Panasonic Viera TH-42PW3 User manual

SCHEMA*99

Service Manual

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ORDERNO. ITD0008011C0

D10

WidePlasmaDisplay

lTH-42PW3/TH-42PWD3

GP3DChassis

Specifications

PowerSource:AC230V50/60Hz(ABandEversion)

AC110V50/60Hz(Uversion)

PowerConsumption:295 W

2.3W(stand-bycondition)

1.4W(Mainoffcondition)

Terminal:

VideoInput/ Output(BNC)

1.0Vp-p(75ohm)

NTSCPALPAL-60 SECAMM-NTSC

S-Videoinput(MiniDin4pin)

Y1.0Vp-p(75ohm)

C0.286 Vp-p(75ohm)

Audio0.5Vrms(RCAtype)

Component/RGBIn(RCAtype)

Y/G1.0Vp-p(includingSync.)

PB/B±0.35 Vp-p

PR/R±0.35 Vp-p

HD1.0-5.0Vp-p

VD1.0-5.0Vp-p

PCVGA

SVGAXGASXGA UXGS(Compatible)

(High-densityD-sub15 pin)

Audio(3.0mm)0.5Vrms

SpeakersExternalspeakers

Impedance6ohmratedinput8Wormorerecommended.

SERIALRS-232Ccompatible(D-Sub9PIN)

TUNEROptional(High-densityD-Sub26PIN)

Display:Type42 inch(106 cmdiagonal16:9)+RC

No.ofPixels(W853 xH480)

No.ofDots(W2559 xH480)

Dimensions:

Displayunit

Height610 mm

Width1020 mm

Depth89 mm

Weight(Mass)29.5kgnet(mainunit only)

33.7kg(withspeakers)

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8AdjustmentProcedure

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8.1+BSet-up

8.1.1 Item/Preparation

8.1.2 Adjustments

8.2DriverSet-up

8.2.1 Item/Preparation

8.2.2 Adjustments

8.3 Initialization PulseAdjust

8.4P.C.B.(PrintedCircuit Board)exchange

8.4.1 Caution

8.4.2 Quick adjustmentafterP.C.B.exchange

8.5AdjustmentVolumeLocation

8.6TestPointLocation

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8.1+BSet-up

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8.1.1 Item/Preparation

8.1.2 Adjustments

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8.1.1Item/Preparation

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1.InputaGreyscalesignal.

2.Setthepicturecontrols:-

Picturemode:Normal

Whitebalance:Normal

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8.1.2Adjustments

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Adjustand confirmindicated testpointforthespecifiedvoltage.

Adjust

Confirm

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Name Volume Voltage TestPoint Remarks

Vsus R605 170V±1V P11pin2

Vda R590 67V±0.5V

P12pin1

Name Voltage TestPoint Remarks

15V 15.4V±0.5V P23pin1

15V 15.2V±0.5V P7pin1

12V 11.8V±0.5V P25pin1

Audio12V 12.5V±0.8V P5pin7

5V 5.1V±0.3V

P25pin5

STB5V 5.0V±0.3V

P27pin4

Fan15V 15.4V±0.5V

P10pin1

Fan5V 5.1V±0.3V

P10pin4

PFC 380V±15V

C468(+),C468(-)

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8.2Driver Set-up

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8.2.1 Item/Preparation

8.2.2 Adjustments

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8.2.1Item/Preparation

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1.InputanAPL100 %whitesignal.

2.Setthepicturecontrols:-

Picturemode:Normal

Whitebalance:Cool

Aspect:16:9

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8.2.2Adjustments

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Adjustdriversection voltagesreferring thepaneldataon thepaneldatalabel.

*SeethePanellabel.

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Name

TestPoint Voltage Volume Remarks

Vsus

TPVSUS (SS)

170V±1V R605 (P)

Vbk TPVBK(SC) 155V±5V R6443(SC)

Ve TPVE(SS) 158V±1V R6774(SS)

Vset TPVSET(SC) 218V±6V ---

Vad TPVAD(SC) -90V±1V R6477(SC)

Vscn TPVSCN(SC) Vad*+118V±2V ---

Vda TPVDA(SS) 67V±1V R590 (P)

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8.3Initialization PulseAdjust

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1.InputaCrosshatch signal.

2.Setthepicturecontrols:-

Picturemode:Normal

Whitebalance:Cool

Adjusttheindicated testpointforthespecified waveform.

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Testpoint Volume Level

TPSC1(SC)

R6523(SC)

20±15 Sec

TPSS1(SS)

R6557(SC)

170 ±20 Sec

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8.4P.C.B.(PrintedCircuitBoard)exchange

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8.4.1 Caution

8.4.2 Quick adjustmentafterP.C.B.exchange

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