Panasonic TX-43P250 User manual

http://servis-manual.com/

Service Manual

TOP NEXT

ORDERNO.ITD0110012C3

Projection Television

lTX-43P250/TX-51P250/TC-43P250/TC-51P250

EURO-7VPChassis

Specifications

PowerSource:

TX-43/51P250, TC-51P250H:AC220V-240V, 50/60Hz

TX-43/51P250X:AC110V-240V, 50/60Hz

PowerConsumption:

TX-43/51P250, TC-51P250H:228W

TX-43/51P250X:238W

3.0W(Stand-by condition)

AerialImpedance:

75 unbalanced,Coaxial type

TuningSystem:

21Systems

FrequencySynthesizer

AutoSearch

100(Position)/125(Direct)

Receiving Channels:

VHF Band 2-12(PAL/SECAM-B,K1)

0-12(PAL-B AUST.)

1-9 (PAL-B N.Z.)

1-12(PAL/SECAM-D)

1-12(NTSC-MJAPAN)

2-13(NTSC-MU.S.A.)

UHF Band 21-69(PAL-G,H,I)

21-69(SECAM-G,K,K1)

28-69(PAL-B AUST.)

13-57(PAL-D,K)

13-62(NTSC-MJapan)

14-69(NTSC-MU.S.A.)

CATVS1-S20(OSCAR)

S21-S41 (HYPER)

1-125(U.S.A.CATV)

5A, 9A(AUST.)

Z1-Z37(CHINA)

C13-C49(JAPAN)

Intermediate Frequency:

Video38.0MHz

Sound31.5MHz(D, K)/32.0MHz(I)

32.5MHz(B, G)/33.5MHz(M)

Colour33.57MHz(PAL)/33.6MHz(SECAM)

33.75MHz(SECAM)/34.42 MHz(NTSC)

Receiving Stereosoundsystem:

NICAMB/G,NICAMI,

NICAMD, A2(German)

ScreenSize:

Type51 Type43

Diagonal: 296 mm1092 mm

Height:780 mm655 mm

Width:1037 mm874 mm

Projection Tube:

Type51 Type43

TVVAB10GAV (B-ASSY)TVVAB10GLV(B-ASSY)

TVVAG10GAV (G-ASSY) TVVAG10GLV(G-ASSY)

TVVAR10GAV (R-ASSY)TVVAR10GLV(R-ASSY)

90°deflection

High Voltage:

http://servis-manual.com/

5SelfCheck

TOP PREVIOUS NEXT

1.Self-Checkisusedtoautomaticallycheck thebuslinesand hexadecimalcodeoftheTVset.

2.Togetinto theSelf-Checkmodepressthedown(

)button on thecustomercontrolsatthefrontoftheset,atthesametimepressingtheHELP

button on theremotecontrol,and thescreenwill show:

IftheCCUportshavebeencheckedand found tobeincorrectornotlocatedthen “--”willappearin

placeof“O.K.”.

TOP PREVIOUS NEXT

http://servis-manual.com/

7.1DynamicFocusAdjustment

TOP PREVIOUS NEXT

1.Focusadjustmentsshouldbeperformedafter1hourofaging.

2.Useoscilloscopewith100 :1probe.

3.Applymonoscopepattern.

4.AdjusttheRed,Blueand GreenfocusVRon thefocusblockforbestfocusofoverall picture

ofeachCRT.(Fig.2)

Fig. 2

5.ConnectthescopeprobetoTPD20,GND toTPD21.Scopesetat20V/div&5msec./div.

6.AdjustV-PARA(Servicemode1)sothatwaveform(A)is380V±20V.(Fig.3)

7.AdjustH-PARA(Servicemode1)sothatwaveform(B)is560V±40V.(Fig.3)

Fig. 3

8.ProceedwithFocusAdjustments.

TOP PREVIOUS NEXT

http://servis-manual.com/

7.2ElectricalFocusAdjustment

TOP PREVIOUS NEXT

1.Receiveamonoscopepattern.

2.CovertheRedand BlueCRT,projectingGreenonly.

