YAKUMO 32 LCD TV 81J Instrukcja Obsługi

LCD TVSERVICE MANUALCAUTIONBEFORE SERVICING THE CHASSIS,READ THE SAFETY PRECAUTIONS IN THIS MANUAL.CHASSIS : LD91AMODEL : 32LG2100 32LG2100-ZANorth/La

4) Updating is staring.5) Fishing the version uploading, you have to put USB stickand “AC Power” off.6) After putting “AC Power” on and check updated

4. Total Assembly line process4.1. Adjustment Preparation· W/B Equipment conditionCA210 : CH 9, Test signal : Inner pattern (85IRE)· Above 5 minutes H

- Auto Download• After enter Service Mode by pushing “ADJ” key,• Enter EDID D/L mode.• Enter “START” by pushing “OK” key.* Edid data and Model option

- 13 -LGE Internal Use OnlyCopyright ©2009 LG Electronics. Inc. All right reserved. Only for training and service purposes4.5. Outgoing condition Conf

- 14 -LGE Internal Use OnlyCopyright LG Electronics. Inc. All right reserved. Only for training and service purposes300200200T200N12012240

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.FILRE AND ELECTRICAL SHOCK HAZAR

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.FILRE AND ELECTRICAL SHOCK HAZAR

SDDR_A[12]SDDR_A[11]SDDR_A[10]SDDR_A[9]SDDR_A[0]SDDR_A[1]SDDR_A[2]SDDR_A[3]SDDR_A[4]SDDR_A[5]SDDR_A[6]SDDR_A[7]SDDR_A[8]SDDR_A[1]SDDR_A[10]SDDR_A[12]S

Fi ber Opt i cUSB DOWN STREAMUSB DOWN S TREAMTHE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FRO

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.FILRE AND ELECTRICAL SHOCK HAZAR

LGE Internal Use OnlyCopyright ©2009 LG Electronics. Inc. All right reserved. Only for training and service purposes- 2 -CONTENTSCONTENTS ...

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.FILRE AND ELECTRICAL SHOCK HAZARDS

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.FILRE AND ELECTRICAL SHOCK HAZARDS

Block Diagram Block DiagramRGBCOMPONENTF-SCARTAV3BUF_TS_CLK/ERR/SYN/DATA[0]AV_CVBS_INDDR2 SDRAM(1Gb)IC300NAND FlashHYNIXIC102USBDigital amp(NTP3100L)

37 GIP Block Diagram37 GIP Block DiagramTCON with FRCMST7327NIC101M+S T-Con BlockSPI_CZ/CK & DI/DODDR_A_D[0:15]DDR2 SDRAM(512MB / 533MHz)HYNIXIC20

42/47 Normal Block Diagram42/47 Normal Block DiagramTCON with FRCMST7327NIC101SPI_CZ/CK & DI/DODDR_A_D[0:15]DDR2 SDRAM(512MB / 533MHz)HYNIXIC201DD

Contents of LCD TV Standard Repair ProcessNo. Error symptom (High category) Error symptom (Mid category) Page Remarks1A. Video errorNo video/Normal au

Normal audioYNMove to Novideo/No audioNo videoNormal audioCheck Back LightOn with naked eyeOnYNCheck PowerBoard12v,5v etc.Normal voltageYNReplace Mai

Normal voltage?Check variousvoltages of PowerBoard ( 5V,12V,20Vor 24V…)No Video/No audioCheck andreplaceMAIN B/DYReplace PowerBoard and repairpartsNEn

A. Picture ProblemPicture broken/ FreezingYNNCheck RF Signal levelNormal Signal?Check RF CableConnection1. Reconnection2. Install BoosterCheckS/W Vers

LGE Internal Use OnlyCopyright ©2009 LG Electronics. Inc. All right reserved. Only for training and service purposes- 3 -SAFETY PRECAUTIONSMany electr

Colorerror?YN Checkand replaceLink Cable(LVDS) andcontactconditionYNReplace Main B/DColorerror?Check errorcolor inputmodeCheck color by input-External

Screennormal?NYCheck externaldeviceconnectionconditionYNCheck andreplace LinkCableNormal?YNScreennormal?Replace Main B/DReplacemoduleCheck color condi

B. Power errorNo powerPower LEDOn?YNDC Power onby pressing Power KeyOn Remote controlYNNormal operation?Check PowerOn ‘”High”Check Power cordwas inse

B. Power errorOff when on, off while viewing, power auto on/offError?NYCheck Power OffModeFix A/C code & Outletand describe 3 wavelengthCheck A/C

No audioScreen normalCheck usermenu >Speaker offOffNYCancel OFF and describeCheck audio B+20V or 24V ofPower BoardNormalvoltageYNReplace Power Boa

