Question about Toshiba Televison & Video
One day before I was leaving I turned my t.v off by clicking the power bar to off. Come back later that day and it wouldnt turn on, no clicking sounds that it usually makes, no lights, nothing at all. Checked the fuses inside.. they dont look burnt. What could be wrong? Everything looks fine inside on boards.
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Posted on Jan 02, 2017
SOURCE: Tv won't turn on
Most likly it is a problem in the power supply regulator circuit. pretty common for Toshiba TV sets. If you know about TV serviceing, first thing to replace would be the regulator IC as that is the problem 80% of the time. if that does not help then you will need a schematic to trace out the regulator circuit. Good Luck PS please dont forget to rate this thread.
Posted on Oct 19, 2006
If the indicator stays on then you may have an DM PCB problem and to correct this do the the folowing:
SYMPTOM: Power LED does not stop blinking after plug in.
CURE: replace C9B01, C9B02,C9B10, and C9B11 (1000 uFD 16V) on the DM PCB. Replace them with part # 181P734030 (680uFd 16V).
The DM Board (PCB) is located on the very left side of the TV looking from back. Caution on removing Board and note what cables you disconnect to access the Metal Shielded Board.
Good Luck, big IRISH.
Posted on Jul 30, 2008
SOURCE: sony trinitron wega 36 inch
If you are not a professional Electronics guy,it is beyond you to tackle this problem. otherwise log on to www.free service manuals.com and see the SONY Blink codes and also download the service manual.best of luck
Posted on Aug 31, 2008
Any set that won;t turn on is probably due to a power supply converter which has burned out switching semiconducors. The first thing to do with a set which will not turn on is to check out all the switching gear (ie switchmode converter circuits) and all associated drive and driver semiconductor devices. Once you've done this you will usually find the problem.
Posted on Sep 21, 2008
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