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Service Guide Specification
Service Guide Specification
1.
Model Description
MODEL
L1520BM
SUFFIX
ALEUR
2.
Printing Specification
1. Trim Size (Format) :
2. Printing Colors
• Cover :
LG COLOR
• Inside :
Black
3. Stock (Paper)
Snow white paper 150 g/
• Cover :
Snow white paper 100 g/
• Inside :
4. Printing Method :
5. Bindery :
6. Language :
7. Number of pages :
3.
Special Instructions
4.
Changes
8
7
6
5
4
3
2
1
REV.
MM/DD/YY
NO.
BRAND
Product Name
215mm x 280 mm
Saddle stitch
English
24(Including blank 1page)
% %
% %
% %
% %
CHANGE NO.
LG
FLATRON L1520B
CHANGE
9 9 9 9 9 9 9 9
PARK
KIM J. O
H. J
04.02.06
04.02.06
Part No.
3828TSL097G
CONTENTS
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Related Manuals for LG FLATRON L1520BM-AL*R
Summary of Contents for LG FLATRON L1520BM-AL*R
- Page 1 FLATRON L1520B Printing Specification 1. Trim Size (Format) : 215mm x 280 mm 2. Printing Colors • Cover : LG COLOR • Inside : Black 3. Stock (Paper) Snow white paper 150 g/ • Cover : Snow white paper 100 g/ •...
- Page 2 P/NO.3828TSL097G Pagination sheet Pagination sheet Total pages : 24pages English English English English English Front cover English English Front Inside Cover ……. ….. (Blank) Rear English Rear Cover Inside Cover...
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Page 3: Color Monitor
Website:http://biz.LGservice.com E-mail:http://www.LGEservice.com/techsup.html COLOR MONITOR SERVICE MANUAL CHASSIS NO. : CL-61 MODEL: L1520B (L1520BM-AL**R) ) **Same model for Service CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. *Same looking with new chassis. Issue Date; 2004. 2... - Page 4 - 1 -...
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Page 5: Table Of Contents
CONTENTS SPECIFICATIONS ........... 2 DESCRIPTION OF BLOCK DIAGRAM ....8 PRECAUTIONS ............3 ADJUSTMENT ............9 TIMING CHART ............4 TROUBLESHOOTING GUIDE ......11 OPERATING INSTRUCTIONS ........ 5 EXPLODED VIEW...........15 WIRING DIAGRAM ..........6 REPLACEMENT PARTS LIST .......17 BLOCK DIAGRAM ........... 7 SCHEMATIC DIAGRAM ......... -
Page 6: Precautions
PRECAUTION WARNING FOR THE SAFETY-RELATED COMPONENT. WARNING BE CAREFUL ELECTRIC SHOCK ! • There are some special components used in LCD 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 7: Timing Chart
TIMING CHART VIDEO SYNC Total Video Blanking Sync Back Front Sync Frequency MODE H / V Resolution Period Active Time Duration Porch Porch Polarity Clock ( E ) Time ( A ) ( B ) ( D ) ( F ) ( C ) 25.175 31.468 KHz... -
Page 8: Operating Instructions
OPERATING INSTRUCTIONS FRONT VIEW REAR VIEW D-sub Connect Power Connect See front control panel Front Control Panel 1. Power Button 3. Menu Button Use this button to turn the display on or off. Use this button to enter or exit the On Screen <Power (DPMS) Indicator>... -
Page 9: Wiring Diagram
WIRING DIAGRAM AC IN-LET SOCKET: P/N: 6620K00002C Connector Ass’y : P/N: 6631T11016C J704 J706 J707 Connector Ass’y : P/N: 6631T20022G Connector Ass’y : P/N: 6631T20008G - 6 -... -
Page 10: Block Diagram
BLOCK DIAGRAM - 7 -... -
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 135MHz. -
Page 12: 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 13: Service Osd
SERVICE OSD 1) Turn off the power switch at the front side of the display. 2) Wait for about 3 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) MODULE : To select applied module. -
Page 14: Troubleshooting Guide
TROUBLESHOOTING GUIDE 1. NO POWER NO POWER (POWER INDICATOR OFF) CHECK POWER BOARD, AND FIND CHECK J705 OUT A SHORT POINT VOLTAGE PIN5, PIN6 (5V)? AS OPENING EACH POWER LINE CHECK CHECK 5VS LINE U501 PIN 8 Voltage (OPEN CHECK) (5V) ? NO PROBLEM CHECK KEY CONTROL... - Page 15 2. NO RASTER (OSD IS NOT DISPLAYED) – LIPS NO RASTER (OSD IS NOT DISPLAYED) J705 PIN5, PIN6 CHECK LIPS CHECK MICOM INV J705 PIN9 ON/OFF PORT. 1. CONFIRM BRIGHTNESS OSD CONTRL STATE. J705 PIN10 2. CHECK MICOM DIM-ADJ PORT CHECK PULSE AS CONTACTING SCOPE...
- Page 16 3. NO RASTER (OSD IS NOT DISPLAYED) – MST9011B NO RASTER (OSD IS NOT DISPLAYED) U201 POWER PIN8, 114 CHECK U801 3.3V? 1. CHECK PIN122, 123 U201 SOLDERING CONDITION PIN122, 123 OSCILLATE AS 2. CHECK X501 12MHZ? 3. TROUBLE IN U201 U501 PIN43 IS 48KHz H-SYNC? CHECK CONNECTION LINE...
- Page 17 4. TROUBLE IN DPM TROUBLE IN DPM CHECK CHECK PC R773, R775 PC IS NOT GOING (SYNC) ? INTO DPM OFF MODE CHECK CHECK H/V SYNC U501 PIN 43.44 LINE SYNC PULSE ? TROUBLE IN U501 - 14 -...
- Page 18 - 15 -...
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Page 19: Exploded View Parts List
EXPLODED VIEW PARTS LIST Description Ref. No. Part No. CABINET ASSEMBLY, L1520 BRAND 3091TKL085A LCD(LIQUID CRYSTAL DISPLAY), LM150X06-A4C3 LG PHILPS TFT COLOR LPL 6304FLP068A LCD(LIQUID CRYSTAL DISPLAY), LM150X06-A4K8 LG PHILPS TFT COLOR 5MASK or 6304FLP074A BACK COVER ASSEMBLY, L1520. SILVER SPRAY 3809TKL058A TILT SWIVEL ASSEMBLY L1520. -
Page 20: 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: 2004. 2. 4. DATE: 2004. 2. 4. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. - Page 21 DATE: 2004. 2. 4. DATE: 2004. 2. 4. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R208 0RJ1500D677 150 OHM 1/10 W 5% 1608 R/TP R744 0RJ4701D677 4.7K OHM 1/10 W 5% 1608 R/TP R209 0RJ1500D677 150 OHM 1/10 W 5% 1608 R/TP...
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Page 22: Schematic Diagram
SCHEMATIC DIAGRAM 1. SCALER - 19 -... - Page 23 2. MICOM - 20 -...
- Page 24 3. POWER - 21 -...
- Page 25 4. CONNECTOR & JACKS - 22 -...
- Page 26 Feb. 2004 P/NO : 3828TSL097G Printed in Korea...