Toshiba chasis: tac9307 model: tv32c50
 

I have replace Q404 (horizontal output)the set has work fine for about
30 minutes and the transistor blown again, i have check all capacitor
and they test ok, the B+ is ok.
Does anyone have any tips on this set.

thank you

ha scritto nel messaggio
ups.com...
I have replace Q404 (horizontal output)the set has work fine for about
30 minutes and the transistor blown again, i have check all capacitor
and they test ok, the B+ is ok.
Does anyone have any tips on this set.

Driving electrolytic, feedback polyester caps connected to HOT.

I.

wrote:
I have replace Q404 (horizontal output)the set has work fine for about
30 minutes and the transistor blown again, i have check all capacitor
and they test ok, the B+ is ok.
Does anyone have any tips on this set.

thank you

I have finally found the solution, bad solder(hard to see) at the HDT