LG N1642W-PF Manual do Utilizador

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

- 10 -DESCRIPTION OF BLOCK DIAGRAM1. Video Controller Part.This part amplifies the level of video signal for the digital conversion and converts from

LIPS Board Block Diagram- 11 -EMICOMPONENTSLINE100 ~ 240VINPUT RECTIFIERAND FILTERENERGYTRANSFERPHOTO-COUPLERISOLATIONOUTPUT RECTIFIERAND FILTER18V5VG

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

- 13 -220IBMCompatible PCPARALLEL PORTPower inlet (required)Power LEDST SwitchPower Select Switch(110V/220V)Control LineNot usedRS232CPARALLELV-SYNCPO

TROUBLESHOOTING GUIDE1. NO POWERNO POWER(POWER INDICATOR OFF)NOCheck Power Board, And Find Out a Short Point as OpeningEach Power LineNo Problem1Wavef

2. NO RASTER (OSD IS NOT DISPLAYED) – LIPSNO RASTER(OSD IS NOT DISPLAYED)NONONONOREPLACE CCFL LAMPIN THE LCD MODULECHECK POWER BOARD, AND FIND OUT A S

3. NO RASTER (OSD IS NOT DISPLAYED) – MSTARNO RASTER(OSD IS NOT DISPLAYED)NONONOTROUBLE IN CABLE OR LCD MODULECHECK IC2031. CHECK C509, C510SOLDERING

4. TROUBLE IN DPMTROUBLE IN DPMNONOTROUBLE IN U501CHECK PC PC IS NOT GOINGINTO DPM OFF MODE CHECK H/V SYNC LINECHECK R221, R222CHECKIC100 PIN 27,28SYN

WIRING DIAGRAM- 18 -6631900030L30P6P11PEAD57188308EAD42157801Copyright 2007 LG Electronics. Inc. All right reserved.Only for training and service pur

EXPLODED VIEW- 19 -300320310410420400430910920440020060070080

- 2 -CONTENTSSPECIFICATIONS ... 2PRECAUTIONS ... 3

- 20 -EXPLODED VIEW PARTS LIST300310320060070080120ABJ36436113 Cabinet Assembly,W1642 ... 16" - MEY40926601 Knob, MOLD ABS HF-350 MAIN 5 key WX42

1. SCALERSCHEMATIC DIAGRAM -21- Copyright 2007 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only

2. INTERFACE- 22-Copyright 2007 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only

1/2C1061nF 50V KCY1013.3nF 250VACC104100nF 50V KZD104BZX79-B11,133C10547uF 25V MPC201:2PS2561BL1-1-V-A(G)U101FSDM0465RSWDTUR1100 1/8W JZD105C107R10624

BRIG-PWMQ3102N7002A-RTK/PR315100K 1/8W FR30566.5K 1/8W FC326R316REF BRIG-DCR31710K 1/8W FR304287K 1/8W FR31310K 1/8W FR3199.53K 1/8W FD3141N4148TAREFC

Mar . 2009P/NO : MFL59082025 Printed in China

- 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 -VIDEOSYNCAEDBC12345MODEH / VSyncPolarityDotClockFrequencyTotalPeriod( E )VideoActiveTime ( A )SyncDuration( D )FrontPorch( C )Blankin

- 8 -DISASSEMBLYPull the cabinet upwards,Then push the button ”push” to separate the hinge body and stand body.Disassemble the back cover.Separate the

BLOCK DIAGRAM- 9-Copyright 2007 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only5VInv_OnDim_ADJLamp