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Service Guide Specification
Service Guide Specification
1.
Model Description
MODEL
L1915SM
SUFFIX
ALAUR
2.
Printing Specification
1. Trim Size (Format) :
2. Printing Colors
• Cover :
LG COLORS
• Inside :
Black
3. Stock (Paper)
Snow White 150 g/
• Cover :
Snow White 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
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REV.
MM/DD/YY
NO.
BRAND
Product Name
215mm x 280 mm
Saddle stitch
English
24
* LGEWA : Printed in U.K.
* LGEMX : Printed in Mexico
* LGEIL : Printed in India
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FLATRON L1915S
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Part No.
3828TSL095Y
CONTENTS
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Related Manuals for LG L1915S - - 19" LCD Monitor
Summary of Contents for LG L1915S - - 19" LCD Monitor
- Page 1 ALAUR Printing Specification 1. Trim Size (Format) : 215mm x 280 mm 2. Printing Colors • Cover : LG COLORS • Inside : Black 3. Stock (Paper) Snow White 150 g/ • Cover : Snow White 100 g/ •...
- Page 2 D D D D Pagination sheet Pagination sheet English English English English English Front Cover Cover inside …. ….. …. …. Rear English English English English English Rear Cover Cover Inside …. …. …. ….
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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: L1915S (L1915SM-AL**R) ) **Same model for Service CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. *To apply the Mstar Chip. -
Page 4: Table Of Contents
CONTENTS SPECIFICATIONS ........... 2 DESCRIPTION OF BLOCK DIAGRAM.....8 PRECAUTIONS ............3 ADJUSTMENT ............10 TIMING CHART ............4 TROUBLESHOOTING GUIDE ......12 OPERATING INSTRUCTIONS ........ 5 EXPLODED VIEW...........16 WIRING DIAGRAM ..........6 REPLACEMENT PARTS LIST .......18 BLOCK DIAGRAM ........... 7 SCHEMATIC DIAGRAM ......... -
Page 5: Precautions
PRECAUTION WARNING FOR THE SAFETY-RELATED COMPONENT. WARNING BE CAREFUL ELECTRIC SHOCK ! • There are some special components used in LCD mon- itor 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: Timing Chart
TIMING CHART VIDEO SYNC << Dot Clock (MHz), Horizontal Frequency (kHz), Vertical Frequency (Hz), Horizontal etc... (µs), Vertical etc... (ms) >> Total Period Video Active Time Front Porch Sync Duration Back Porch Sync Mode Resolution Frequency Clock Sort Polarity 31.469 640x350 25.175 70Hz... -
Page 7: Operating Instructions
OPERATING INSTRUCTIONS FRONT VIEW REAR VIEW D-Sub Signal Connect Power Connect Front Control Panel Front Control Panel 1. Power ON/OFF Button ▼▲◀▶ Button Use this button to turn the monitor on or off. Use these buttons to choose or adjust items in the On Screen Display. -
Page 8: Wiring Diagram
OPERATING INSTRUCTIONS CONTROLS LOCKED/UNLOCKED : MENU and This function allows you to secure the current control settings, so that they cannot be inadvertently changed. Press and hold the MENU button and button for 3 seconds: the message “CONTROLS LOCKED” appears. You can unlock the OSD controls at any time by pushing the MENU button and button for 3 seconds: the message “CONTROLS UNLOCKED”... -
Page 9: Block Diagram
BLOCK DIAGRAM - 7 -... -
Page 10: 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 11: Lips Board Block Diagram
LIPS Board Block Diagram 50 ~ 60Hz 100KHz HVDC INPUT RECTIFIER ENERGY OUTPUT RECTIFIER COMPONENTS AND FILTER TRANSFER AND FILTER LINE 100 ~ 240V SIGNAL PWM CONTROL PHOTO -COUPLER COLLECT- CIRCUIT ISOLATION PRIMARY SECONDARY High Voltage output INVERTER CIRCUIT Operation description_LIPS 1. -
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) – MST9111B NO RASTER (OSD IS NOT DISPLAYED) U201 POWER PIN 8,114 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 64KHz 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 - 15 -...
- Page 18 - 16 -...
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Page 19: Exploded View Parts List
CABINET ASSEMBLY, L1915S BRAND TKL104 LIFE IS GOOD 89483-For Australia 3091TKL122C CABINET ASSEMBLY, L1915S BRAND TKL104 89483 WA-LOCAL -For Europe 6304FLP142A LCD(LIQUID CRYSTAL DISPLAY), LM190E03-B4K1 LG PHILPS TFT COLOR 20T,TN,250NITS,SXGA,LVDS 3809TKL086A BACK COVER ASSEMBLY, L1915S 3808TKL086A ABS,8D966 -For Australia 3809TKL086C... -
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. 08.12 DATE: 2004. 08.12 *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. - Page 21 DATE: 2004. 08.12 DATE: 2004. 08.12 *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R208 0RJ0682D677 68 OHM 1/10 W 5% 1608 R/TP R737 0RJ0000D677 0 OHM 1/10 W 5% 1608 R/TP R209 0RJ0682D677 68 OHM 1/10 W 5% 1608 R/TP...
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Page 22: Schematic Diagram
SCHEMATIC DIAGRAM 1. SCALER - 20 -... - Page 23 2. MICOM - 21 -...
- Page 24 3. POWER - 22 -...
- Page 25 4. CONNECTOR/JACKS - 23 -...
- Page 26 Aug. 2004 P/NO : 3828TSL095Y Printed in Korea...
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