LG CE-29Q46ET Service Manual

LG CE-29Q46ET Service Manual

Chassis mc-007a
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P/NO : 3828VD0077T
Feb.,2001
Printed in Korea
COLOR TV

SERVICE MANUAL

CHASSIS : MC-007A
MODEL:CE/CL-29Q46ET
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 CE-29Q46ET

  • Page 1: Service Manual

    website:http://biz.LGservice.com e-mail:http://www.LGEservice.com/techsup.html COLOR TV SERVICE MANUAL CHASSIS : MC-007A MODEL:CE/CL-29Q46ET CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. Feb.,2001 P/NO : 3828VD0077T Printed in Korea...
  • Page 2: Table Of Contents

    CONTENTS 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. 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: Specifications

    SPECIFICA TIONS 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 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 CE/CL-25Q26 series CE/CL-29Q46 series MENU STAND BY POWER POWER MENU OK 2 4 5 3 CE/CL-29Q26 series CE/CL-25/29H46 series S-VIDEO STAND BY POWER Side MENU VIDEO POWER MENU OK panel (L/MONO) 7 23 4 5 AUDIO CE/CL-25/29H36 series CE/CL-28H86 series Side VIDEO...
  • 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 ¡ 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. 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 29Ó Flat 29Ó S-Flat DVCO IBRM 0~1FFH...
  • Page 12 ¡ OPTION Adjustment (LINE-SERVICE OPTION) Table 4. OPTION Function OPTION Menu 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 Middle East Africa,India VOL. Normal VOL.
  • Page 13 MEMO - 13 -...
  • Page 14: Exploded View

    EXPLODED VIEW P801 - 14 -...
  • Page 15: Exploded View Parts List

    BUTTON,POWER 3809V00242F BACK COVER ASSY(2-SCART/PHONE) 3210V00083A FRAME,MAIN 6871VSM590A PWB ASSY,CPT MC007A FLAT 29Ó STV5109 6871VMM612X PWB ASSY,MAIN 007A CE-29Q46ET(W/ST) 6871VMM612V PWB ASSY,MAIN 007A CE- 29Q46ET(W/O ST-BY) 6871VMM753A PWB ASSY,MAIN 007A CL-29Q46ET 6871VSM711A PWB ASSY,VCD 007A W/O PIP,W/(SVHS,SVM) 6871VSM589A PWB ASSY,RF ST. W/ H_PHONE...
  • Page 16: 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 D803 0DD100009AM DIODE,RECTIFIER EU1ZV(1) TP DIODE,1N4148 TA D804 0DD414809ED HIC181 0IZZVF0016A IC TILT 7P,SIP BK . 0ISK100300A IC,SLA1003 SIP12 BK DIODE MODULE( D850...
  • Page 17 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 18 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 19 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 20 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 21 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 22 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 23 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 24 SG904 165-004A SPARK GAP,AG20PT 152F-L3N/S-23 SWITCH SWP801 6600VM2002A SWITCH,PUSH SDKEA3 IEC 250V 8A HORIZO SW1101 140-313B SWITCH,TACT 2LEAD 160G(TA) LG C&D NON SWITCH,TACT 2LEAD 160G(TA) LG C&D NON SW1102 140-313B SW1103 140-313B SWITCH,TACT 2LEAD 160G(TA) LG C&D NON SW1104 140-313B SWITCH,TACT 2LEAD 160G(TA) LG C&D NON...
  • Page 25 Video P/No : 3854VA0071A-S1 Audio 2000.06.15...
  • Page 26 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 27 WIRING DIAGRAM BLOCK DIAGRAM CABINET AC_IN PRE- 110~240V LOCAL KEY AMP. SENSOR ST-BY 5V S-Video AV3-IN TILT SPEAKER CONNECTOR ST_BY(2W) 3.3 V REG 5V REG HIC181 POWER IC04 IC851 D-COIL (OPTION) 28 S-VIDEO SEL. at pin 44 of ICP(V)01. (R,L) Y/V3 C TVTXT(MICOM + TEXT) SDA5555/5521 IC01...
  • Page 28: Svc. Sheet

    SVC. SHEET : 3854V A0071A-S1 SVC. SHEET : 3854V A0071A-S2...

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