Panasonic PT53TWD64J - 53" PROJECTION TV User manual

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Service Manual
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OrderNo.MTNC040851A1
B19
HDTVMONITOR
lPT-53TWD64J
P9M
Thissimplified servicemanualisissued to add listed modelsto themain servicemanual orderNo.MTNC031147C1(PT-47WXD63G)and tothe
simplified service manual order No.MTNC040845A1 (PT-47XD64J). Acomplete partslistand schematicsareincludedin thissimplifiedservice
manual.Pleasefileand usethissimplifiedservicemanual togetherwith themain service manual orderNo.MTNC031147C1(PT-47WXD63G)and with
thesimplifiedservice manual order No. MTNC040845A1(PT-47XD64J).
©2004 MatsushitaElectricCorporation of America.Allrightsreserved.Unauthorized copying and distribution isaviolation of law.
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8Autodiagnosisfeature
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Thisreceiverincorporatesaselfdiagnosisfeature.Withthisfeatureit willbeeasierforthe
techniciantodetectfailures.ThereisaLEDlocated by thekeyboardon thefrontpanel,thisLED
willstartflashingwhenSOSisdetectedby thecircuitslocatedinspecificareas,dependingon how
many timestheLEDisflashing,thiswill indicatewhatcircuit shouldbechecked.Makeacountof
flashingand seethetableshownbelow.Pleaseusethisfeatureeffectivelyespeciallyforintermittent
problems.
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NUMBEROFFLASHES POSSIBLECAUSE
1POWERSUPPLYAND/ORVERTICAL
2IC1006 (DG-BOARD)
3CONVERGENCE(DC-BOARD)
4HHS(FLYBACK)
5GC2M(DG-BOARD)
6GC2S(DG-BOARD)
7GC2V(DG-BOARD)
8FAN
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9EEPROMcopyjig
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ThisPTVhasafeaturethatallowsto cloneconvergencefrommain EEPROMdataadjustmentsfrom
aPTVtootherby connectingajigtothePTVset,orcanbeusedto back-up databeforemaking
adjustments.AjigpartnumberTXFJIG02SER,isavailablethroughMatsushita/PanasonicServices.
Preparation:
Toconnectthisjig, removethelowerbackcoverasinstructedon disassemblyforservicesection on
thisservicemanualand insertthejigintoA10 connectorlocatedon A-Board.(Seefigure)
Proceduretocopy data:
1.Entertoservicemodeand displayservicemenu (see page23).
2.Select“AREA”DACand thenpressOK button on remotetoenter.PressVOLright/leftto
selectoneofthefollowingoptionsthenpressOK:
¡SelectALLtocopy all main EEPROMdata
¡SelectADJtocopy onlyadjustmentdata.
¡SelectFIXtocopy onlyfixdata
3.Tocopy datafrommainEEPROMtojig, select“IN EX”DACand pressOK button on
remote.
4.Tocopy datafromjigtomainEEPROM,select“EX IN”DACand pressOK button on
remote.
Proceduretocopy convergence:
1.Entertoservicemodeand displayservicemenu
2.Select“FINE”DACand pressOK on remote.
3.Press“8”on remote.
4.Selectfromand thenpressOK on remote:
¡INTtocopy datafrominternalEEPROMtojig
¡EXTtocopy fromjigtointernalEEPROM.
5.Selectanoption fromthemenu withCHkeysand confirmwithOK:
¡DEFAULT:default factorypreset
¡CURRENT:tocopy thecurrent(receiverdataorjigdata)convergenceadjustmentsto
memory.
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¡NOTUSE:to backup data.
¡ALL:tocopy all data.
NOTE:
Thestatedasdefault factorypresetcontain thefactoryDATA;Usethisoption when
datawaslostorwhenadjustmentislostcompletely.
6.Selectdestination tocopy (INTorEXT)andconfirmwith OK.
7.Onceanoption isselectedthecopy processbegins.
8.Oncefinished,thereceivershutsdownforamomenttoreinitialize.
9.RemovethecopyjigfromA10.
EEPROMcopyjigconnection
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11 B+voltagestable
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Preparation:
Setthefollowingcontrols
lPicturetoNormal
lBrighttoNormal
lVolumetoMIN(0)
Procedure:
1.Apply aNTSCCOLORBARpattern
2.ConnectthenegativeleadofthedigitalvoltmetertoTPGND1(coldground).
3.Connectthepositiveleadofthedigitalvoltmetertoeachtestpointand confirmtheB+
voltages.
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No.D-BoardTestpoint Voltage
1C830 (+)138.6±1.0
2TPD13 19.0±1.5
3TPD12 19.0±1.5
4TPD11 -19.5±1.5
5TPD10 22.0±1.5
6C845 (-)-22.5±1.5
No.A-BoardTestpointsVoltage
1TP1185.0±0.5
2TP1142.5±0.5
3TP0705.0±0.5
4L8939.0±0.5
5TP13730.0±0.5
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