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Repair guides and support for Panasonic's Viera line of televisions.

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Tv won't turn on

Viera model TH42PZ77U blinks 8 times. What part do I need and where can I get it?

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@henny17 this from Panasonic regarding the 8 blink code

Symptom: Unit is dead with 8 blinks power LED.

Cause: Defective SS board, part number TXNSS1SDUU.


1. Identify three components on the board: Q16051, D16041 and R16051. Refer to Fig.1

2. Remove above parts from the board. Clean the heat sink and apply fresh compound.

3. Replace with new parts as follows:

• Q16051: DG3D3020CVLW

• D16041: B0FBCN000005

• R16051: D0GF5R6JA047

Inspect all grounding paths around mounting holes on the board and on the PDP panel area and carefully clean noticed arcing marks (Fig.2 and Fig.3) using sand paper with 400~1000 grit.

Block Image

Block Image

Block Image

Double check your board to see if it shows the same components on the SS board. If so you could probably repair it the same way. If not, replacing the SS board should work. Of course, if you are not up to soldering those pieces, you can always replace the board.

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Hi @henny17 based on the search, I believe it is due to defective SS-BOARD

Open up and check also, and follow the below link for more information

Light blinks 8 times no picture or sound

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@salmonjapan thanks for mentioning my answer in your link :-)


@oldturkey03 , up your solution :)


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Thanks for this..advise

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Joe Henny zal eeuwig dankbaar zijn.

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