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LG. 47LS5600

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downunder:
So, is it going to Blue Mute (blue background with no signal)? Means the backlight LEDs are working. Check the power supply outputs. If the volts are normal, 12V, 3.5V etc,then look at the T-Con (open fuse maybe).
Is this one of those smart tvs with all the bells and whistles? Any OSD? unfortunately you need the LG service remote to check panel via test patterns. As that sage Turnip suggested, it may have to detect an input to produce a display.

sparky:
And do not forget to circulate the cure ??????

chrissie jones:
I shall sparky....

Turnip:
Hi Bruce,

Would an O/C T-con fuse result in a blue screen ?

Gather Blue mute is generated by the main board with no signal, to indicate this condition.

Not so much a Sage, more the humble Turnip.

Great to see Quuq mails with considerable humour and near perfect English all round - Chris.

downunder:
Aye Aye to the English, Turnip......spellcheck would be handy. Correct about blue mute but a very muted blue screen may result if the T-Con is knackered. Chrissie is not very forthcoming with his fault description or initial diagnostics...........maybe it's to keep us circulating on our toes. No offence, Chrissie, merely jesting. A tad of sage might make the turnip more palatable.

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