Question about Toshiba 65H81 65" Rear Projection Television

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Power led blinking

Willtab,
I have this toshiba 65h81 and the power light keeps blinking. This is happened the second time. First time I have replaced a couple of fuses on power board and I was ok for a year. But this time was no go.
Would you suggest the convergence ic's? What would be the part #

many tanks
nic

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  • laucalin May 01, 2008

    Thanks, willtab, I'll check them again. I had replaced the old ones with '180' s

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Possible.. convergence ic can cause this problem if they become shorted

Posted on Apr 28, 2008

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Red light blinking


google to see several posts on projection tv red light blinking from several different manufactures (sony; toshiba; samsung; philips; you name it) and several models.

http://www.avsforum.com/forum/63-rear-projection-units/975795-toshiba-65h81-went-black-blinking-red-light-help.html

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RED POWER LIGHT BLINKS


Red power light blinks and tv will not turn on it is a 65h81 Toshiba HD

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Casias.com does not exist


Your STK parts might not be your problem for blinking red led. As I have read throughout other forums, the first think to address is your power deflection board .....that's the first one that goes. If it is the first time, it might be that only a couple of fuses on that board go bad, I had the same problem with mine, as I remember correctly, F850 and F852 were bad....I replaced mine and had tv for 12 months when a storm caused the whole power to go on and off a few times and screwed up my set and now more parts on power board are messed up. I'll replace mine in totality.
Convergence STK's will tell you when they go bad because you will notice something with your picture right before they give in. But in your case, you can't turn your set on.
Try to put your hands on info that tells you about codes on that blinking light. I tried to find that kind of info but I didn't try hard enough. I wish I have it, it could save me a ton of headache.
Hope this helped.
Nic

Aug 03, 2008 | Toshiba 65H81 65" Rear Projection...

1 Answer

Toshiba 65H81 blinking power light


Hello

I have the same thing going on with mine. What it is the SLR main Reg. is bad. The only way you can fix it is you can't put just one part in it you have to replace one of the boards. When you open the back panel up you will see three boards in a roll the one that needs replacing is the power board you have to get the model number. My Tv is a 65 HD model 65h81 the board on mine has a part number of PD 7400 yours will have something like that. Well let me know how it's goes my E-Mail is kenjr1@iwon.com

Feb 14, 2008 | Toshiba 65H81 65" Rear Projection...

1 Answer

Picture went off then Red light blinks all the time


Not an easy fix....requires chassis pull, careful soldering and
replacement of parts and fuses.....would you like step-by-step?
........................T.

Jan 12, 2008 | Toshiba 65HX81 65" Rear Projection...

2 Answers

Toshiba 65H81 blank screen and red blinking light....help


I don't think is any lamps.
If you are handy try to open the back of your tv, (unplug it first) don't touch anything just yet, you need to make sure you discharge any static left on the power board (the first from your left )Unplug power cord from the board. Take a heavy long screwdriver (Isolated) and lightly, touch a few parts on the board including the thick red wires that go to the lamps. Once that's done its time to put your dexterity at work. You need to lift that board (PD 0074) so that you can check some fuses like F850, F852, etc. for continuity. Mine were out. I had replaced those two and I had tv for another year. Remove the screws that hold the board. Now, this board PD0074 is connected to the next board by two white connectors and one blue. ....lift them up from one side with your finger nail. Don't unplug anything from the power board, just loose some wires so that you can lift the whole board on one edge. Get a voltmeter and set it to check continuity. Mine has a buzz. Look for them fuses if they are bad , ....replace them. (You can buy them at Partstore.com.....punch in "fuses"or "125V 2A")
In my case that was the only problem a year ago. Now I also have the same problem but this trick didn't work for me anymore. The Power Co,. messed me up big this time. In fact the problem with these Toshiba rear proj. is that when the power in your house goes out and comes back right a way in a split second and you don't have a power regulator, guess what : 'red led blinking'
In my case this time the whole power went on and off a few times within 10 sec. and by the time I got to the TV to unplug, it was to late. I think I have to replace the whole PD0074 board....and that's expensive.
Good luck

Jan 12, 2008 | Toshiba 65H81 65" Rear Projection...

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Str reg.


No need to take the front screen out. The power deflection board is messing up with that red light.
Nic

Aug 19, 2007 | Toshiba 65H81 65" Rear Projection...

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What are the labels on the lights? Timer/Lamp/Service and what color is wich?

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