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LG RT-32FZ32RP Service Manual

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P/NO : 3828VD0130G
All manuals and user guides at all-guides.com
May.,2003
Printed in Korea
e-mail:http://www.LGEservice.com/techsup.html
COLOR TV
SERVICE MANUAL
CHASSIS : MC-021A
MODEL:RT-32FZ32RP
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
ON/OFF
MENU OK
VOL
PR
website:http://biz.LGservice.com

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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-021A MODEL:RT-32FZ32RP CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. ON/OFF May.,2003 MENU OK P/NO : 3828VD0130G Printed in Korea...

  • 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 TROUBLE SHOOTING ..................14 BLOCK DIAGRAM ..................... 19 EXPLODED VIEW ....................20 EXPLODED VIEW PARTS LIST ..............21 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 SPECIFICA TIONS Note : Specification and others are subject to change without notice for improvement. SOUND IF : 33.4MHz (B/G) Video input system: 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) 40.4MHz (L’) Intermediate Frequency (Unit : MHz)

  • Page 5: Control Descriptions

    All manuals and user guides at all-guides.com CONTROL DESCRIPTIONS All the functions can be controlled with the remote control handset. Some functions can also be adjusted with the buttons on the front panel of the set. Remote control handset Before you use the remote control handset, please install the bat- teries.
  • Page 6 MUTE sets the sleep timer. PIP PR PIP PR 20. VCR BUTTONS control a LG video cassette recorder. PIP INPUT PIP SWAP Note : In teletext mode, the PIP PR +/ - , PIP SWAP and PIP INPUT POSITION SCAN...
  • Page 7 All manuals and user guides at all-guides.com Front panel RF/RT-32FZ32 series ON/OFF MENU OK 1 2 3 Side panel 1. MAIN POWER (ON/OFF) 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.

  • 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

    All manuals and user guides at all-guides.com ADJUSTMENT INSTRUCTIONS 1.Safety Precautions 5. Purity & convergence Adjustment 1. It is safe to adjust after using insulating transformer between 5-1. Preparation for Adjustment the power supply line and chassis input to prevent the risk of electric shock and protect the instrument.
  • Page 10 6) The TV set receives PAL-B/G Digital pattern. 1) Adjust in no RF signal condition. 2) Press ADJ KEY on the R/C for adjustment and make NOTE : If production line doesn’t the production line of LG horizontal line. TV,receive available deflection adjustment pattern.
  • Page 11 All manuals and user guides at all-guides.com NTSC 480P 1080I Menu Range 100HZ 60HZ 0 ~ 3F 0 ~ 3F 0 ~ 3F 0 ~ 3F 0 ~ 3F 0 ~ 3F A-ANG 0 ~ 3F Fig. 2 <50HZ> A-BOW 0 ~ 3F 0 ~ 3F 0 ~ 3F...
  • Page 12 All manuals and user guides at all-guides.com 9-2. Adjustment Method Table 3. OPTION 3 Function Option Code Function Remark 1) Input data directly by the buttons corresponded with 4 : 3 TV OPTION1 ??(0~255), OPTION2 ??(0~255), OPTION3 WIDE ???(0~250). 16 : 9 TV 2) Option4???(0~116) controls correspondinglines directly Without D/K CHINA or BB sys.
  • Page 13 All manuals and user guides at all-guides.com Table 4. OPTION 4 Function Function OPTION CODE Language E Only LANG English+EU 5 English+Other EU FARSI ARAB URDU E + HINDI E + I + M + V E + THAI E + CHINA West Europe T LAN East Europe...

