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Bush 2877NTX power supply fault

 
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DougButtimer
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PostPosted: Fri Mar 16, 2007 7:18 pm    Post subject: Bush 2877NTX power supply fault Reply with quote

This TV power supply seems to be continually trying to start - it gives a click, click, click on audio (about 3 secs apart). Any thoughts about what the fault might be ? - I don't have any schematics unfortunately, so this is making diagnosis even more difficult. Any suggestions would be greatly appreciated !
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PostPosted: Sat Mar 17, 2007 2:35 pm    Post subject: Reply with quote

Fixed it !! It turned out that one secondary supply from the SMPS transformer was zero volts - the diode (FR303) was short-circuit.
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