I have problem with my tv when you turn it on its ok for about 5mins then the picture starts to roll then after about 10 mins of that the picture settles after a further 5 mins lines appear on screen and then it loses a colour items and people on the screen turn blue and this goes on till it decides to work .when it does work its perfect.its only 3 years old
can anyone help me
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Re: toshiba 36zp38b picture problems
With it only being about 3 years old, I would suspect bad solder connections rather than defective components like Capacitors. You may get the symptoms to come and go by slapping the side of the set or jaring it slightly which would prove the bad connection thesis. It is not a permanent cure however and you can make it worse if you keep doing that. A solder repair shouldn't run over $225 in my opinion.
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does it turn of precisely after 5mins each time you turn it on? If yes, then there is every possibility that the TV timer is set to 5mins and when it gets to that time, the TV will eventually turn of itself.
But the TV doesn't turn off in exactly 5mins all the time, then it is having a power related problem in as much as the TV turns off on it's own.
The problem is consistent with overheating on the power supply board of the TV.
The power supply board of the TV has few capacitors and IC. If any of these IC's gets short or become weak, it can cause the TV to turn off on it's own.
When current passes from electric outlet to the power supply board of TV. The current also goes to the weak/faulty part, then the current stops or slow and the board overheats and TV shuts off on it's own.
This is a common problem faced by many other users too. To solve this issue, check the power supply board and read it with a meter and continuity tester, in order to detect the faulty part and replace the faulty part on the board which is short due to which power supply board.
It's a bit technical job but yes its not at all a costly repair to do or get it done by the technician.
You can buy this part at any Fry's or Radioshack store or you can order them online at vendors like "mcmelectronics.com"(look for electrolytic capacitors). After replacing these capacitor (capacitors) most likely the normal operation will be restored. Or you can buy a refurbished complete power board to save you some stress.
If this task is too technical for you, you can call a family or friend who has the ability to assist you (two heads are better than one).
I would start with the Tcon but the main would do this as well, along with the power board...test the voltages coming from the ps board when its giving issues and see if they are ok, if they are try the tcon board
Hi did you ever solve this problem? i have the exact same issue, i think its the main-y pcb but want to be sure. green pixels, slow refresh rate on screen, after 5mins the picture is normal till next time i turn it on.
Yes the dss module is very common to fail.
Unless you have proffesional soldering station & can work on ics whith 200 plus legs do not attempt to repair.
On ocaision if you moan to toshiba they will send A replacement module free of charge. I have had several come to our shop where Tosh has done this the module is just over £100.00 to buy.
All you need do then is pay to have it fitted saving over £100.00
This is a problem with the low voltage condition in the main power supply or the sweep supply, or there is bad capacitors in the vertical driver circuit, or the PIP circuit if there is one. the best way to troubleshoot this would be with a schematic, measure all the voltages and see if there are any lower then normal levels. In the vertical and PIP circuits, you will need an ESR type capacitor meter. if you dont own this equipment, or have had no experience working on solid state electronics, play it safe and call in a tech to assist you in this repair. Good Luck
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