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johnn
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PostPosted: Mon Jul 13, 2009 11:22 pm    Post subject: samsung clicking Reply with quote
hi everyone.

just wanted some advice i have a samsung 42 inch model number: 42q7hd.

the tv just makes a clicking noise every couple of seconds and repeats clicking cycle and refuses to power up.

the front blue led on front of unit is flashing on/off every couple of seconds also.


i have replaced all capacitors on power supply and all seem to be ok.

anyone have any ideas ??
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johnn
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PostPosted: Tue Jul 14, 2009 2:50 pm    Post subject: Reply with quote
i checked voltage and noticed there is 5v present at the 5v line but when measuring the 12v & 18v line on psu meter measures 0 voltage ?
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johnn
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PostPosted: Tue Jul 14, 2009 4:18 pm    Post subject: Reply with quote
does anyone have or know where i can get the power supply diagram for the samsung model number: ps-42q7hd. ?
as heard psu diagram is not in the service manual.

thankyou
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Justmanuals



Joined: 21 Aug 2004
Posts: 1948
PostPosted: Tue Jul 14, 2009 4:34 pm    Post subject: Reply with quote
You will not be able to get a diagram of the power supply except from the manufacturer of it, How's your Chinese?

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johnn
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PostPosted: Tue Jul 14, 2009 4:42 pm    Post subject: Reply with quote
oh i see i just want to find values of some of the components are some are not marked properly on the power supply so i would even be happy with a chinese manual.
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Justmanuals



Joined: 21 Aug 2004
Posts: 1948
PostPosted: Tue Jul 14, 2009 4:44 pm    Post subject: Reply with quote
Well, look at the PS and see who made it. Call em up!
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vtech



Joined: 08 May 2006
Posts: 1264
Location: USA
PostPosted: Tue Jul 14, 2009 5:05 pm    Post subject: Reply with quote
johnn wrote:
oh i see i just want to find values of some of the components are some are not marked properly on the power supply so i would even be happy with a chinese manual.


http://forum.eserviceinfo.com/viewtopic.php?t=57438
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