Wrecked audio/discontinuation/noise is same after “Check input signal” compared to No audioC. Audio errorWrecked audio/ discontinuation/noise Wrecked

D. General Function ProblemRemote control & Local switch checkingYN1. Remote control (R/C) operating errorMove Power problemSection2. Local(Mechan

Check technicalinformation- Fix information- S/W VersionNYTechnical information?CheckinputsignalSignalinput?YNExternal Input andComponentRecognition e

Checklocation ofnoiseIdentifynosetypeCircuit noiseReplace inverterReplace LIPS B/DMechanical noiseCheck locationof noiseOR When the nose is severe, re

Replace moduleZoom part withexterior damageModuledamageCabinetdamageReplace cabinetReplace remote controllerRemote controllerdamageStanddentReplace st

LGE Internal Use OnlyCopyright ©2009 LG Electronics. Inc. All right reserved. Only for training and service purposes- 4 -CAUTION: Before servicing rec

LCD TV Repair Process Index - Trouble shooting by input block (Component level check)No. Symptom (L) Input Block Page Remark1 Power Problem Power-up B

P800 Pin #7~#10Voltage Level = 5V ?P800 Pin #2Voltage level = 5V ?Check Power connectorOK ?Replace Power BoardYESNO YESP800 Pin #13, 14 = 12V P800 Pi

Check Power connectorOK ?Replace Power BoardNO YESReplace Power BoardNOReplace MAIN B’D IC801NOReplace MAIN B’D IC805NOReplace MAIN B’D IC806NOReplace

P800 Pin #20Voltage level = 2V Check Power connectorOK ?Replace Power BoardYESNO YESNOYESReplace MAIN B’D Q802MAIN B’D L1300 = 12V ? Replace MAIN B’D

P801 Pin #9Voltage level = 2V Check Power connectorOK ?Replace Power BoardYESNOYESNOYESReplace MAIN B’D Q802MAIN B’D L1300 = 12V ? Replace MAIN B’D Q8

Check RF CableMAIN B’D L1201 = 5V ?YES MAIN B’D L1202 = 3.3V ?NOReplace MAIN B’D IC809YESNOReplace MAIN B’D IC808MAIN B’D IC804Pin #2 = 1.2V ?Replace

Making Revision 2009. 2 . 1 LCD TVSymptomAnalog TV Video ProblemCheck RF CableMAIN B’D L1201 = 5V ?YES MAIN B’D L1202 = 3.3V ?NOReplace MAIN B’D IC809

Check Signal formatIs it supported?Check the SCART CableYESMAIN B’D JK1100 Check Replace MAIN B’D JK1100YESNOCheck MAIN B’D R1117Video Signal ?NOYESCh

Check Signal formatIs it supported?Check the SCART CableYESCheck MAIN B’D JK1100Replace MAIN B’D JK1100YESNOYESCheck MAIN B’D C200 (RED)C201 (GREEN)C2

Check Signal formatIs it supported?Check the SCART CableYESMAIN B’D JK1101 Check Replace MAIN B’D JK1101YESNOCheck MAIN B’D R1133Video Signal ?NOYESCh

LGE Internal Use OnlyCopyright ©2009 LG Electronics. Inc. All right reserved. Only for training and service purposes- 5 -IC Remove/ReplacementSome cha

Check Signal formatIs it supported?Check the CVBS CableYESMAIN B’D JK402 Check Replace MAIN B’D JK402YESNOCheck MAIN B’D R400Video Signal ?NOYESCheck

Check Spec (Refer to User Manual)Is it supported?Check the SCART CableYESCheck the Trouble Shooting GuideAnalog TV No videoYESCheck MAIN B’D R1205Vide

Check Spec (Refer to User Manual)Is it supported?Check the SCART CableYESYESCheck MAIN B’D C1122Video Signal ?NOMAIN B’D JK1101 CheckYESReplace MAIN B

Check Signal formatIs it supported?Check the Component CableYESMAIN B’D JK400 Check Replace MAIN B’D JK400YESNOCheck MAIN B’D R419Video Signal ?NOYESC

Check Signal formatIs it supported?Check the RGB CableYESMAIN B’D P400 Check Replace MAIN B’D P400YESNONOYESCheck MAIN B’D C208 (Video)R246 (HSYNC)R24

Check Signal formatIs it supported?Check the RGB CableYESMAIN B’D P400 Check Replace MAIN B’D P400YESNONOYESCheck MAIN B’D C212 (RED)C207 (GREEN)C213

Check Signal formatIs it supported?Check the HDMI CableYESYESReplace MAIN B’D IC 100Check the ADJUST MENUEDID OK ?YESDownload EDID(Refer to Adjustment

