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Table of Contents
Related Manuals for LG RT-15LA31
Summary of Contents for LG RT-15LA31
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Page 1: Service Manual
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
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. 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: Servicing Precautions
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. incidence of component damage caused by static by static NOTE: If unforeseen circumstances create conflict between the electricity. - Page 5 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. Clip each fuse or resistor lead at top of the circuit board component lead and the foil.
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Page 6: Description Of Controls
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 teries. -
Page 7: Power
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. PR +/- selects a programme for the sub picture. -
Page 8: Side Panel
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. TV/AV/PC dims when the set is switched on. selects TV, DVD, AV or PC monitor mode. -
Page 9: Adjustment Instruction
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 3-3. Position of Mode Adjustment Timing of Mode Table * H[dot]/V[line] VGA-85 SVGA-56 SVGA-60 SVGA-72 SVGA-75 Mode VGA-60 VGA-67 VGA-72 VGA-75 1056 H_Total 1024 1056 1040 H_Display H_Blanking H_Sync H Polarity NEG. NEG. NEG. NEG. NEG. H_Bp H_Fp 46.875 H-Freq[KHz] 31.469 35.0 37.861...
- Page 11 4. EDID(The Extended Display Identification Data) EDID Table 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 OPTION OPTION TEXT I/II SV SCART A2 ST TEXT I/II SV SCART A2 ST 200PR 200PR Data Data - 12 -...
- Page 13 OPTION OPTION TEXT I/II SV SCART A2 ST TEXT I/II SV SCART A2 ST 200PR 200PR Data Data - 13 -...
- Page 14 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 -...
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Page 15: Troubleshooting
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. 2) Arrange working state of A1. -
Page 16: Exploded View
EXPLODED VIEW P801 - 16 -... -
Page 17: Exploded View Parts List
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 5020V00553D BUTTON,POWER 3809V00273X BACK COVER ASSY PHONE... -
Page 18: Replacement Parts List
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 LOCA. - 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 P/No : 3854VA0097A-S1(1/2) 2002.06.12...
- Page 22 P/No : 3854VA0097A-S1(2/2) 2002.06.12...
- Page 23 PRINTED CIRCUIT BOARD CONTROL(TOP) MAIN(TOP) CONTROL(BOTTOM) MAIN(BOTTOM) P/No : 3854VA0097A-S2 2002.06.20...
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Page 24: Svc. Sheet
SVC. SHEET : 3854V A0097A-S...