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LG RT-29FD15R Service Manual

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COLOR TV

SERVICE MANUAL

CHASSIS : MC-049A
MODEL:RT-29FD15R/RB/RE/RK
MODEL:RT-29FD15RQ/V/VE/VX
MODEL:RT-29FD16RX
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-29FD15R

  • Page 1: Service Manual

    COLOR TV SERVICE MANUAL CHASSIS : MC-049A MODEL:RT-29FD15R/RB/RE/RK MODEL:RT-29FD15RQ/V/VE/VX MODEL:RT-29FD16RX 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 Exploded View Parts List ................21 Replacement Parts List .................22 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 RF/RT-25/29CA45 series 1. MAIN POWER MENU switches the set on or off. ON/OFF 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. 4. OK accepts your selection or displays the current mode.
  • 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 29Ó 29Ó -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 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, A68QCU770X S/TINT LG-PHILIPS DISPLAYS 48KHZ 00M 0.3G (LGEMT) 6341V29009C BARE CPT ASSEMBLY, LG A68QCU770X,1023A,TINT 6341V29009E BARE CPT ASSEMBLY, LG 29 FLAT SOUTH TINT BARE CPT ASSY (LGEAP) 6334V29010B CPT, A68QCU770X 000MGB LG-PHILIPS DISPLAYS 48KHZ LPDSG S/TINT EXPORT 6334V29011A CPT, A68QCU770X 00ULGD LG-PHILIPS DISPLAYS 16KHZ (LGEAP)
  • Page 22: 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 VCT4973F 88P PSSDIP ST FLASH IC11 0IMCRMN026A D180 0DD414809ED 1N4148 TP GRANDE 0IZZVA1001D VCT3804F DIP 64P DIP VCTI49XY IC11 D181 0DD414809ED...
  • Page 23 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 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 0RD1000F609 100 OHM 1/6 W 5% TA52 R664 0RD4701F609 4.7K OHM 1/6 W 5% TA52 SW11 140-315A TACT SKHV17910B LG C&D 12V R802 0RKZVTA001K 0.47M OHM 1/2 W 5% TA52 SW12 140-315A TACT SKHV17910B LG C&D 12V RWR 15W 1.0 OHM J PD...
  • Page 28 LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION SW16 140-315A TACT SKHV17910B LG C&D 12V SW801 6600VM2002A SDKEA3 ALPS IEC 250V 8A HORIZONTAL 480G SPARK GAP SG901 165-004A AG20PT 152F-L3N/S-23 SG902 165-004A AG20PT 152F-L3N/S-23 SG903 165-004A AG20PT 152F-L3N/S-23...
  • Page 29 P/NO: 3854VA0146A - S1 2004.4.16...
  • Page 30: Svc. Sheet

    SVC. SHEET : 3854V A0146A-S...
  • Page 31 Mar.,2005 P/NO : 3828VD0178H Printed in Korea...