LG WT-32Q82IP Service Manual
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LG WT-32Q82IP Service Manual

LG WT-32Q82IP Service Manual

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COLOR TV
SERVICE MANUAL
CHASSIS : MC-006A
MODEL:WT-32Q82IP
MODEL:WT-32Q81IP
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 COLOR TV SERVICE MANUAL CHASSIS : MC-006A MODEL:WT-32Q82IP MODEL:WT-32Q81IP 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 T rouble Shooting ....................19 Wiring Diagram ....................25 Exploded View ....................26 Exploded View Parts List................27 Replacement Parts List ................28 SVC.

  • 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

    8. PSM (Picture Status Memory) recalls your preferred picture setting. 9. I/II selects the language during dual language broadcast. selects the sound output (option). 10. VCR BUTTONS control a LG video cassette recorder. - 5 -...
  • Page 6 11. TV/AV selects TV or AV mode. clears the menu / text from the screen. switches the set on from standby. POWER 12. TURBO PICTURE BUTTON selects Turbo picture. TV/AV TURBO 13. TELETEXT BUTTONS SOUND PICTURE These buttons are used for teletext. For further details, see the ‘Teletext’...
  • Page 7 Front panel POWER L/MONO S-VIDEO VIDEO AUDIO POWER Top panel Back panel TV/AV MENU ANT IN 1. POWER/STANDBY INDICATOR 8. OK illuminates red when the set is in standby accepts your selection or displays the current mode and green when the set is switched on. mode.

  • 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

    1) Tune the TV set to receive a digital pattern. 2) Adjust the upper Focus volume of FBT for the best focus of vertical line B. Menu LG 29” FLAT LG 29” S/F LG 32” FLAT 3) Adjust the lower Focus volume of FBT for the best focus of area A.
  • Page 10 OPTION Adjustment (SVC MODE:OPTION-1, VA (Vertical Amplitude) OPTION-2, OPTION-3,Teletext) Adjust so that the circle of a digital circle pattern may be located within the effective screen of the CPT. 1) Press YELLOW button or OP1,OP2,OP3,OP4 button on HS (Horizontal Shift) SVC Remote Controller .
  • Page 11 OPTION OPTION 200 PR TSEAR I/II SV A2 ST 200 PR TSEAR I/II SV A2 ST Data Data - 11 -...
  • Page 12 OPTION OPTION 200 PR TSEAR I/II SV A2 ST 200 PR TSEAR I/II SV A2 ST Data Data - 12 -...
  • Page 13 OPTION OPTION 200 PR TSEAR I/II SV A2 ST 200 PR TSEAR I/II SV A2 ST Data Data Table 3. OPTION 2 Function Option Code Function Remark WITHOUT ACMS FUNTION ACMS WITH ACMS FUNTION STANDARD CURVE LOW STEP=>RUSH RUSHED CURVE HIGH STEP=>SLOW WITHOUT H/PHONE JACK H/PHO...
  • Page 14 Table 4. OPTION 2 CODE Data DATA ACMS H/PHO WOOFER DATA ACMS H/PHO WOOFER - 14 -...
  • Page 15 DATA ACMS H/PHO WOOFER DATA ACMS H/PHO WOOFER - 15 -...
  • Page 16 DATA ACMS H/PHO WOOFER DATA ACMS H/PHO WOOFER Table 5. OPTION 3 Function Option Code Function Remark 4:3 TV WIDE 16:9 TV NON EU Without D/K CHINA or BB CH+AU With D/K CHINA or BB Table 6. OPTION 3 CODE Data DATA WIDE CH+AU DATA WIDE...
  • Page 17 Table 7. OPTION 4 Funtion CODE Language Funciton OPTION LANG E Only English English+EU 4 English/German/French/Italian/Spanish English+Other EU English/Dutch/Swedish/Norwegian/Danish/Swiss/Portuguess/Roman ian/Polish/Hungarian/Czech/Russian English+FARSI English/Farsi English+Arab+URDU English/French/Arab+Urdu English+India English/Swedish/Norwegian/Danish/Finish English+East-South Asia English/Indonesian/Malaysian/Vietnamese English+THAI English/Thai English+China English/China West Europe English/French/Swedish/Czech/German/Spanish/Itallian T LAN East Europe Polish/Fench/Swedish/Czech/German/Slovenian/Italian/Romanian Turkey English/French/Swedish/Turkish/German/Spanish/Itallian...
  • Page 18 Table 8. OPTION 4 Code Data LANG TLAN LANG TLAN LANG TLAN LANG TLAN LANG TLAN DATA DATA DATA DATA DATA - 18 -...

