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johnn Guest
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Posted: Mon Jul 13, 2009 11:22 pm Post subject: samsung clicking |
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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 Guest
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Posted: Tue Jul 14, 2009 2:50 pm Post subject: |
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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 Guest
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Posted: Tue Jul 14, 2009 4:18 pm Post subject: |
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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
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johnn Guest
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Posted: Tue Jul 14, 2009 4:42 pm Post subject: |
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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
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vtech
Joined: 08 May 2006 Posts: 1264 Location: USA
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Posted: Tue Jul 14, 2009 5:05 pm Post subject: |
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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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