Pioneer stk4277sl replace problem / shutdown


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Pioneer stk4277sl replace problem / shutdown

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Saehoon
Unregistered User
jungsaehoon@hotmail.com

Oct 13, 2004, 10:04 PM

Post #1 of 2 (752 views)
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Pioneer stk4277sl replace problem / shutdown	Can't Post

Hello,
I have Pioneer rear projection tv with red bow at the bottom.
I changed the stk4274, but the bow was the same.
So, I decided to change the stk4277sl.
When I installed the new one, it shut down as soon as power on.
I checked for the bad soldering, but it was ok.
So, I put the old one back.
The TV started to work again with the red bow.

Is all stk4277sl the same?
Is there any procedure to change that stk4277sl?

Thanks

hometown elect
Unregistered User
ddown@cogeco.ca

Oct 25, 2004, 8:13 PM

Post #2 of 2 (714 views)
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Re: [Saehoon] Pioneer stk4277sl replace problem / shutdown [In reply to]	Can't Post

Hi, I got the same problem. Changed this IC twice, with an STK4277- had to bend the leads, but still it goes into shutdown. I'm suspecting that the original STK4277SL is different internally, not just because it has bent legs. Is this correct?

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