Hitachi 42PD9700C PLASMA Service Manual

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42PD9700C/U & 55PD9700C/U
Digital Terrestrial Television Broadcasting Convertingintodigitalsignalenablestoprovidemorechannelsandvarioususefulfeatures,suchasElectric ProgrammeGuide,DigitalTeletext,andsoon.Further,digitalsignalcancreatehighqualitypicture. Differenceofbroadcastsignalmethod,dividedinto42/55PD9700Uand42/55PD9700Caccordingtocountry.

ThislogoindicatesthattheproductiscompliantwithEuropeanDigitalBroadcasting. DVBisaregisteredtrademarkoftheDVBProject.

ThislogoindicatesthattheproductissetuptoviewdigitalterrestrialTV. FREEVIEWandtheFREEVIEWlogoaretrademarksofDVTServicesLtdandareusedunderlicense. FREEVIEWLogo©DTVServicesLtd2002.

Thislogoindicatesthattheproductwillworkafterimplementationoffulldigitalswitchover. TheDigitallogoisaCertificationMark.

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42PD9700C/U & 55PD9700C/U

2. Specifications
SPECIFICATION Panel Display dimensions Resolution Approx. 42 inches (922 (H) x 524 (V) mm, diagonal 1059mm) 1024(H) x 1080 (V) pixels including Stand: 1134(W)x728(H)x350(D) mm excluding Stand: 1134(W)x648(H)x108(D) mm Net weight Ambient conditions Temperature Relative humidity including Stand: 45.0kg excluding Stand: 39.3kg Operating : 5°C to 35°C, Storage : 0°C to 40°C Operating : 20% to 80%, Storage : 20% to 90% (non-condensing) AC100 - 240V, 50/60Hz 380W / <3W speaker total 36W 490W / <3W speaker total 36W Approx. 55 inches (1230 (H) x 692 (V) mm, diagonal 1412mm) 1366 (H) x 768 (V) pixels including Stand: 1510(W)x933(H)x450(D) mm excluding Stand: 1510(W)x840(H)x105(D) mm including Stand: 73.5kg excluding Stand: 62.0kg

Net dimensions

Power supply Power consumption/ at standby
Audio output (VIDEO input)

Input terminals

AV1 : composite video input terminal (SCART) S video input terminal (SCART) L/R audio input terminal (SCART) AV2·3 : composite video input terminal (SCART) RGB video input terminal (SCART) L/R audio input terminal (SCART) AV4 : composite video input terminal (RCA) component video input terminal.(RCA) L/R audio input terminal (RCA) AV5 : composite video input terminal (RCA) S video input terminal (Mini DIN) L/R audio input terminal (RCA) HDMI 1·2 : HDMI input terminal Audio input terminal (3.5mm Stereo Mini Jack) Photo Input : Photo Input terminal / SD card slot Composite video: PAL, SECAM, NTSC3.58, NTSC4.43, PAL60 Component video: 480i, 576i, 480p, 576p, 720p/50, 720p/60, 1080i/50, 1080i/60 OUTPUT (MONITOR): composite video monitor-output terminal (RCA) OUTPUT (MONITOR): L/R audio monitor- output terminal (RCA) OUTPUT (HEADPHONE): L/R audio monitor- output terminal (Mini-pin) OUTPUT (SUB-WOOFER): Woofer output terminal AV1 : composite video output terminal (SCART) L/R audio output terminal (SCART) AV2·3 : c
omposite video output terminal (SCART) L/R audio output terminal (SCART)

Input signals

Output Signal

(RF input) Input terminal / Receiving range ANT : 75 Unbalanced / 44~870MHz PAL B, G, H / I / D, K SECAM B, G / K1 / L, L' / (D,K) DVB-T

RF Video System

(RGB input)

Input terminals
Input signals Sync signals

Analogue RGB input terminal (D-sub 15-pin) Audio input terminal (3.5mm Stereo Mini Jack) 0.7 V/1.0 Vp-p, analogue RGB (Recommended Signal) H/V separate, TTL level [2K] H/V composite, TTL level [2K] Sync on green, 0.3 Vp-p [75]

The monitor takes at least 30 minutes to attain the status of optimal picture quality. The SECAM D, K system might not be normally received, depending on the model.

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42PD9700C/U & 55PD9700C/U

3. Service points
Lead free solder
This product uses lead free solder (unleaded) to help preserve the environment. Please read these instructionsbeforeattemptinganysolderingwork. Caution: Alwayswearsafetyglassestopreventfumesormoltensolderfromgettingintotheeyes.Lead freesoldercansplatterathightemperatures(600°C).

Printedcircuitboardsusingleadfreesolderareengravedwithan"F." Themeltingpointofleadfreesolderis40-50°Chigherthanleadedsolder. SolderwithanalloycompositionofSn-3.0Ag-0.5CuorSn-0.7Cuisrecommended. Althoughservicingwithleadedsolderispossible,thereareafewprecautionsthathavetobetaken.(Not takingtheseprecautionsmaycausethesoldertonothardenproperly,andleadtoconsequentmalfunctions.) Precautions when using leaded solder Removeallleadfreesolderfromsolderedjointswhenreplacingcomponents. Ifleadedsoldershouldbeaddedtoexistingleadfreejoints,mixintheleadedsolderthoroughlyafterthe leadfreesolderhasbeencompletelymelted(donotapplythesolderingironwithoutsolder). Asolderingironwithatemperaturesettingcapability(temperaturecontrolfunction)isrecommended. Themeltingpointofleadfreesolderishigherthanleadedsolder.Useasolderingironthatmaintainsahigh stabletemperature(largeheatcapacity),andthatallowstemperatureadjustmentaccordingtothepartbeing serviced,toavoidpoorservicingperformance. Recommended soldering iron: Solderingironwithtempe
raturecontrolfunction(temperaturerange:320-450°C) Recommendedtemperaturerangeperpart:

Lead free solder indicator

Properties of lead free solder Servicing solder

Servicing soldering iron

Part Mounting(chips)onmountedPCB Mounting(chips)onemptyPCB Chassis,metallicshield,etc.

Solderingirontemperature 320°C±30°C 380°C±30°C 420°C±30°C

The PCB assembies which use lead free solder SUB-POWERPCB(Sub-powerPCB,FilterPCB,TerminalPCB) SOUNDPCB(AudioPCB,ControlPCB,Switch PCB) FCPCB MAINPCB(MainPCB,LEDPDPPCB,SwivelPCB)
ReadjustmentPowersupplyvoltage WhenaPANELoraPowerUnitisexchanged,powersupplyvoltageneedstobeadjusted.Pleaseadjustto make the values of Va and Vs of as should on the label currently stuck on the panel back upper parts. AdjustmentisperformedbyVRinthepowersupplyunit.Pleaserefertotheproceduresof"Va"and"Vs" adjustmentsonpage 32.

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