Theelectricalfocuscontrolsarelocatedon thefront.AdjusttheGreenFocusVRforbest

focusofoverallpicture.(Fig.2)

3.RepeatforRedfocusVRwhileprojectingRedonly.

4.RepeatforBlue.(Bestfocusatbottomleftcornerofscreen)

TOP PREVIOUS NEXT

http://servis-manual.com/

7.3Optical LensFocusAdjustment

TOP PREVIOUS NEXT

Note:

Thisadjustmentnormallyshouldnotrequireresettingunlessthelenshasbeenreplacedor

adjustmenthaschanged.

1.Opticalfocusadjustmentislocatedon thetop ofeachCRTlenssystem. Loosenthe

adjustmentknurlslockingknob.(Fig.4)

Fig. 4 (Rearview)

2.TurntheReceiverON applyand viewamonoscopepattern.

3.AdjusteachlensfocusforbestfocuswhileviewingeachCRT.

4.CovertheRedand BlueCRT,projectinggreenonly.RotatetheGreenlensforbestfocus

around screencenterarea.

5.DothesamefortheRedfocuslenswhileprojectingRedonly.

6.RepeatforBlue.

TOP PREVIOUS NEXT

http://servis-manual.com/

7.4CenteringMagnetAdjustment

TOP PREVIOUS NEXT

1.Receiveamonoscopepattern.

2.ConfirmthatCoarseconvergencedata(Servicemode1)forR,Gand Bis0.

3.SetthatFineconvergencedata(Servicemode1)isclear(no correction).

4.SetthatV-Posdata(Servicemode1)is[100].

5.SetthatH-Posdata(Service mode1)is[55].

6.SetthatH-Paralleldata(Servicemode1)is[8].

Procedure:

1.CovertheRed, BlueCRTlens,projectingGreenonly.

2.Adjustgreencenteringmagnet(DY)iftheprojectedgreen horizontal/verticallinedoesnot

lineup withthescreenhorizontal/verticalcenterline.

3.CovertheGreen,RedCRTlens,projectingBlueonly.

4.Repeatstep2.forblue.

5.CovertheGreen,BlueCRTlens,projectingRedonly.

6.Repeatstep2.forred.

7.CovertheRed, BlueCRTlens,projectingGreenonly.

8.Adjustgreencenteringmagnetsuntilthecenterofthemonoscopepatternlineup withthe

screencenterline.

9.CovertheGreen,RedCRTlens,projectingBlueonly.

10.Adjustbluecenteringmagnetstoposition thecenterofthebluerasterW2awayfromthe

centerofthegreenraster.

11.CovertheGreen,BlueCRTlens,projectingRedonly.

12.Adjustredcenteringmagnetstoposition thecenteroftheredrasterW1awayfromthecenter

ofthegreenraster.

http://servis-manual.com/

TOP PREVIOUS NEXT

http://servis-manual.com/

7.5Alignment magnetAdjustment

TOP PREVIOUS NEXT

Preparation:

1.Receiveancrosshatchpatternwithdots(pincushion).

2.Loosenthecenteringmagnetsscrews.

3.Positionthelongertabofthefour-polemagnetto90 degrees(uncorrectedposition).

VMCoilwith focuscorrection magnet

4-polemagnet

4.Positionthelongtabofall alignmentmagnetsand ofthedummyringtogetherinan

uncorrectedposition.

Alignmentmagnet(ordummyring)

Procedure:

1.Receiveancrosshatchpatternwithdots.

2.CovertheRed, BlueCRTlens,projectingGreenonly.

3.TurnthegreenelectricalfocusadjustmentVR(on focuspack)fullycounterclockwiseand note

theposition ofthedotsatthecenterofthepicture.

4.TurnthegreenelectricalfocusadjustmentVRfullyclockwise.

5.Adjustthefourpolemagnetsuntiltheshapeofthedotatthecenterofthescreeniscircular.

http://servis-manual.com/

6.AdjustforbestgreenelectricalfocuswithgreenelectricalfocusadjustmentVR.

7.CovertheGreen,RedCRTlens,projectingBlueonly.

8.Repeatstep4.~step6.forblueelectricalfocus.

