LG RT-15LA70 Service Manual
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LG RT-15LA70 Service Manual

LG RT-15LA70 Service Manual

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LCD TV

SERVICE MANUAL

CHASSIS : ML-024E
MODEL : RT-15LA70
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
e-mail:http://www.LGEservice.com/techsup.html
R
website:http://biz.LGservice.com

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Summary of Contents for LG RT-15LA70

  • Page 1: Service Manual

    LCD TV SERVICE MANUAL CHASSIS : ML-024E MODEL : RT-15LA70 CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

  • Page 2: Table Of Contents

    CONTENTS Contents ....................2 Safety Precautions ..................3 Servicing Precautions ................4 Specifications ..................6 Description of Controls ................8 Adjustment Instruction ................11 Block Diagram ..................17 Printed circuit boad................18 Exploded View ..................21 Exploded View Parts List ...............22 Replacement Parts List ................ 23 SVC.

  • Page 3: Safety Precautions

    SAFETY PRECAUTIONS IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in 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 should be used to help reduce the incidence of component manual and its supplements and addenda, read and follow the damage caused by static by static electricity. SAFETY PRECAUTIONS on page 3 of this publication. 1.
  • Page 5 c. Quickly move the soldering iron tip to the junction of the Fuse and Conventional Resistor component lead and the printed circuit foil, and hold it there Removal/Replacement only until the solder flows onto and around both the 1. Clip each fuse or resistor lead at top of the circuit board hollow component lead and the foil.

  • Page 6: Specifications

    5°C) (1) Capacity: Follow LG electronics TV Testing Standard. (2) Humidity: 65% ± 10% (2) RCA JACK performance :Follow the standard of LG. (3) Power: Standard input voltage (AC 100-220V, 50/60Hz) (3) Another Required Standard (4) Measurement must be performed after heat-run more than Follow the standard of each nation.
  • Page 7 5. Feature and Function Specification Item Remark Unit Teletext TOP(option) TOP,FLOF,LIST REMOCON NEC code RGB(VGA) input D-Sub 15 pin Rear Component input Option, Non-EU Y, P PERI TV Connector Option, EU Rear (Full Scart) AV input Rear S-video input Rear RS232 Port Only for RMS Rear...

  • Page 8: 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. Only the remote control handset supplied will operate this set. Remote control handset Before you use the remote control handset, please install the bat- MUTE...
  • Page 9 10. MULTIMEDIA selects TV, DVD or PC mode. clears the menu from the screen. switches the set on from standby. 11. POWER switches the set on from standby or off to standby. MUTE POWER 12. I/II selects the language during dual language broadcast. MULTIMEDIA TV/AV I/II...

  • Page 10: Top Panel

    • RT-17LZ40 series Top panel ON/OFF TV/AV/PC MENU Side panel • RT-15LA70 series S-VIDEO VIDEO (MONO) AUDIO Back panel • RT-15LA66 series MONO DUAL STEREO 1. ON/OFF 7. POWER/STANDBY INDICATOR ( ) switches the set on from standby or off to illuminates red in standby mode.

  • Page 11: Adjustment Instruction

    ADJUSTMENT INSTRUCTION 1. Application Object (8) At this time the adjustment starts automatically changing the number in order of RO --> GO --> BO --> RD --> GD -- This instruction is for the application to the LCD TV/Monitor, > BD. ML-024E.
  • Page 12 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...
  • Page 13 OPTION OPTION TEXT I/II SV SCART A2 ST TEXT I/II SV SCART A2 ST 200PR 200PR Data Data...
  • Page 14 OPTION OPTION TEXT I/II SV SCART A2 ST TEXT I/II SV SCART A2 ST 200PR 200PR Data Data...
  • Page 15 OPTION TEXT I/II SV SCART A2 ST 200PR Data 6. Option2 data(ACMS~BBACK:1bit,LANG:3bit) OPTION OPTION OPTION BRACK LANG BRACK LANG BRACK LANG ACMS ACMS ACMS Data Data Data OPTION OPTION BRACK LANG BRACK LANG ACMS ACMS Data Data...
  • Page 16 7. Option3 data(IIC AFT~CH+AU:1bit) OPTION IIC T HiDEV MONO CH + AUS Data...

