KRC102M(KRC1202) TP...
  • Page 25 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 26 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 27 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 28 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 29 R858 0RD4701F609 4.7K OHM 1/6 W 5% TA52 R901 0RD2200F609 220 OHM 1/6 W 5.00% TA52 SW1101 140-315A TACT SKHV17910B LG C&D 12V R902 0RD2200F609 220 OHM 1/6 W 5.00% TA52 SW1102 140-315A TACT SKHV17910B LG C&D 12V R903 0RD2200F609 220 OHM 1/6 W 5.00% TA52...
  • Page 30 PPJ109LA/V I/O 6P DVD IN Y-PB-PR ENG ACCESSORIES 3828VA0464G MANUAL,OWNERS IN/REG IN/EN 112P/Q/R/S 3828VA0464H MANUAL,OWNERS RUS/BZ03 112P/Q/R/S TX 340M 3828VA0464F MANUAL,OWNERS NEU LG AR/EN 112P/Q/R/S TX 3828VA0464B MANUAL,OWNERS NEU LG EN 112P/Q/R/S TX 6710V00112S REMOTE CONTROLLER,W/O PIP W/O TXT 6710V00112P REMOTE CONTROLLER,W/PIP W/TXT FULL SPEC...
  • Page 31 P/NO: 3854VA0146A - S1 2004.4.16...
  • Page 32: Svc. Sheet

    SVC. SHEET : 3854V A0146A-S...
  • Page 33 Oct.,2004 P/NO : 3828VD0178A Printed in Korea...