Question about Toshiba 65H81 65" Rear Projection Television

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A toshiba 65h81 was getting blinking red light. I tried unplugging it a couple of times because that was fixing the problem. Now the television turned on and has sound but the picture is scrambled

I was wondering if it was ic converger or a blown fuse. The picture isn't distorted or out of focus. Just looks like the horizontal tuning is off. Can't see anything.

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  • Mike Ignace Jan 10, 2013

    When i switch it to the hd 1 channel , sound is fine but screen is a solid blue.

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6 Suggested Answers

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  • 2 Answers

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Posted on Jan 02, 2017

  • 1030 Answers

SOURCE: Toshiba 65H81 convergence issue

Does the blue and red crosses move at all ... eather vertically or horizontally. if they move at all then it may not be the chips.. could be a resistor. if the crosses dont move then it probally the ic. these chips run about 7 to 45 dollars apeace depending on type. at our shop we charge around 125 to put in.

Posted on Jan 15, 2008

  • 1694 Answers

SOURCE: 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.

Posted on Feb 01, 2008

ctf1800
  • 4402 Answers

SOURCE: Toshiba 42h81 replaced IC's now flashing red light and no picture

first of all take the board out and back sure all the pins are soldered and that one didnt get pushed up out of the way.
then check for solder bridges where you would have solder more than one pin together.
then check the resisters in the circuit that they are all good and then check to make sure everything is plugged in correctly

Posted on Feb 04, 2008

  • 6 Answers

SOURCE: 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

Posted on Mar 10, 2008

  • 1030 Answers

SOURCE: power led blinking

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

Posted on Apr 28, 2008

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

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

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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.

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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...

2 Answers

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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