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Panasonic TC P55GT31 picture went out. Getting 7 blinks.

Customer Question
Panasonic TC P55GT31 picture...

Panasonic TC P55GT31 picture went out. Getting 7 blinks. Just opened up back and looking for info to troubleshoot

Technician's Assistant: Are there any HDMI cables or A/V jacks (red, yellow, and white cables) plugged into your Panasonic TV?

Not now.

Technician's Assistant: Was there a power outage recently?

No. Went out while I was watching

Submitted: 4 months ago.Category: TV
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Answered in 3 minutes by:
3/18/2018
TV Technician: Anthony_Infotech, Technician replied 4 months ago
Anthony_Infotech
Anthony_Infotech, Technician
Category: TV
Satisfied Customers: 16,263
Experience: 20+ years experience TV expert (field and bench) 9 approved qualifications in TV-ELECTRONICS
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Hello
Welcome
I am sorry you are having trouble here,I am presently reviewing your question be with you very soon.

Anthony

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TV Technician: Anthony_Infotech, Technician replied 4 months ago

Can youlet me know you are on-line please by replying in the box below thank you

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TV Technician: Anthony_Infotech, Technician replied 4 months ago

OK typing....

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TV Technician: Anthony_Infotech, Technician replied 4 months ago

In a nutshell 7 blinks is usually indicative of scan board failure however to prove that checks with a volt\ohm meter are needed to just verify what the TV is indicating,once that is confirmed then the board(s) are ordered and fitted in the set,costof board(S) around $100_200 depending on where obtained, let me know what you think of these statements first

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Customer reply replied 4 months ago
Ok, I need to look for meter?
TV Technician: Anthony_Infotech, Technician replied 4 months ago

If you intend on a DIY yes you will need a meter thanks

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Customer reply replied 4 months ago
I have a multimeter. How do I confirm scan board failure?
TV Technician: Anthony_Infotech, Technician replied 4 months ago

You have to be patient please,next job is a complete reboot of the set,unplug the set from wall-power take all the inputs out of the set, wait 10 mins,replug back in again with NO inputs connected,let me know if there is any change or you still have the 7 blinks please

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Customer reply replied 4 months ago
Ok
Customer reply replied 4 months ago
Still 7 blinks
TV Technician: Anthony_Infotech, Technician replied 4 months ago

OK now you need to get the back OFF the set and look on the power-board for the Vs or Vsus and the Va or Vda if you do not see it take a photo of the power-board and upload here using the add files button

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