  • Page 17: Block Diagram

    BLOCK DIAGRAM...

  • Page 18: Printed Circuit Boad

    PRINTED CIRCUIT BOARD MAIN (TOP)
  • Page 19 MAIN (BOTTOM)
  • Page 20 POWER CONTROL...

  • Page 21: Exploded View

    EXPLODED VIEW...

  • Page 22: Exploded View Parts List

    6400GKTX01A SPEAKER,FULLRANGE F1527C-6428 K-TONE 8OHM 7/12W 83DB OTHERS 34.5X71 6400GKTX01B SPEAKER,FULLRANGE F1527C-6428-2 K-TONE 8OHM 7/12W 85DB OTHERS 40*70MM TRACK TYPE 4811V00076E BRACKET ASSEMBLY, REAR AV RT-15LA70 ML024E PHONE, PC. 4950V00192B METAL, SHIELD SBHG ML-024E 4951TKS150A METAL ASSEMBLY, FRAME MAIN, RZ-15LAMP 3091V00593A CABINET ASSEMBLY, RZ-15LA70 NON ML024E .

  • Page 23: Replacement Parts List

    REPLACEMENT PARTS LIST For Capacitor & Resistors, the CC, CX, CK, CN, CH : Ceramic RD : Carbon Film charactors at 2nd and 3rd digit in the CQ : Polyestor RS : Metal Oxide Film P/No. means as follows; CE : Electrolytic RN : Metal Film CF : Fixed Film RH : CHIP, Metal Glazed(Chip)
  • Page 24 DATE: 2004. 2. 23. DATE: 2004. 2. 23. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C200 0CK225DFK4A "2.2UF 2012 16V 20%,-20% F(Y5V)" C539 0CH3104K566 0.1UF 50V 10% X7R 2012 R/TP C201 0CK225DFK4A "2.2UF 2012 16V 20%,-20% F(Y5V)"...
  • Page 25 DATE: 2004. 2. 23. DATE: 2004. 2. 23. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C824 0CH5220K416 22PF 50V 5% NP0 2012 R/TP C730 0CE4772J618 470UF KMF 35V 20% TP 5 FL C825 0CH5220K416 22PF 50V 5% NP0 2012 R/TP...
  • Page 26 DATE: 2004. 2. 23. DATE: 2004. 2. 23. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION L705 6140VR0008B COIL, SLF12575T-150M3R2 15UH SMD Q551 0TR150400BA TR, CHIP 2SA1504S(ASY) BK KEC - - L706 6140VR0008B COIL, SLF12575T-150M3R2 15UH SMD...
  • Page 27 DATE: 2004. 2. 23. DATE: 2004. 2. 23. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R138 0RH2202D622 R, 22K 1/10W 5 D.R/TP R419 0RH9102D622 R, 91K 1/10W P-TYPE TAPPING R139 0RH3301D622 R, 3.3K 1/10W 5 D.R/TP...
  • Page 28 DATE: 2004. 2. 23. DATE: 2004. 2. 23. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R916 0RH1000D622 R, 100 1/10W 5 D.R/TP R414 0RH0222D622 R, 22 OHM 1 / 10 W 2012 5.00% L502 0RRZVTA001A R, MNR-14-E0A-J-101 R OHM 100...
  • Page 29 0DL200000CA LED, SAM5670(DL-2LRG) BK Y-GREEN - MISCELLANEOUS PA1101 6726VV0006D REMOTE CONTROLLER RECEIVER, TEMIC 38.0KHZ TU401 6700MF0003A TUNER, TAFH-Z342D LG MULTI FS LT-15A ACCESSORIES 6410VBH005A POWER CORD, SP60+IS034 H05VV-F I-SHENG 6710V00126P REMOTE CONTROLLER, ML024E TXT RT-15LA70 6851V00004D CABLE ASSEMBLY, AUDIO TO AUDIO 2000MM(WHITE)
  • Page 30 P/No : 3854VA0136A-S1 2003.11.10...

  • Page 31: Svc. Sheet

    SVC. SHEET : 3854VA0136A-S...
  • Page 32 Feb., 2004 P/NO : 3828TSL101C Printed in Korea...

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