9.CovertheGreen,BlueCRTlens,projectingRedonly.

10.Repeatstep4.~step6.forredelectricalfocus.

11.Receiveanmonoscopepattern.

12.CovertheRed, BlueCRTlens,projectingGreenonly.

13.Ifthecenterofthemonoscopepatternisnotinsidethe15mm circle,showninbelow,adjust

thecenteringmagnets.Repeatthealignmentmagnetadjustmentsand fourpolemagnet

adjustments(step1.~step6.)

Centering magnetadjustment

14.CovertheGreen,BlueCRTlens,projectingRedonly.

15.Repeatstep13.forthered.

16.CovertheGreen,RedCRTlens,projectingBlueonly.

17.Repeatstep13.fortheblue.

18.Followingadjustments,fixthecenteringmagnetsofDY,dummyringsofVMcoil,fourpole

magnetsofVMcoil and thealignmentmagnetsofVMcoil topreventthemfrommoving.

TOP PREVIOUS NEXT

14 Schematic Diagram

14.1. Schematic Diagram Notes

This manual suits for next models

Table of contents

Other Panasonic Projection TV manuals

Panasonic

Panasonic PT47WXD63 - 47" PROJECTION TV Quick start guide

Panasonic

Panasonic PT-50LCZ70 - 50" Rear Projection TV User manual

Panasonic

Panasonic PT 56DLX76 User manual

Panasonic

Panasonic TC-43P250H User manual

Panasonic

Panasonic TX-47P500H User manual

Panasonic

Panasonic TX-47WG25 Series User manual

Panasonic

Panasonic PT-52DL52 User manual

Panasonic

Panasonic TX-47P500HM User manual

Panasonic

Panasonic PT-51HX42C User manual

Panasonic

Panasonic PT-56WXF95 User manual

Panasonic

Panasonic PT53TW53G - 53" PROJECTION TV HD User manual

Panasonic

Panasonic TX-47P600HZ User manual

Panasonic

Panasonic TX-47P950A User manual

Panasonic

Panasonic PT56WXF90W - DIGITAL PTV MONITOR User manual

Panasonic

Panasonic TX-43P400H User manual

Panasonic

Panasonic PT-53TWD63 User manual

Panasonic

Panasonic PT53X54 - 53" PROJECTION TV HD User manual

Panasonic

Panasonic PT-61HX42 Operating User manual

Panasonic

Panasonic PT43LC14 - MULTI MEDIA DISPLAY User manual

Panasonic

Panasonic PT-51G35 User manual

Panasonic

Panasonic 52DL52 - PT - 52" CRT TV User manual

Panasonic

Panasonic TC-51P250 Series User manual

Panasonic

Panasonic PT56WXF90 - DIGITAL PTV MONITOR User manual

Panasonic

Panasonic PT50DL54 - 50" DLP TV User manual

Popular Projection TV manuals by other brands

Samsung

Samsung ST-43T6P Owner's instructions

Toshiba

Toshiba ColorStream TP50G60 owner's manual

Mitsubishi Electric

Mitsubishi Electric WD-65734 Specification sheet

Optoma

Optoma EP652A user manual

Samsung

Samsung SP43T8HPX/XEC Service manual

Philips

Philips 28PW6006 - annexe 1 Eco profile

Sony

Sony KP-57WS500 - 57" Hi-scan 1080i™ 16:9 Projection... Dimensions

Philips

Philips 43PP8421 user manual

Hitachi

Hitachi 51F510 operating guide

RCA

RCA P52950 user guide

Sony

Sony KP-51DS1U Service manual

Magnavox

Magnavox 51MP392H - 51" Widescreen Hd Ready Tv owner's manual

Hitachi

Hitachi 46F510 operating guide

Pioneer

Pioneer Elite PRO 510HD operating instructions

Philips

Philips 43PP8421 Directions for use

JVC

JVC I'Art Pro AV-48P776 Brochure & specs

Sony

Sony GRAND WEGA KDF-55XS955 operating instructions

Sony

Sony KP-46WT520 - Wide Screen Projection Tv Service manual