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LG RT-29FA30V Service Manual

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COLOR TV

SERVICE MANUAL

CHASSIS : MC-007C
MODEL:RT-29FA30V/RX/RU
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-29FA30V

  • Page 1: Service Manual

    COLOR TV SERVICE MANUAL CHASSIS : MC-007C MODEL:RT-29FA30V/RX/RU CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
  • Page 2: Table Of Contents

    CONTENTS Contents ......................... 2 Safety Precautions ....................3 Specifications ..................... 4 Control Descriptions ..................5 Disassembly Instructions ................8 Adjustment Instructions ................9 Exploded View ....................24 Exploded View Parts List ................25 Replacement Parts List ................26 SVC. Sheet ........................
  • 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: Specifications

    SPECIFICATIONS Note : Specification and others are subject to change without notice for improvement. Video input system: SOUND IF : 33.4MHz (B/G) PAL-B/G, D/K, I/I 32.9MHz (I/I) SECAM-B/G, D/K/L/L’ 32.4MHz (D/K,L) NTSC M 34.4MHz (M) NTSC 4.43(AV) 40.4MHz (L’) Intermediate Frequency (Unit : MHz) VISION IF : 38.9MHz,33.9MHz(SECAM-L’) Power requirement : 110~240V, 50/60Hz COLOR IF : 34.47MHz(4.43)
  • Page 5: Control Descriptions

    I/II accepts your selection or displays the current mode. EYE/ TEXT/ TIME REVEAL SLEEP 5. VCR BUTTONS (option) control a LG video cassette recorder. SIZE STILL POSITION 9/4PIP 6. SSM (Sound Status Memory) SWAP INPUT recalls your preferred sound setting.
  • Page 6 14. LIST displays the programme table. 15. I/II selects the language during dual language broadcast (option). selects the sound output. 16. PIP BUTTONS (option) switches the sub picture on or off. PR +/- POWER MUTE selects a programme for the sub picture. SWAP alternates between main and sub picture.
  • Page 7: Front Panel

    Front panel CT-29Q26/27 series CT-25Q26/27 series STAND BY POWER POWER MENU OK MENU CT-25/29H46/47 series CT-29K36/37 series S-VIDEO VIDEO L/MONO AUDIO VIDEO TV/AV POWER POWER MENU OK (L/MONO) AUDIO 46 8 1 2 3 10 11 CT-25/29H36/37 series CT-29M30/32 series TV/AV MENU VIDEO (L/MONO) AUDIO (R)
  • Page 8: Disassembly Instructions

    DISASSEMBLY INSTRUCTIONS Important note Chassis Assy Removal This set is disconnected from the power supply through the Grasp both side of Frame and pull it backward smoothly. converter transformer. An isolating transformer is necessary for service operations on the primary side of the converter transformer.
  • Page 9: Adjustment Instructions

    ADJUSTMENT INSTRUCTIONS Safety Precautions L’ VCO Adjustment (For SECAM-L’ MODEL) 1. It is safe to adjust after using insulating transformer between the power supply line and chassis input to prevent the risk of Test Point : TP1 electric shock and protect the instrument. 2.
  • Page 10 EP (East-west Parabolar) Adjust so that middle portion of the outermost left and right vertical line looks like parallel with vertical lines of the CPT. EC (East-west Coner) Adjust so that the vertical line at every 4 corners of the screen looks like parallel with the vertical lines of the CPT.
  • Page 11 Menu Range DATA 0 ~ 511 0 ~ 511 0 ~ 511 0 ~ 511 0 ~ 511 0 ~ 511 (Table 3) SVC Data & PSM,SSM Data. Table 1. ABL Data (LINE SVC-3) Menu Range 29” Flat 29” S-Flat DVCO IBRM 0~1FFH...
  • Page 12 OPTION Adjustment (LINE-SERVICE OPTION) Table 4. OPTION Function OPTION Menu GAME GAME TEXT TEXT Option 1 ACMS Australia Only CH+AU China,Australia TURBO Turbo Search SCART SCART A2 ST STEREO I II SV I/II MONO MONO Middle East Africa,India VOL. Normal VOL. Option 2 H-PH H/Phone...
  • Page 13 OPTION TOP ACMS CH+AU TURBO SCART GAME TEXT Table 5. OPTION 1 Function Data Option Code Function Remark Without GAME GAME With GAME Without TXT TEXT With TXT FLOP TXT Without TOP Text TOP TEXT Without ACMS funtion Austrailia ACMS With ACMS funtion Without D/K CHINA or BB System CH+AU...
  • Page 14 OPTION OPTION TOP ACMS CH+AU TURBO SCART TOP ACMS CH+AU TURBO SCART GAME TEXT GAME TEXT Data Data...
  • Page 15 OPTION OPTION TOP ACMS CH+AU TURBO SCART TOP ACMS CH+AU TURBO SCART GAME TEXT GAME TEXT Data Data...
  • Page 16 OPTION OPTION I/II TOP ACMS CH+AU TURBO SCART MONO TILT H-PH GAME TEXT Data Data Table 7. OPTION 2 Function Option Code Function Remark RF MONO A2 ST RF STEREO I/II SV I/II MONO NORMAL VOLUME CURVE W/O H.PHONE W/H.PHONE W/O DEGAUSSING TILT W/DEGAUSSING...
  • Page 17 OPTION I/II OPTION I/II MONO TILT MONO TILT H-PH H-PH Data Data...
  • Page 18 OPTION I/II OPTION I/II MONO TILT MONO TILT H-PH H-PH Data Data...
  • Page 19 OPTION I/II OPTION H-PH MONO TILT HOTEL INCH AV 2 Data Data Table 9. OPTION 3 Function Option Code Function Remark REAR JACK REAR JACK 1EA REAR JACK 2EA HOTEL OPTION W/O HOTEL HOTEL W/HOTEL LOCAL KEY 6 KEY 4 KEY SOFT TOUCH 8 KEY BG/I/DK...
  • Page 20 OPTION OPTION HOTEL INCH HOTEL INCH AV 2 AV 2 Data Data...
  • Page 21 OPTION OPTION HOTEL INCH HOTEL INCH AV 2 AV 2 Data Data...
  • Page 22 OPTION HOTEL INCH AV 2 Data Table 11. OPTION 4 Funtion CODE Language Funciton E Only English English+EU5 English/German/French/Italian/Spanish LANG English+Other EU English/Dutch/Swedish/Norwegian/Danish/Swiss/Portuguess/Roman ian/Polish/Hungarian/Czech/Russian FARSI ARAB URDU E+HINDI E+I+M+V E+THAI E+CHINA West Europe TEXT East Europe LANG Turkey Czecho/Hungary Cyrillic 1 Cyrillic 2 Cyrillic 3 Turkey/Greek 1...
  • Page 23 OPTION OPTION OPTION OPTION LANG LANG LANG LANG Data Data LANG Data Data LANG LANG LANG...
  • Page 24: Exploded View

