Hi,
T461 FBT # TFB4166BH was the cause. I put a 100W bulb in the B+ line (opened trace) to FBT. The bulb was bright when I turned on TV. Note: Out of circuit, the FBT tested fine using a FBT tester, etc.
Brad
Original post:
I have a Toshiba TV 27AF41, ch TAC0114 (mfg 12/01) (Photofact 4577)
>in my shop. I don't have SM. When you try to turn on the TV, it goes on for
>a fraction of a second then off. Then the front panel LED starts blinking.
>I was able to see (scope) a flyback pulse briefly (used a loop around FBT
>core), but I didn't have a good view of the pulse condition. I plugged the
>TV into a 90 VAC source, but the results were the same. Note: My customer said
>this problem wasn't caused by a storm. He said, "the TV was turned off, then
the
next time someone tried to turn it on, it wouldn't go on."
>
> Did you have the same type of problem with this model TV?
>
> Thanks in advance, Brad
>
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