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LG Flatron L1510BF Service Manual

LG Flatron L1510BF Service Manual

Color monitor
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Service Guide Specification
Service Guide Specification
1.
Model Description
MODEL
L1510BFN
SUFFIX
ANEUEP
2.
Printing Specification
1. Trim Size (Format) :
2. Printing Colors
• Cover :
2 COLORS (M100%, BLACK)
• Inside :
1 COLORS (Black)
3. Stock (Paper)
백상지 100 g/㎡
• Cover :
백상지 100 g/㎡
• Inside :
4. Printing Method :
5. Bindery :
6. Language :
7. Number of pages :
3.
Special Instructions
(1) Origin Notification
* LGEDI : Printed in Indonesia
* LGESP : Printed in Brazil
* LGENT : Printed in China
4.
Changes
8
7
6
5
4
3
2
1
REV.
SIGNATURE
MM/DD/YY
NO.
BRAND
Product Name
215mm x 280 mm
Saddle stitch
English
28 (Including blank 1page)
* LGEWA : Printed in U.K.
* LGEMX : Printed in Mexico
* LGEIL : Printed in India
CHANGE NO.
LG
FLATRON L1510BF
CHANGE
담 당
관 리 자
LEE H.J
KIM J.O
05.10.30
05.10.30
Part No.
38289S0017Y
CONTENTS

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Table of Contents
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Summary of Contents for LG Flatron L1510BF

  • Page 1 Model Description 05.10.30 05.10.30 MODEL L1510BFN BRAND Part No. 38289S0017Y SUFFIX FLATRON L1510BF ANEUEP Product Name Printing Specification 1. Trim Size (Format) : 215mm x 280 mm 2. Printing Colors • Cover : 2 COLORS (M100%, BLACK) • Inside : 1 COLORS (Black) 3.
  • Page 2 P/NO. Pagination sheet 38289S0017Y Pagination sheet Total pages :28pages Front cover English English English English English Cover Inside …. ….. English English English English English Rear cover Rear Inside Cover …. blank...
  • Page 3 Website:http://biz.LGservice.com E-mail:http://www.LGEservice.com/techsup.html COLOR MONITOR SERVICE MANUAL CHASSIS NO. : CL-82 MODEL: L1510BF (L1510BFN.AN**EP) ) **Same model for Service CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. L1510BF *To apply the MSTAR Chip.
  • Page 4: Table Of Contents

    CONTENTS SPECIFICATIONS ........... 2 SERVICE OSD ............12 PRECAUTIONS ............3 TROUBLESHOOTING GUIDE ......13 TIMING CHART ............7 WIRING DIAGRAM ..........17 BLOCK DIAGRAM ..........8 EXPLODED VIEW...........18 DESCRIPTION OF BLOCK DIAGRAM .....9 REPLACEMENT PARTS LIST .......20 ADJUSTMENT ............11 SCHEMATIC DIAGRAM .........
  • Page 5: Precautions

    PRECAUTION WARNING FOR THE SAFETY-RELATED COMPONENT. WARNING • There are some special components used in LCD BE CAREFUL ELECTRIC SHOCK ! monitor that are important for safety. These parts are • If you want to replace with the new backlight (CCFL) or marked on the schematic diagram and the inverter circuit, must disconnect the AC adapter...
  • Page 6: Servicing Precautions

    SERVICING PRECAUTIONS CAUTION: Before servicing receivers covered by this 9. Use with this receiver only the test fixtures specified in service manual and its supplements and addenda, read this service manual. and follow the SAFETY PRECAUTIONS on page 3 of this CAUTION: Do not connect the test fixture ground strap publication.
  • Page 7 General Soldering Guidelines Replacement 1. Use a grounded-tip, low-wattage soldering iron and 1. Carefully insert the replacement IC in the circuit board. appropriate tip size and shape that will maintain tip 2. Carefully bend each IC lead against the circuit foil pad and solder it.
  • Page 8 Circuit Board Foil Repair At Other Connections Excessive heat applied to the copper foil of any printed Use the following technique to repair the defective copper circuit board will weaken the adhesive that bonds the foil pattern at connections other than IC Pins. This technique to the circuit board causing the foil to separate from or involves the installation of a jumper wire on the "lift-off"...
  • Page 9: Timing Chart

    TIMING CHART VIDEO SYNC Total Video Sync Front Blanking Sync MODE H / V Frequency Period Active Duration Porch Time Resolution Polarity Clock ( E ) Time ( A ) ( D ) ( C ) ( B ) H(Pixels) 25.175 31.468 KHz 640 x 350...
  • Page 10: Block Diagram

    BLOCK DIAGRAM - 8 -...
  • Page 11: Description Of Block Diagram

    DESCRIPTION OF BLOCK DIAGRAM 1. Video Controller Part. This part amplifies the level of video signal for the digital conversion and converts from the analog video signal to the digital video signal using a pixel clock. The pixel clock for each mode is generated by the PLL. The range of the pixel clock is from 25MHz to 78.75MHz.
  • Page 12: Lips Board Block Diagram

    LIPS Board Block Diagram 50 ~ 60Hz 100KHz ENERGY HVDC INPUT RECTIFIER OUTPUT RECTIFIER TRANSFER COMPONENTS AND FILTER AND FILTER LINE 100 ~ 240V SIGNAL PHOTO COLLENT- CONTROL -COUPLER CIRCUIT ISOLATION PRIMARY SECONDARY Operation description_LIPS 1. EMI components. This part contains of EMI components to comply with global marketing EMI standards like FCC,VCCI CISPR, the circuit included a line-filter, across line capacitor and of course the primary protection fuse.
  • Page 13: Adjustment

