Question about Toshiba 40H80 40" Rear Projection Television

TV Suddenly Stopped Working With No Warning Signs Of Impending Failure

My tv was working fine the night before & when I came to switch it on again, it did nothing else but illuminate the red power light and the green light started flashing, ( this green light is above the time clock icon ). Any idea's?

DJspikeman Dec 07, 2007

Same problem on my 46WH08 which uses the c00p chasis. The shutdown circuit is not allowing 5v on pin 16 which would fire the unit. If I short 15&16 together then it fires up ok.

Toshiba have a fault finding guide but there is a second one that describes my issue and that is missing. C00p chasis fault finding guide 2.

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Anonymous

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1 Answer

I had the same problem and was advised...

Check the 2amp pico fuse at F470 and if open replace it and Q404 2sc5570 the HOT (horizontal output transistor).. If not open check HOT for short EtoB and inspect the solder connections of Q801 in the SMPS.
If any of that sounds greek you need to take it to a shop or find someone handy with a meter and a soldering gun that can do the work for you.

If you've had yours fixed can you please let me know as mine is still not working

Posted on Dec 23, 2007

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