TX-55DX600B one (1) blink SOS code

[Tom0]

Hello,
I have a TX-55DX600B bought 16 months ago from Panasonic outlet on Ebay, seemed cheap at the time. Worked well up until now I have the following issue;

Turn on.
green light flashes quickly for maybe 3 seconds.
then screen flashes (can only see if back cover is off, or if in dark room.
Red light continues to flash every 3-4s.

I believe one blink code.

I checked for short on PDU - P board with meter from fuse (which received V) to ground and none - is this correct?
I have ordered an A board, coming this week (can return at cost of postage).
If its not the A board - I believe it is relating to Backlight LED - BL_SOS (LED driver).

Question - Am I correct in my assumptions - I got info from this forum and also;

If not A board, should I try P? or is this likely to be LED strip - in which case is it worth bothering, simple enough for a normal person to manage? I guess I'd need suction cups and two sets of hands.

Attached are images of back of board.

Any help / advice appreciated, Would really love the SM for one of these if someone has one.
Thanks,
Tom.

[Andrew F. Ali]

Re: TX-55DX600B one (1) blink SOS code

Looks like the Backlights have failed.

[Tom0]

Re: TX-55DX600B one (1) blink SOS code

Thanks for the reply.
Could I ask what makes you say that and also would you advise to attempt repair? All led’s or just the faulty strip?

Thanks