    ADJUSTMENT Windows EDID V1.0 User Manual 2. EDID Read & Write 1) Run WinEDID.exe Operating System: MS Windows 98, 2000, XP Port Setup: Windows 98 => Don’t need setup Windows 2000, XP => Need to Port Setup. This program is available to LCD Monitor only. 1.
  • Page 14: Service Osd

    SERVICE OSD 1) Turn off the power switch at the front side of the display. 2) Wait for about 5 seconds and press MENU, POWER switch with 1 second interval. 3) The SVC OSD menu contains additional menus that the User OSD menu as described below. a) Auto Color : W/B balance and Automatically sets the gain and offset value.
  • Page 15: Troubleshooting Guide

    TROUBLESHOOTING GUIDE 1. NO POWER NO POWER (POWER INDICATOR OFF) CHECK POWER BOARD, CHECK J707 AND FIND OUT A SHORT VOLTAGE POINT AS OPENING PIN5, PIN6 (5V)? EACH POWER LINE CHECK CHECK 5VS LINE U501 PIN 8 VOLTAGE (OPEN CHECK) (5V) ? NO PROBLEM CHECK KEY CONTROL...
  • Page 16 2. NO RASTER (OSD IS NOT DISPLAYED) – LIPS NO RASTER (OSD IS NOT DISPLAYED) CHECK POWER BOARD, J707 ANDFIND OUT A SHORT PIN5, PIN6 POINT AS OPENING EACH POWER LINE CHECK MICOM INV J707 PIN2 ON/OFF PORT. 2.5V? 1. CONFIRM BRIGHTNESS J707 PIN1 OSD CONTRL STATE.
  • Page 17 3. NO RASTER (OSD IS NOT DISPLAYED) – Mstar NO RASTER (OSD IS NOT DISPLAYED) U201 CHECK U801 (17", 19") PIN 18, 90 CHECK U803 (15") 3.3V? U201 1. CHECK PIN122, 123 PIN96, 97 SOLDERING CONDITION OSCILLATE AS 2. CHECK X501 12MHZ? 3.
  • Page 18 4. TROUBLE IN DPM TROUBLE IN DPM CHECK CHECK PC R216, R217 PC IS NOT GOING R778, R781 INTO DPM OFF MODE CHECK U501 PIN 43.44 CHECK H/V SYNC LINE SYNC PULSE ? TROUBLE IN U501 Waveforms R216, R778 H-Sync R217, R781 V-Sync - 16 -...
  • Page 19: Wiring Diagram

    WIRING DIAGRAM Connector Ass’y P/N: 6631T11012R Connector Ass’y P/N: 6631T20022G - 17 -...
  • Page 20: Exploded View

    EXPLODED VIEW - 18 -...
  • Page 21: Exploded View Parts List

    LCD(LIQUID CRYSTAL DISPLAY), LM150X08-TL03 LG PHILPS TFT COLOR 250NITS,8MS,PB FREE,624CH,PSWG,LVDS,OKI SOURCE D-IC or 6304FLP146B LCD(LIQUID CRYSTAL DISPLAY), LM150X08-A4K8 LG PHILPS TFT COLOR PSWG,LVDS,16MS,SS S D-IC , COST COMPENSATION or 6304FLP146A LCD(LIQUID CRYSTAL DISPLAY), LM150X08-A4K8 LG PHILPS TFT COLOR PSWG,LVDS,16MS,SS S D-IC...
  • Page 22: Replacement Parts List

    REPLACEMENT PARTS LIST CAUTION: BEFORE REPLACING ANY OF THESE COMPONENTS, READ CAREFULLY THE SAFETY PRECAUTIONS IN THIS MANUAL. * NOTE SAFETY Mark AL ALTERNATIVE PARTS DATE: 2005. 10. 10. DATE: 2005. 10. 10. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC.
  • Page 23 DATE: 2005. 10. 10. DATE: 2005. 10. 10. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION CONTROL BOARD R519 0RJ4701D677 4.7K OHM 1/10 W 5% 1608 R/TP R520 0RJ4701D677 4.7K OHM 1/10 W 5% 1608 R/TP 140-058E SKHV10910B LGEC NON 12V 20A R521...
  • Page 24 DATE: 2005. 10. 10. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION 0RJ0222D677 22 OHM 1/10 W 5% 1608 R/TP 0RJ1501D677 1.5K OHM 1/10 W 5% 1608 R/TP 0RJ1501D677 1.5K OHM 1/10 W 5% 1608 R/TP 0RJ1002D677 10K OHM 1/10 W 5% 1608 R/TP 0RJ1002D677 10K OHM 1/10 W 5% 1608 R/TP 0RJ1501D677...
  • Page 25: Schematic Diagram

    SCHEMATIC DIAGRAM 1. TSU56AL / TSU16AL - 23 -...
  • Page 26 2. MICOM - 24 -...
  • Page 27 3.POWER - 25 -...
  • Page 28 4. CONNECTOR & JACKS - 26 -...
  • Page 29 Blank Page1...
  • Page 30 Oct. 2005 P/NO : 38289S0017Y Printed in Korea...

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