Question about Televison & Video
My answer for your best course of action so as to not throw good money after bad is to at least get a tech to look at it, give you a diagnoses and then we can procede from there. They will give you an estimate on part prices as well as what it will cost to fix. You can then decide if you want to spend that money on a repair or a new set. If you wish to repair the set yourself with parts you buy yourself with my help I can do that. But I don't want you or me guessing with your money. There are a multitude of issues that can cause things like this from bad power cords to switches to boards, the flashing light tells me that it is at least seeing a problem but unable to get enough voltage to power up. Is this a Toshiba? I am guessing by the numbers. This manufacture has had problems with the T con board, it sets directly over the power supply and heat kills it. Great design.
But I can't tell you from here which board it may be with out getting my hands on it. Anyone else who says they can are feeding you some junk and they just get lucky now and then but you have to pay for their mistakes. I don't want to do that, so If your wanting someone to nail it on the first shot and get your set going without ever seeing it. Then I can't help. But if you can narrow it down for me I can help a great deal. Thanks
Posted on Mar 23, 2011
Yes, the video board on these isn't very reliable, but most likely this isn't your case: 3 blinks indicate a failure in the power source - either one of the rectifiers or one of the filtering capacitors have shorted.
To confirm that measure the voltages on the P809B connector - if the 5v-1 and Power ones are below 5 you will know for sure.
Posted on Mar 22, 2011
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Posted on Jan 02, 2017
Tips for a great answer:
Feb 20, 2016 | Toshiba Televison & Video
Oct 07, 2011 | Toshiba REGZA 47HL167 TV
Mar 09, 2011 | Sony BRAVIA KDL-40S2010 40 in. LCD...
I had a similar problem with my 42 in Philips LCD HDTV.
Here was the problem.
My Power Supply Board had several bad capacitors. I opened my TV (warranty was expired of
course) and found four bulged capacitors.
Many electronics companies were sold capacitors that failed in 2-5 years
instead of 10-20. The capacitors fail
prematurely due to a lack of preservatives. Unfortunately, they were installed in all
sorts of devices and cause a wide range of failure problems.
Here are some options for you.
1. Have it fixed by a professional
2. Open your TV and find PSB. Check
for faulty caps. If you find some (bulged
or leaking) bad caps replace the entire board.
3. Remove and then replace individual faulty caps. This takes some soldering skill.
Caps are inexpensive and if you can take care of it yourself
it will save you hundreds.
I have a tip/tutorial
on this site that may also help. It
gives step by step instructions for replacing caps on PSB #715t2432-2. If this is your board you are in luck. It's
called: Fixing the Philips Turns/shuts off on its own problem.
Hope this helps and Good luck.
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