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Kahlua53
 
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Default RCA TV # E09344 (2)

Hello Guys

Thank you for the reply.
The chassis # TX808J.
Transistor ST1803DHI

What the problem was is when you trun it on the picture got too bright and shut
down. So I knew it was due to a high voltage shut down. When I checked the Horz
Output transistor, I found the Base to be shorted to the Emitter testing it in
either direction. As far as testing for anything else being bad I did not do
thatyet.
I just wanted to see how hard it was going to be to find the part.
I will start checking some other parts.

Thank you for the help (dkuhajda/plotsligt)
Jeff
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Better keep looking. Base to emitter is always a short when the
transistor is mounted on the board. Base to emitter 25 ohms out of
circuit. Horiz outputs never, ever short B-E.
Kahlua53 wrote:
Hello Guys

Thank you for the reply.
The chassis # TX808J.
Transistor ST1803DHI

What the problem was is when you trun it on the picture got too

bright and shut
down. So I knew it was due to a high voltage shut down. When I

checked the Horz
Output transistor, I found the Base to be shorted to the Emitter

testing it in
either direction. As far as testing for anything else being bad I did

not do
thatyet.
I just wanted to see how hard it was going to be to find the part.
I will start checking some other parts.

Thank you for the help (dkuhajda/plotsligt)
Jeff
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Tom MacIntyre
 
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On 23 Jan 2005 08:46:53 -0800, "
wrote:

Better keep looking. Base to emitter is always a short when the
transistor is mounted on the board. Base to emitter 25 ohms out of
circuit. Horiz outputs never, ever short B-E.


There is never, ever, any never, ever in elctronics repair. :-)

Tom

Kahlua53 wrote:
Hello Guys

Thank you for the reply.
The chassis # TX808J.
Transistor ST1803DHI

What the problem was is when you trun it on the picture got too

bright and shut
down. So I knew it was due to a high voltage shut down. When I

checked the Horz
Output transistor, I found the Base to be shorted to the Emitter

testing it in
either direction. As far as testing for anything else being bad I did

not do
thatyet.
I just wanted to see how hard it was going to be to find the part.
I will start checking some other parts.

Thank you for the help (dkuhajda/plotsligt)
Jeff
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Kahlua53
 
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FYI
The transistor was removed from the board.

Jeff
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