Question about Toshiba 42H81 42" Rear Projection Television

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Toshiba 42H81 problem set won't turn on

The set won't turn on. Screen is blank. On/Off button flashing red light. When I turned on the set this morning, it worked, then suddenly went black and light has been flashing since. Checked power and it still does not work

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Re: Toshiba 42H81 problem set won't turn on

This repair is for technical skilled only.....
1) Pull chassis
2)Replace open fuse(s)
3)Replace Convergence IC"s
4)Solder specific bad connects

Please read my previous posts concerning convergence repairs.
Or provide Make,model,age and symptom.............T.

Posted on Feb 23, 2008

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Toshiba TV won't turn on

Toshiba? Suspect that if it uses a Lamp for brightness (a model number would help) it may have failed----customer replaceable and if remove look to see it is not shattered inside--2 year, 2000 hour life is normal.

Oct 29, 2012 | Sony Projection Televisions

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I recently got a Toshiba 42H81 that someone didnt want anymore and the problom is that when you turn it on no picture or sound comes on just the red light keeps flashing, what could this be and how much...

hello the led is flashing this is giving you an error code count how many times it flashes then do a search on google it may tell the you the fault good luck


Jul 04, 2010 | Toshiba 42H81 42" Rear Projection...

1 Answer

Won't turn on only the red light flashes, what is the problem

Hold down 0 on the top of the letters but make sure you backed up data

Oct 26, 2009 | Toshiba 42H81 42" Rear Projection...

1 Answer

Red light blinks and black screen.

The blinking red light is a standby indicator. Make sure your remote is set to "tv" and not "cable" or "auxiliary".

Jul 25, 2009 | Toshiba 42H81 42" Rear Projection...

1 Answer

Tv turns off

Hi, your power board is in a weak state. this is being caused by major component failuer. replacing the power board will fix this issue.

Jul 09, 2009 | Toshiba 42H81 42" Rear Projection...

1 Answer

Power light blinking

I have a Toshiba 42H81 that has the power indicator light blinking and the TV will not turn on

Oct 14, 2008 | Toshiba 42H81 42" Rear Projection...

1 Answer

No power

Replace Convergence IC's STK392-110 and any burnt resistors
& check fuses F851,852,853,etc.........................T

Aug 11, 2008 | Toshiba 42H81 42" Rear Projection...

1 Answer

Power off automatically, the red light in front of the tv blanking, remote / button can not shut off tv, only unplug the power. After 20 seconds replug the power, tv turns normal, but it happen again and...

Good Day,lizbg;
Check the solder connections at the negative side of both C809 and C810. Resolder if necessary. This a common problem with model.
Good Luck, Big Irish.

Jun 14, 2008 | Toshiba 42H81 42" Rear Projection...

2 Answers

Toshiba 42H81 Blinking on and off light

Very common problems with this TV set. Toshiba even has a technical bulliten on this and several other models of tV set. The negitve terminal of C809 and C810 need to be soldered, as there are no eyeletes in the printed circuit board. This problem could also take out the fuse, F860. Replace if necassary. Good Luck

Mar 31, 2007 | Toshiba 42H81 42" Rear Projection...

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