Mulja tv repair portal
Equipment Repairs => LCD TV forum => Topic started by: Turnip on January 28, 2015,10:45:37
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Hi folks,
Had one in a year ago for no go. As PS seemed OK, thought to chuck it on the heap as Main boards are hard to find.
Recently thought fire it up and it came on and worked perfectly 'till it cut to S/by after several hours, then a prod with RCU would start it up again for a while.
Still guess main board, but folks might know better - Chris.
Power – 17PW80 V2 040511
Main – 17MB62-2.5 230331491.43860
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Hi folks,
Thought enter again, as today set didn't come on, and found a P/S Shottky SB5B0 duff - as usual. After a day or two another Shottky went S/C so thought to replace the remaining three. Set worked initially then cut to off with no LED. Half an hour later it worked for ten minutes, then off to off again.
When diodes went S/C in the past they never seemed to recover, but have had a few in recently with much the same problem - Intermittent cut out, either to s/by, or totally off, but can recover after a while, of hours, days, or even months - Seems daft, but maybe possible, as diodes read OK at the time - Chris.
Note that SB5100 are going for a great price on the Flea at the moment, and might be an improvement.
PS - Got two more in today for much the same thing - Where would we be without Vestel ?
Guess everyone but me knows that all Vestel LED sets are initially programmed to cut to S/by after 4 hours - Into menu - settings - other settings, then turn it off.
Just read a couple of Bush Vestel Eeproms - might be useful.