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Viewsonic N3252W-No power.

 
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Al52



Joined: 03 Apr 2009
Posts: 2

PostPosted: Fri Apr 03, 2009 3:44 pm    Post subject: Viewsonic N3252W-No power. Reply with quote

I have a fsp212-3f01 power supply board. I have replaced 8 caps in the secondary( 6 were domed ). I replaced Q7. ZD4 is good. Not sure about IC2. Still no turn on. A schematic would be handy for the set, but...any ideas? Thanks. Al Shocked
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jts1957



Joined: 24 Nov 2008
Posts: 2472
Location: Far, Far Away

PostPosted: Fri Apr 03, 2009 9:51 pm    Post subject: Reply with quote

Voltages?
Is Raw B-Plus present?
Is Regulator getting same?
Is regulator drive IC also getting start up voltage, and is it outputting a drive signal?
Does power supply get signal to "turn On?"
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al51
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PostPosted: Sat Apr 04, 2009 12:23 am    Post subject: Reply with quote

I am not 100% sure where to check for the voltages you just described, I usually use a schematic because I don't know where to check. All I know for sure is I have 120 in, nothing out.
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jts1957



Joined: 24 Nov 2008
Posts: 2472
Location: Far, Far Away

PostPosted: Thu Jul 02, 2009 1:27 pm    Post subject: Reply with quote

Edge connectors are usually marked.
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