  • Page 14: Trouble Shooting

    All manuals and user guides at all-guides.com TROUBLE SHOOTING Check pin 2 of P005A. Check / Replace Check the voltage at Q871,Q852,Q854, pin 10 of P004A. IC803,IC851 2Vp-p Check the H-DRV voltage at pin 5 of P214A. Check / Replace Check / Replace IC001,Q002.
  • Page 15 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 3 of ic901,902,903 &...
  • Page 16 All manuals and user guides at all-guides.com Check the voltage at pin3,13 of IC652(SOUND AMP). D850,F851. 2.5V CHECK/REPLACE CHECK/REPLACE Q651. IC601,Q650. CHECK/REPLACE TU101. Check the waveform at pin 11 of P901B. NORMAL Checkthe waveform at pin10 of HIC951. Q501,IC501S. Check the Vcc at pin11(135V). Check the Vcc at pin4(12V).
  • Page 17 All manuals and user guides at all-guides.com Check the waveform at pin 21,22 of IC601. Check / Replace Check the waveform at IC601. pin 1,3 of IC602. Check / Replace Check / Replace H/P JACK. IC603. DON'T CATCH CHANNEL(MAIN) Check the voltage at pin9 of TU101.
  • Page 18 All manuals and user guides at all-guides.com Check the waveform at pin 2 of P004A. Check the waveform at Check the waveform at pin4 of P213A(CVBS) pin21 of IC001(CVBS) Check the voltage at pin 1,6 of IC301. Check / Replace Check the waveform FR359,FR360,D339,D349.

  • Page 19: Block Diagram

    All manuals and user guides at all-guides.com BLOCK DIAGRAM D- COIL - 19 -...

  • Page 20: Exploded View

    All manuals and user guides at all-guides.com EXPLODED VIEW - 20 -...

  • Page 21: Exploded View Parts List

    PWB(PCB) ASSEMBLY,SUB CONT MC021A TACT 6871VSMU33C PWB(PCB) ASSEMBLY,SUB CONT MC021A POWER 6871VSMU35C PWB(PCB) ASSEMBLY,SUB A/V MC021A S-AV W/O PC 0IGL120104A IC,LG SEMICONDUCTOR CDS SENSOR MODULE(P1201-04 332-229M SCREW, PAN WASHER 7mm 45mm MSWR3/ FZY\ 1PTF0403116 SCREW. +D4.0 L16.0 MSWR3/FZB - 21 -...

  • Page 22: 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 TR,CHIP 2SC3875S(ALY) KEC Q101 0TR387500AA Q104 0TR127009AA TR,KEC TP TO92 50V 100MA D850...
  • Page 23 All manuals and user guides at all-guides.com & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 24 All manuals and user guides at all-guides.com The components identified by mark & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film critical for safety. charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No.
  • Page 25 All manuals and user guides at all-guides.com The components identified by mark & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film critical for safety. digit in the P/No.
  • Page 26 All manuals and user guides at all-guides.com The components identified by mark & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film critical for safety. charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No.
  • Page 27 All manuals and user guides at all-guides.com & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film The components identified by mark charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film critical for safety. digit in the P/No.
  • Page 28 All manuals and user guides at all-guides.com & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 29 6600VM2002A SWITCH,PUSH SDKEA3 ALPS IEC 250V 8A R860 0RD4701F609 4.7K OHM 1/6 W 5% TA52 SW1151 140-315A SWITCH,TACT SKHV17910B LG C&D NON 12V 47K OHM 1/6 W 5% TA52 SWITCH,TACT SKHV17910B LG C&D NON 12V R862 0RD4702F609 SW1152 140-315A R863...
  • Page 30 TU102 6700MF0001D TUNER LG MULTI FS 4SYS,2 IN 1,SUB VD801 164-003K VARISTOR,620V 0% UL/CSA/VDE BK ZN1101 164-003K VARISTOR,620V 0% UL/CSA/VDE BK ACCESSORIES 3828VA0390B MANUAL,OWNERS MC021A SY LG CH 089E TX 012E 6710V00089E REMOTE CONTROLLER MC021A W/O TXT - 30 -...
  • Page 31 All manuals and user guides at all-guides.com PRINTED CIRCUIT BOARD COMPONENT LOCATION GUIDE POWER CONTROL C101 ..A2 C611 ..C5 C868 ..D3 FR442 ..D5 G93 ..D2 J406 ..F4 JP9 ...F3 Q404 ..D4 R417 ..D4 R866 ..D3 C102 ..A2 C612 ..B5 C869 ..C3 FR443 ..F4 G94 ..D2 J407 ..B3...
  • Page 32 All manuals and user guides at all-guides.com P/NO : 3854VA0104A-S1(1/2) DATE : 2002.07.25...
  • Page 33 All manuals and user guides at all-guides.com P/NO : 3854VA0104A-S2(1/2) DATE : 2002.07.25...

  • Page 34: Svc. Sheet

    All manuals and user guides at all-guides.com SVC. SHEET : 3854V A0104A-S1 SVC. SHEET : 3854V A0104A-S2 SVC. SHEET...

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