LG RT-29FD40RX Service Manual
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LG RT-29FD40RX Service Manual

LG RT-29FD40RX Service Manual

Chassis: mc-049a
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All manuals and user guides at all-guides.com
COLOR TV
SERVICE MANUAL
CHASSIS : MC-049A
MODEL:RT-29FD40RX
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-29FD40RX

  • Page 1 All manuals and user guides at all-guides.com website:http://biz.LGservice.com e-mail:http://www.LGEservice.com/techsup.html COLOR TV SERVICE MANUAL CHASSIS : MC-049A MODEL:RT-29FD40RX CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

  • Page 2: Table Of Contents

    All manuals and user guides at all-guides.com 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 Exploded View Parts List ................21 Replacement Parts List .................22 SVC. Sheet........................- 2 -...

  • Page 3: Safety Precautions

    All manuals and user guides at all-guides.com 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. FAVOURITE Q.VIEW TEXT 7. SSM (Sound Status Memory) recalls your preferred sound setting. TIME REVEAL MODE 8. I/II (option)
  • Page 5 All manuals and user guides at all-guides.com 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.
  • Page 6 All manuals and user guides at all-guides.com RF/RT-25/29FA55 series 1. MAIN POWER switches the set on or off. MENU 2. POWER/STANDBY INDICATOR illuminates brightly when the set is in standby mode. dims when the set is switched on. CF/CT-25/29M35 series 3.

  • 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

    All manuals and user guides at all-guides.com 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.
  • Page 9 All manuals and user guides at all-guides.com (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 All manuals and user guides at all-guides.com N60Hz(NTSC) N50Hz(PAL) 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.
  • Page 11 All manuals and user guides at all-guides.com 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...

  • Page 12: Trouble Shooting

    All manuals and user guides at all-guides.com 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...
  • Page 13 All manuals and user guides at all-guides.com 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)
  • Page 14 All manuals and user guides at all-guides.com 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,...
  • Page 15 All manuals and user guides at all-guides.com 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...

  • Page 16: Printed Circuit Board

    All manuals and user guides at all-guides.com PRINTED CIRCUIT BOARD MAIN - 16 -...
  • Page 17 All manuals and user guides at all-guides.com HARMONICS SIDE A/V - 17 -...

  • Page 18: Block Diagram

    All manuals and user guides at all-guides.com BLOCK DIAGRAM - 18 -...
  • Page 19 All manuals and user guides at all-guides.com - 19 -...

  • Page 20: Exploded View

    All manuals and user guides at all-guides.com EXPLODED VIEW P801 - 20 -...

  • Page 21: Exploded View Parts List

    COIL,DEGAUSSING AL 55TURN 16OHM 0.65PIE 3270MM 26” 2007F+D07L 6150V-5009A DY(DEFLECTION YOKE), 6150Z-1248G 29” LPD TINT 170-844K CPT EARTH, 29” 98T 4LUG LEAD SET SPRING(50MM) 3091V00677C CABINET ASSEMBLY, RT-29FD40RX STEREO MC049A RUSSIA NEW SET(117A) 5020V00950A BUTTON, CONTROL RN-29FD40 ABS, HF-380 6KEY 320-062H SPRING, COIL 5020V00949A...

  • Page 22: Replacement Parts List

    All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION KTA1274-Y TO-92L TP KEC Q807 0TR127409AB Q808 0TR102009AB KRC102M(KRC1202) KEC TP NA NA NA HIC920 0IZZVF0018A STK396-110 11P ST SCAN VELOCITY Q901 0TR534309AA 2SC5343Y TP AUK...
  • Page 23 All manuals and user guides at all-guides.com 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 24 All manuals and user guides at all-guides.com 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 25 All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com 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 28 430 OHM 1 W 5.00% TA62 R925 R926 0RS6800K607 680 OHM 2 W 5.00% TA62 SWITCH SW11 140-315A TACT SKHV17910B LG C&D 12V SW12 140-315A TACT SKHV17910B LG C&D 12V SW13 140-315A TACT SKHV17910B LG C&D 12V TACT SKHV17910B LG C&D 12V...
  • Page 29 All manuals and user guides at all-guides.com P/NO: 3854VA0146A - S1 2004.4.16...

  • Page 30: Svc. Sheet

    All manuals and user guides at all-guides.com SVC. SHEET : 3854V A0146A-S...
  • Page 31 All manuals and user guides at all-guides.com Dec.,2004 P/NO : 3828VD0194M Printed in Korea...

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