LG E2042T-BN User Manual

COLOR MONITORSERVICE MANUALWebsite:http://biz.LGservice.comE-mail:http://www.LGEservice.com/techsup.htmlCAUTIONBEFORE SERVICING THE UNIT, READ THE SA

- 10 -DESCRIPTION OF BLOCK DIAGRAMCopyright Only for training and service purposesLGE Internal Use Only2010 LG Electronics. Inc. All right reserved.1.

- 11 -ADJUSTMENTWindows EDID V1.0 User ManualOperating System: MS Windows 98, 2000, XPPort Setup: Windows 98 => Doesn’t need setupWindows 2000, XP

- 12 -220IBMCompatible PCPARALLEL PORTPower inlet (required)Power LEDST SwitchPower Select Switch(110V/220V)Control LineNot usedRS232CPARALLELV-SYNCPO

- 13 -TROUBLESHOOTING GUIDE1. NO POWERNO POWER(POWER INDICATOR OFF)CHECK IC103NONONOCHECK CRYSTAL(X100)YESYES121314Waveforms1 2 3 4Copyright Only for

- 14 -2. NO RASTER (OSD IS NOT DISPLAYED) - MAINNONOCHECK CONNECTION LINE FROM D-SUB TO IC103TROUBLE IN CABLE OR LCD MODULEYESNO RASTER(OSD IS NOT DIS

- 15 -3. TROUBLE IN DPMTROUBLE IN DPMTROUBLE IN IC103CHECK PC PC IS GOINGINTO DPM MODE NOCHECK H/V SYNC LINENOYESYES1H-SYNC2V-SYNCWaveforms12Copyright

WIRING DIAGRAM- 16 -Copyright Only for training and service purposesLGE Internal Use Only2010 LG Electronics. Inc. All right reserved.EAD3843870366319

2010300500510520530400900200540410or

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- 2 -CONTENTSSPECIFICATIONS ... 2PRECAUTIONS ... 4

FEBRUARY.2012P/NO : Printed in ChinaMFL67122143

- 3 -WARNING FOR THE SAFETY-RELATED COMPONENT.• There are some special components used in LCDmonitor that are important for safety. These parts aremar

- 4 -SERVICING PRECAUTIONSCAUTION: Before servicing receivers covered by thisservice manual and its supplements and addenda, readand follow the SAFETY

- 5 -General Soldering Guidelines1. Use a grounded-tip, low-wattage soldering iron andappropriate tip size and shape that will maintain tiptemperature

- 6 -Circuit Board Foil RepairExcessive heat applied to the copper foil of any printedcircuit board will weaken the adhesive that bonds the foilto the

TIMING CHART- 7 -Copyright Only for training and service purposesLGE Internal Use Only2010 LG Electronics. Inc. All right reserved. ABCD EFVideoSyncMO

# 1# 4# 2# 31. Pull the front cover upward.2. Then, let the all latches are separated.3. Put the front face down.Disassemble back cover.DISASSEMBLY

- 9 -BLOCK DIAGRAMCopyright Only for training and service purposesLGE Internal Use Only2010 LG Electronics. Inc. All right reserved.LED Panel20’’Inchm