Check Signal formatIs it supported?Check the HDMI CableYESYESReplace MAIN B’D IC 100MAIN B’D JACK CheckJK600 -> HDMI1JK601 -> HDMI2JK602 -> H

Check The SpeakerCheck Speaker CableYESCheck P700 CableYESNOReplace MAIN B’D IC 701YESMAIN B’DL705 Pin #1L704 Pin #2PWM Signal ?Replace SpeakerNORepla

Digital TV Video OK ?YESReplace MAIN B’D IC 100Making Revision 2009. 2 . 119/34 LCD TVSymptomDigital TV No Audio Problem26~42LH200032~47LH3000/LH4000

LGE Internal Use OnlyCopyright ©2009 LG Electronics. Inc. All right reserved. Only for training and service purposes- 6 -SPECIFICATIONNOTE : Specifica

MAIN B’D TU1200Pin #17 Signal (SIF)Replace MAIN B’D TU1200NOAnalog TV Video OK ?YESCheck MAIN B’DC231 Signal (SIF)NOReplace MAIN B’D IC100YESMaking Re

Check the SCART CableYESCheck MAIN B’DC229, C230MAIN B’DC229 (Right Sound)C230 (Left Sound)signal ?YESNOReplace MAIN B’D IC 100AV1 Video OK ?YESCheck

Check the SCART CableYESCheck MAIN B’DC2008, C2009MAIN B’DC2008 (Right Sound)C2009 (Left Sound)signal ?YESNOReplace MAIN B’D IC 100AV2 Video OK ?YESCh

Check the CVBS CableYESCheck MAIN B’DC2011, C2012MAIN B’DC2011 (Right Sound)C2012 (Left Sound)signal ?YESNOReplace MAIN B’D IC 100AV3 Video OK ?YESChe

Check the CVBS CableYESCheck MAIN B’DC2013, C2014MAIN B’DC2013 (Right Sound)C2014 (Left Sound)signal ?YESNOReplace MAIN B’D IC 100Component Video OK ?

Check the PC Audio CableYESCheck MAIN B’DC2015, C2016MAIN B’DC2015 (Right Sound)C2016 (Left Sound)signal ?YESNOReplace MAIN B’D IC 100RGB Video OK ?YE

HDMI Video OK ?YESCheck the ADJUST MENUEDID OK ?YESDownload EDID(Refer to Adjustment Spec)NOCheck the HDMI CableReplace MAIN B’D IC100YESMaking Revisi

Check the SCART CableYESReplace MAIN B’DIC1103MAIN B’DR239 (Right Sound)R240 (Left Sound)signal ?NOYESReplace MAIN B’D IC 100Analog TV Audio OKYESChec

Check the SCART CableYESReplace MAIN B’DIC1103MAIN B’DR250 (Right Sound)R251 (Left Sound)signal ?NOYESReplace MAIN B’D IC 100Speaker Audio OKYESCheck

Check the Headphone CableYESReplace MAIN B’DIC700MAIN B’DR237 (Right Sound)R238 (Left Sound)signal ?NOYESReplace MAIN B’D IC 100Speaker Audio OKYESChe

- 7 -LGE Internal Use OnlyCopyright ©2009 LG Electronics. Inc. All right reserved. Only for training and service purposes5. Chroma& Brightness- Mo

Check the SPDIF CableYESCheck MAIN B’D R230PWM Signal ?Replace MAIN B’D IC 100Speaker Audio OKYESCheck MAIN B’D JK403 Replace MAIN B’D JK403NOYESNOChe

Check MAIN B’DJK405 Pin #1 5V ?NOCheck MAIN B’DR848 12V ?Check that the USB Memory & HDD are supported by Spec(Refer to User Manual’s USB cautions

Check IR B’D P1 Wafer& ConnectorCheck MAIN B’D P1304Wafer & ConnectorYESNOReplace itYESReplace IR B’DMaking Revision 2009. 2 . 132/34 LCD TVSy

Check IR B’D P1 Wafer& ConnectorCheck MAIN B’D P1305Wafer & ConnectorYESNOReplace MAIN B’D IC100IR B’D IC1 Pin #3Voltage 4V ?NONOReplace itYE

Check IR B’D P1 Wafer& ConnectorCheck MAIN B’D P1304Wafer & ConnectorYESYESNOReplace itReplace IR B’DMaking Revision 2009. 2 . 134/34 LCD TVSy

- 8 -LGE Internal Use OnlyCopyright ©2009 LG Electronics. Inc. All right reserved. Only for training and service purposesNoSpecificationProposed Remar

LGE Internal Use OnlyCopyright ©2009 LG Electronics. Inc. All right reserved. Only for training and service purposes- 9 -ADJUSTMENT INSTRUCTION1. Appl