LG RT-15LA31 Service Manual
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LG RT-15LA31 Service Manual

LG RT-15LA31 Service Manual

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P/NO : 3828VD0108U
All manuals and user guides at all-guides.com
Jun., 2002
Printed in Korea
e-mail:http://www.LGEservice.com/techsup.html
LCD TV
SERVICE MANUAL
CHASSIS : ML-012A
MODEL : RT-15LA31
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
website:http://biz.LGservice.com

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Summary of Contents for LG RT-15LA31

  • Page 1 All manuals and user guides at all-guides.com website:http://biz.LGservice.com e-mail:http://www.LGEservice.com/techsup.html LCD TV SERVICE MANUAL CHASSIS : ML-012A MODEL : RT-15LA31 CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. Jun., 2002 P/NO : 3828VD0108U Printed in Korea...

  • Page 2: Table Of Contents

    All manuals and user guides at all-guides.com CONTENTS Contents ....................2 Safety Precautions ..................3 Servicing Precautions ................4 Description of Controls ................6 Adjustment Instruction ................9 Troubleshooting ..................15 Exploded View ..................16 Exploded View Parts List ...............17 Replacement Parts List ................ 18 SVC.

  • 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: Servicing Precautions

    All manuals and user guides at all-guides.com SERVICING PRECAUTIONS CAUTION: Before servicing receivers covered by this service transistors and semicounductor "chip" components. The manual and its supplements and addenda, read and follow the following techniques should be used to help reduce the SAFETY PRECAUTIONS on page 3 of this publication.
  • Page 5 All manuals and user guides at all-guides.com c. Qulckly move the soldering iron tip to the junction of the Fuse and Conventional Resistor component lead and the printed circuit foil, and hold it Removal/Replacement there only until the solder flows onto and around both the 1.

  • Page 6: Description Of Controls

    All manuals and user guides at all-guides.com DESCRIPTION OF CONTROLS All the functions can be controlled with the remote control handset. Some functions can also be adjusted with the buttons on the side panel of the set. Remote control handset Before you use the remote control handset, please install the bat- POWER MUTE...
  • Page 7 All manuals and user guides at all-guides.com 10. MUTE switches the sound on or off. 11. TV/AV/PC selects TV, AV or PC monitor mode. clears the menu from the screen. switches the set on from standby. POWER MUTE 12. PIP BUTTONS (option) (PC mode only) switches the sub picture on or off.
  • Page 8 All manuals and user guides at all-guides.com Side panel Back panel S-VIDEO VIDEO (MONO) AUDIO 1. MAIN POWER (ON/OFF) 7. POWER/STANDBY INDICATOR (r r ) switches the set on or off. illuminates brightly when the set is in standby mode. 2.

  • Page 9: Adjustment Instruction

    All manuals and user guides at all-guides.com ADJUSTMENT INSTRUCTION 1. Application Object This instruction is for the application to the LCD TV. 2. Notes (1) This set uses an adapter, so connect the adapter and the set correctly before adjustment. (2) The adjustment must be performed under the correct sequence.
  • Page 10 All manuals and user guides at all-guides.com 3-3. Position of Mode Adjustment Timing of Mode Table * H[dot]/V[line] SVGA-75 Mode VGA-60 VGA-67 VGA-72 VGA-75 VGA-85 SVGA-56 SVGA-60 SVGA-72 1056 H_Total 1024 1056 1040 H_Display H_Blanking H_Sync NEG. NEG. NEG. H Polarity NEG.
  • Page 11 All manuals and user guides at all-guides.com 4. EDID(The Extended Display Identification Data) EDID Table 0B 0C 0D 0E 5. Option1 data(200PR~A2 ST:1bit,SYS:2bit) OPTION OPTION TEXT I/II SV SCART A2 ST TEXT I/II SV SCART A2 ST 200PR 200PR Data Data - 11 -...
  • Page 12 All manuals and user guides at all-guides.com OPTION OPTION TEXT I/II SV SCART A2 ST TEXT I/II SV SCART A2 ST 200PR 200PR Data Data - 12 -...
  • Page 13 All manuals and user guides at all-guides.com OPTION OPTION TEXT I/II SV SCART A2 ST TEXT I/II SV SCART A2 ST 200PR 200PR Data Data - 13 -...
  • Page 14 All manuals and user guides at all-guides.com OPTION TEXT I/II SV SCART A2 ST 200PR Data 6. Option2 data(ACMS~BBACK:1bit,LANG:3bit) OPTION HIDEV ACMS Data 7. Option3 data(IIC AFT~CH+AU:1bit) OPTION MD SAVE MONO CH+AUS IIC AFT Data - 14 -...

  • Page 15: Troubleshooting

    All manuals and user guides at all-guides.com TROUBLESHOOTING 1. General Features Symptom Cause Check Point Soft touch doesn’t Defective speaker wire 1) Make some space between the speaker wire and function properly and inverter wire the Soft touch Board by sticking the speaker wire to the guide hole of the cabinet.

  • Page 16: Exploded View

    All manuals and user guides at all-guides.com EXPLODED VIEW P801 - 16 -...

  • Page 17: Exploded View Parts List

    All manuals and user guides at all-guides.com EXPLODED VIEW PARTS LIST PART NO. DESCRIPTION 6304FLP006B LCD LC151X01-C3P1 LG PHILPS TFT CO 6400VA0017A SPEAKER,GENERAL LG C&D 8 OHM 1.0 4950V00067A METAL,SPEAKER HOLDER (L,R) 3091V00A15L CABINET ASSY LG FLATRON . 5020V00552F BUTTON...

  • Page 18: Replacement Parts List

    All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST For Capacitor & Resistors, the CC, CX, CK, CN : Ceramic RD : Carbon Film charactors at 2nd and 3rd digit CQ : Polyestor RS : Metal Oxide Film in the P/No. means as follows; CE : Electrolytic RN : Metal Film RF : Fusible...
  • Page 19 100UF STD 16V M FL TP5 6602V20005L CONNECTOR,2.0MM 12P GIL-S LG CABLE 100UF STD 25V M FL TP5 C645 0CE107DH618 366-932E CONNECTOR,2.5MM 6P GIL-G LG CABLE S C647 0CE225DK618 2.2UF STD 50V 20% FL TP 5 P202 6602V25004C CONNECTOR,GT250 LGC 4 2.5 .
  • Page 20 X601 156-A02M RESONATOR,CRYSTAL HC49U 18.432MHZ 30P SWITCH X901 6202VDT002B RESONATOR,CRYSTAL SX-1SMD 14.318MHZ SW1101 140-313A SWITCH,TACT 2LEAD 100G(TA) LG C&D NON ACCESSORIES SW1101 6600VM1001A SWITCH,PUSH SDKLA1 UL/CSA 250V 5A VER SW1102 140-313A SWITCH,TACT 2LEAD 100G(TA) LG C&D NON 3828VA0334H MANUAL,OWNERS ML012A RUS/BZ03 LG RU/EN...
  • Page 21 All manuals and user guides at all-guides.com P/No : 3854VA0097A-S1(1/2) 2002.06.12...
  • Page 22 All manuals and user guides at all-guides.com P/No : 3854VA0097A-S1(2/2) 2002.06.12...
  • Page 23 All manuals and user guides at all-guides.com PRINTED CIRCUIT BOARD CONTROL(TOP) MAIN(TOP) CONTROL(BOTTOM) MAIN(BOTTOM) P/No : 3854VA0097A-S2 2002.06.20...

  • Page 24: Svc. Sheet

    All manuals and user guides at all-guides.com SVC. SHEET : 3854V A0097A-S...

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