LG CT-25Q47E Service Manual
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LG CT-25Q47E Service Manual

LG CT-25Q47E Service Manual

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All manuals and user guides at all-guides.com
COLOR TV
SERVICE MANUAL
CHASSIS : MC-007A
MODEL:CT-25/29Q47E/P/EN/EX
MODEL:CT-25/29Q46EN CF-29F84
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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  • 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-007A MODEL:CT-25/29Q47E/P/EN/EX MODEL:CT-25/29Q46EN CF-29F84 CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

  • Page 2: Table Of Contents

    CONTENTS All manuals and user guides at all-guides.com Contents ......................... 2 Safety Precautions ....................3 Specifications ..................... 4 Control Descriptions ..................5 Disassembly Instructions ................8 Adjustment Instructions ................9 Exploded View ....................14 Exploded View Parts List ................15 Replacement Parts List ................16 SVC.

  • Page 3: Safety Precautions

    SAFETY PRECAUTIONS All manuals and user guides at all-guides.com IMPORTANT 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 All manuals and user guides at all-guides.com 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’)

  • 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 All manuals and user guides at all-guides.com 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.
  • Page 7 All manuals and user guides at all-guides.com 1. MAIN POWER switches the set on or off. 2. POWER/STANDBY INDICATOR illuminates brightly when the set is in standby mode. dims when the set is switched on. 3. MENU selects a menu. 4.

  • Page 8: Disassembly Instructions

    DISASSEMBLY INSTRUCTIONS All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com ¡ Safety Precautions ¡ LÕ VCO Adjustment (For SECAM-LÕ 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.
  • Page 10 EP (East west Parabolar) Adjust so that middle portion of the outermost left and right All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com 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 29Ó...
  • Page 12 ¡ OPTION Adjustment (LINE-SERVICE OPTION) All manuals and user guides at all-guides.com Table 4. OPTION Function Menu OPTION GAME GAME TEXT TEXT ACMS Australia Only Option 1 CH+AU China,Australia TURBO Turbo Search SCART SCART A2 ST STEREO I II SV I/II MONO MONO...
  • Page 13 MEMO All manuals and user guides at all-guides.com - 13 -...

  • Page 14: Exploded View

    EXPLODED VIEW All manuals and user guides at all-guides.com P801 - 14 -...

  • Page 15: Exploded View Parts List

    EXPLODED VIEW PARTS LIST Replace only with part number specified. All manuals and user guides at all-guides.com Part No. Description 25" 29" 2426GE259AJ 2426GF239AR CPT SET 6400VA0027A 6400VA0027A SPEAKER,GENERAL H165/051800A 8 OHM 10/1 3110V00073A 3110V00073A CASE,SPEAKER 150-D05Z 6140VC2005F COIL,DEGAUSSING 6150Z-1230F 6150Z-1240A 170-844G 170-844K...

  • Page 16: Replacement Parts List

    All manuals and user guides at all-guides.com 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 0DD414809ED DIODE,1N4148 TA D412 D601 0DD414809ED DIODE,1N4148 TA D850 0ISK100300A...
  • Page 17 All manuals and user guides at all-guides.com 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.
  • Page 18 All manuals and user guides at all-guides.com 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.
  • Page 19 All manuals and user guides at all-guides.com 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.
  • Page 20 All manuals and user guides at all-guides.com 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.
  • Page 21 All manuals and user guides at all-guides.com 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.
  • Page 22 All manuals and user guides at all-guides.com 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.
  • Page 23 All manuals and user guides at all-guides.com 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.
  • Page 24 RV34 0RD3300F609 330 OHM 1/6 W 5.00% TA52 ACCESSORIES VR121 180-F03H EVN-DJAA03 B103 SEMI-FIX(H) TA 3828VA0316C MANUAL,OWNERS MC007A SY-AP LG EN 083A/D TX 3 SPARK GAP 3828VA0316D MANUAL,OWNERS MC007A SY- LG AR/EN SG901 165-004A SPARK GAP,AG20PT 152F-L3N/S-23 3828VA0316J MANUAL,OWNERS MC007A IN LG EN...
  • Page 25 All manuals and user guides at all-guides.com Video P/No : 3854VA0071A-S1 Audio 2000.06.15...
  • Page 26 All manuals and user guides at all-guides.com 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...
  • Page 27 All manuals and user guides at all-guides.com WIRING DIAGRAM BLOCK DIAGRAM CABINET AC_IN PRE- 110~240V LOCAL KEY AMP. SENSOR ST-BY 5V AV3-IN S-Video 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.

  • Page 28: Svc. Sheet

    All manuals and user guides at all-guides.com SVC. SHEET:3854V A0071A-S1 SVC. SHEET:3854V A0071A-S2...
  • Page 29 All manuals and user guides at all-guides.com Apr.,2002 P/NO : 3828VD0077Z Printed in Korea...

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