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 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-006A MODEL:WT-32Q82IP MODEL:WT-32Q81IP CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

  • Page 2: Table Of Contents

    All manuals and user guides at all-guides.com 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 ................

  • Page 3: Safety Precautions

    All manuals and user guides at all-guides.com 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

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

  • 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 All manuals and user guides at all-guides.com 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.
  • Page 7 All manuals and user guides at all-guides.com Front panel POWER S-VIDEO VIDEO L/MONO 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.

  • Page 8: Disassembly Instructions

    All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com OPTION OPTION 200 PR TSEAR I/II SV A2 ST 200 PR TSEAR I/II SV A2 ST Data Data - 11 -...
  • Page 12 All manuals and user guides at all-guides.com OPTION OPTION 200 PR TSEAR I/II SV A2 ST 200 PR TSEAR I/II SV A2 ST Data Data - 12 -...
  • Page 13 All manuals and user guides at all-guides.com 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...
  • Page 14 All manuals and user guides at all-guides.com Table 4. OPTION 2 CODE Data H/PHO WOOFER DATA ACMS DATA ACMS H/PHO WOOFER - 14 -...
  • Page 15 All manuals and user guides at all-guides.com DATA ACMS H/PHO WOOFER DATA ACMS H/PHO WOOFER - 15 -...
  • Page 16 All manuals and user guides at all-guides.com 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.
  • Page 17 All manuals and user guides at all-guides.com Table 7. OPTION 4 Funtion OPTION CODE Language Funciton 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...
  • Page 18 All manuals and user guides at all-guides.com 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

    All manuals and user guides at all-guides.com 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...
  • Page 20 All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com 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.
  • Page 22 All manuals and user guides at all-guides.com 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.
  • Page 23 All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com 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.

  • Page 25: Wiring Diagram

    All manuals and user guides at all-guides.com Wiring Diagram P1151 "E" "D" POWER CORD P806 P807 D.G-COIL 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.

  • Page 26: Exploded View

    All manuals and user guides at all-guides.com EXPLODED VIEW - 26 -...

  • Page 27: Exploded View Parts List

    All manuals and user guides at all-guides.com 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...

  • Page 28: 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 D301 0DD150009CA DIODE,RECTIFIER RGP15J,TP(52MM),GI 0DD100009AQ DIODE,RP1HV(1) TP SANKEN TP SANKEN D308 D813 0ISK100300A...
  • Page 29 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 30 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 31 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 32 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 33 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 34 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 35 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 36 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 37 Z104 166-F01G FILTER,DSS6NZ82A103Q93A DSS306-93FZ10 Z105 166-F01G 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 All manuals and user guides at all-guides.com P/N : 3854VA0075A-S1(1/2) Date : 2001.02.01...
  • Page 39 All manuals and user guides at all-guides.com P/N : 3854VA0075A-S1(2/2) Date : 2001.09.14...
  • Page 40 All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com 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...

  • Page 42: Svc. Sheet

    All manuals and user guides at all-guides.com SVC. SHEET : 3854V A0075A-S1 SVC. SHEET : 3854V A0075A-S2...
  • Page 43 All manuals and user guides at all-guides.com May,2002 P/NO : 3828VD0073H Printed in Korea...

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