    EXPLODED VIEW P801...
  • Page 25: Exploded View Parts List

    BUTTON,POWER 3809V00234C BACK COVER ASSY 4810V00233B BRACKET,MAIN FRAME 3500V00022E BOARD,A/V 1S/1P(9) 3500V00022F BOARD,A/V 1P(6)/1P(9) 6871VSM590A PWB ASSY,CPT 007A LG FLAT 29” STV5109 6871VMM836A PWB ASSY,MAIN 29FA30RU 6871VMM836B PWB ASSY,MAIN 29FA30RU 6871VMM836C PWB ASSY,MAIN 29FA30RX 6871VMM836D PWB ASSY,MAIN 29FA30V 6871VMM836H PWB ASSY,MAIN 29FA30R...
  • Page 26: Replacement Parts List

    The components identified by mark critical for safety. REPLACEMENT PARTS LIST Replace only with part number specified. LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION D406 0DR150009AB DIODE,RECTIFIER RGP15G TP D407 0DD414809ED DIODE,1N4148 TA D850 0ISK100300A IC,SLA1003 SIP12 BK DIODE MODULE( D408 0DD100009AE DIODE,RECTIFIER RU1A V(1)
  • Page 27 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film The components identified by mark the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film critical for safety. digit in the P/No. means as CE : Electrolytic RN : Metal Film Replace only with part number specified.
  • Page 28 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film The components identified by mark the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film critical for safety. digit in the P/No. means as CE : Electrolytic RN : Metal Film Replace only with part number specified.
  • Page 29 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film The components identified by mark the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film critical for safety. digit in the P/No. means as CE : Electrolytic RN : Metal Film Replace only with part number specified.
  • Page 30 The components identified by mark For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film critical for safety. digit in the P/No. means as CE : Electrolytic RN : Metal Film Replace only with part number specified.
  • Page 31 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film The components identified by mark the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film critical for safety. digit in the P/No. means as CE : Electrolytic RN : Metal Film Replace only with part number specified.
  • Page 32 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film The components identified by mark the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film critical for safety. digit in the P/No. means as CE : Electrolytic RN : Metal Film Replace only with part number specified.
  • Page 33 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film The components identified by mark the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film critical for safety. digit in the P/No. means as CE : Electrolytic RN : Metal Film Replace only with part number specified.
  • Page 34 LOCA. NO PART NO DESCRIPTION R1401 0RS0221H609 2.2 OHM 1/2 W 5.00% TA52 SW1106 140-315A SWITCH,TACT SKHV17910B LG C&D NON 12V R1402 180-C02M 5.6K OHM 1/2 W 10% TA52 FILTER & CRYSTAL RN01 0RD1000F609 100 OHM 1/6 W 5.00% TA52...
  • Page 35 P/No : 3854VA0071C-S1(1/2) 2001.09.15...
  • Page 36 PRINTED CIRCUIT BOARD COMPONENT LOCATION GUIDE C01..B2 C184..A3 C604..A2 D601..A1 JW1A..A5 Q07 ..B1 R51..B3 R207 ..C5 R609..B2 Z101 ..B5 C02..B2 C185..B3 C605..A3 D602..A1 JW2A..F5 Q08 ..A1 R52..B3 R209 ..C5 R610..A1 Z102 ..B4 MAIN C03..B2 C186..B3 C606..A3 D802..F3 L01 ..C1 Q101 ..B5 R53..B3 R210 ..D5 R611..A1...
  • Page 37 P/No : 3854VA0071C-S2(1/2) 2001.09.15...
  • Page 38 WIRING DIAGRAM BLOCK DIAGRAM CABINET AC_IN PRE- LOCAL KEY 110~240V AMP. SENSOR ST-BY 5V S-Video AV3-IN SPEAKER CONNECTOR TILT ST_BY(2W) 3.3 V REG 5V REG HIC181 POWER IC04 IC851 D-COIL (OPTION) at pin 44 of ICP(V)01. 28 S-VIDEO SEL. (R,L) Y/V3 C TVTXT(MICOM + TEXT) 9V REG...
  • Page 39: Svc. Sheet

    SVC. SHEET : 3854V A0071C-S1 SVC. SHEET : 3854V A0071C-S2...
  • Page 40 Sep.,2001 P/NO : 3828VD0077W Printed in Korea...

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Rt-29fa30rxRt-29fa30ru