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LG RT-29FE61RX Service Manual

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COLOR TV

SERVICE MANUAL

CHASSIS : MC-049A
MODEL:RT-29FE60/61RX
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-29FE61RX

  • Page 1: Contents

    website:http://biz.LGservice.com e-mail:http://www.LGEservice.com/techsup.html COLOR TV SERVICE MANUAL CHASSIS : MC-049A MODEL:RT-29FE60/61RX CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
  • Page 2: 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 3: 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 4 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 5: Front Panel

    Front panel RF/RT-25/29FA51/55 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. MENU selects a menu. TV/AV 4.
  • Page 6: Specifications

    Test and Inspection Method 4) Follow each drawing or spec for spec and performance of 1) performance:Follow the Standard of LG TV test parts,based upon P/N of B.O.M 2) Standards of Etc. requirement 5) Warm up TV set for more than 20min. before the - Safety: IEC60065 measurement.
  • Page 7: 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 8: 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 9 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 10 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 11: 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 12 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 13 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 14 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 15: Printed Circuit Board

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

    BLOCK DIAGRAM...
  • Page 19: Exploded View

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

    LOCA. No. PART No. DESCRIPTIONS 4980V01123A SUPPORTER, HIPS 60HR RT-29FE60 CPT SUPPORTER 6334V29010B CPT, A68QCU770X 000MGB LG-PHILIPS DISPLAYS 48KHZ LPDSG S/TINT 6400VA0025D SPEAKER,FULLRANGE C163A01K1450 ESTEC8OHM 10/15W 87DB 6140VC2005F COIL,DEGAUSSING 29 FLAT ASSY (W) SELLA TECH 2001R+D07L 6150V-5009B DY(DEFLECTION YOKE), 6150Z*1248G 29” LPDSG TINT 170-844K CPT EARTH, 29”...
  • Page 21: 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 Exploded View Parts List ................21 Replacement Parts List .................22 SVC. Sheet........................
  • Page 22 P/NO: 3854VA0146A - S1 2004.4.16...
  • Page 23: Replacement Parts List

    REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION Q901 0TR534309AA 2SC5343Y TP AUK DIODE HIC920 0IZZVF0018A STK396-110 11P ST SCAN IC11 0IMCRMN026A VCT4973F MICRONAS 88P PSSDIP ST D180 0DS141489AB 1N4148 TP GRANDE - 20V 0IMMRSG036C M24C16-WBN6 8PIN PDIP ST 16M IC12 D181...
  • Page 24 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 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 0RD1001F609 1K OHM 1/6 W 5% TA52 SWITCH R622 0RD1000F609 100 OHM 1/6 W 5% TA52 1K OHM 1/6 W 5% TA52 SW11 TACT SKHV17910B LG C&D 12V R622 0RD1001F609 140-315A R623 0RD1000F609 100 OHM 1/6 W 5% TA52 SW12 140-315A TACT SKHV17910B LG C&D 12V...
  • Page 29: Svc. Sheet

    SVC. SHEET : 3854V A0146A-S...
  • Page 30 Dec.,2004 P/NO : 3828VD0194L Printed in Korea...