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Panasonic Tcp55st30 top half of panel becomes unwatchable after 5 min
It starts out fine then after about 5 minutes or so the top half of the panel starts flickering until, over the next 5-10 minutes or so, it eventually becomes mostly black. If I turn it off for a bit it's fine then it starts all over again. Happens on all inputs and without any inputs plugged in. This is how it eventually ends up…
ANSWERS:
"Hi @tviv23,
Looking at p.21 of the service manual for the TV there may be a problem with the SU board
(click on image to enlarge for better viewing).
On p.23- 24 of the manual it details how to remove the boards etc
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