  • Page 19: Trouble Shooting

    Trouble Shooting Check pin 42 of IC01. Check the voltage at Check / Replace pin 50 of IC01. Q12,Q851,Q852,Q853,D813 3.3V Check the H-OUT voltage at pin 50 of ICP(V)01. Check / Replace Check / Replace IC1,IC301,FR359,FR360, Q804,Q805,R813,ZD801 D339,D349 Check / Replace Check the voltage of C828(+).
  • Page 20 Check if heater element is lighting. Check the heater voltage. Increase the screen Check/Replace voltage of FBT. FR442,R910. Check/Replace Screen is black. Retrace line is CPT. visible. Check the waveform Check FBT & CPT socket at pin 12 of P501A. &...
  • Page 21 DON'T CATCH CHANNEL(MAIN) Check the voltage at pin16 of TU101(Main). Check/Replace Check the voltage at FR848,FR829,D811 pin13 of TU101(Main). R121,ZD101. Check the waveform at Check/Replace pin24 of TU101(Main). R124,IC101. Check the waveform at Check/Replace pin12 of P501A. IC104 Check/Replace Check/Replace IC501,IC701,IC702.
  • Page 22 NO CENTER SPEAKER SOUND (BUT MAIN SOUND OK) Check the waveform at pin 2 of IC660. Check / Replace Check the voltage at Q601,Q602. pin 8 of IC660. Check / Replace Check / Replace IC660 IC601. NO WOOFER SPEAKER SOUND (BUT MAIN SOUND OK) Check the waveform at pin 5 of IC650.
  • Page 23 Check the voltage at pin 40 of IC201. Check / Replace Check the waveform IC201. at pin 21of IC1. Check / Replace Check / Replace Q209,C12. IC2. Check the voltage at pin 1,6 of IC301. Check / Replace Check the waveform FR359,FR360,D339,D349.
  • Page 24 NO FRONT L,R SPEAKER SOUND(PICTURE OK) Check the voltage at pin 10 of IC610(SOUND AMP). Check / Replace Check the waveform at FB882,D885. pin 24,25 of IC601. * AM Sound(for FRENCH) Check the voltage at Check the waveform at pin 8 of IC610. pin 47 of IC601.

  • Page 25: Wiring Diagram

    Wiring Diagram P1151 "E" "D" POWER CORD P806 D.G-COIL P807 P802 P1015 P902B P905 P906 "A" P901B "D" P806 P807 P802 "B" "C" P602A P601A P402 P604A P901A P902A P301A P650A P601B "A" : FOCUS, SCREEN LEAD+DY LEAD LEAD TWISTER HOLDER. +P301A+P902A.

  • Page 26: Exploded View

    EXPLODED VIEW - 26 -...

  • Page 27: Exploded View Parts List

    The components identified by mark critical for safety. EXPLODED VIEW PARTS LIST Replace only with part number specified. LOCA. NO PART NO DESCRIPTIONS 2440GE489BE WVT SET,W76QDD259X V8S7ND 2440VCG0001 WVT SET 120-D18C SPEAKER,WOOFER 8 OHM 20/3 3110V00109A CASE,WOOFER SPK 3550V00136A COVER,WOOFER SPK 6400VA0031A SPEAKER,GENERAL 8 OHM 10/15 4810V00307A...

  • Page 28: 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 D301 0DD150009CA DIODE,RECTIFIER RGP15J,TP(52MM),GI DIODE,RP1HV(1) TP SANKEN TP SANKEN D308 0DD100009AQ D813 0ISK100300A IC,SLA1003 SIP12 BK DIODE MODULE( 0DD200009AF DIODE,RECTIFIER RU2M V(1) TP SANKEN...
  • 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 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 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 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 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 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 35 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 36 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 37 Z104 166-F01G FILTER,DSS6NZ82A103Q93A DSS306-93FZ10 166-F01G Z105 FILTER,DSS6NZ82A103Q93A DSS306-93FZ10 Z107 166-F01G FILTER,DSS6NZ82A103Q93A DSS306-93FZ10 ACCESSORIES 3828VA0286D MANUAL,OWNERS AP/32Q82 LG EN 049W TX 6710V00049W REMOTE CONTROLLER W/O EYE MISCELLANEOUS 6613V00004A JACK ASSY,PJ6054A EARPHONE+S-VHS+3P PA01 6726VV0006H REMOTE CONTROLLER RECEIVER 38KHZ PJ201 6612VJH017A JACK,RCA PPJ120A A/V 9P...
  • Page 38 P/N : 3854VA0075A-S1(1/2) Date : 2001.02.01...
  • Page 39 P/N : 3854VA0075A-S1(2/2) Date : 2001.09.14...
  • Page 40 SIDE AV(32Q80) SWITCH,TACT(32Q80) PRE-AMP(32Q80) VGA(32Q80) SIDE AV(29Q30) CRT(29Q30) LIMIT SWITCH(29Q30) Service Sheet of MC-006A P/N: 3854VA0075A-S2(1/2) 2001.02.01...
  • Page 41 PRINTED CIRCUIT BOARD COMPONENT LOCATION GUIDE C1...B4 C205 ..G3 C607 ..D4 C688..E1 L220..G2 Q112 ..E5 R104..F5 R202 ..G4 R272..F4 R663 ..D2 TP90 ..G1 TP167..A5 C2...B4 C206 ..G3 C608 ..D3 C689..F1 L221..G2 Q113 ..E5 R105..F5 R203 ..G4 R273..E4 R664..E2 TP91..F2 TP168..B4 MAIN C3 ..C4 C207 ..G3...

  • Page 42: Svc. Sheet

    SVC. SHEET : 3854V A0075A-S1 SVC. SHEET : 3854V A0075A-S2...
  • Page 43 May,2002 P/NO : 3828VD0073H Printed in Korea...

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