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Benq FP567s schematics

 
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Tekno_dc
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PostPosted: Thu Aug 10, 2006 7:15 pm    Post subject: Benq FP567s schematics Reply with quote
Hi,

I'm searching schematic or service manual for Benq FP567s.

The problem is in the power supply i thing, the power is sometimes switching on/off when use after a little time,i plug it off and when it's cold it's working again.

So i think it's a capacitor in the psu.

T.I.A

Danny.
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PostPosted: Tue Oct 18, 2011 7:12 pm    Post subject: Re: Benq FP567s schematics Reply with quote
Tekno_dc wrote:
Hi,

I'm searching schematic or service manual for Benq FP567s.

The problem is in the power supply i thing, the power is sometimes switching on/off when use after a little time,i plug it off and when it's cold it's working again.

So i think it's a capacitor in the psu.

T.I.A

Danny.


Maybe my experience will be of some interest.

I just repaired a FP567s with similar proble. At the pluging of the AC cable the blue led started to flash one second on, one second off, and after half an hour, the screen was on and operates fine. After an off-state, newly the led flashes another half hour and so on.

At first glance I thinked in some similar way: defective caps in PSU, same to that I founded in a Samsung monitor but, after an exploration of the PCB with a lens there appeared various pads with breaked solder points in the two out transformers of the inverter, plus suspicious solder on the pads of the three rectifiers of the secondary PSU.

After resoldered each pad in that pieces the monitor starts and works fine.

Best regards and good luck:
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jts1957



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PostPosted: Tue Oct 18, 2011 10:05 pm    Post subject: Reply with quote
Nice to see people helping people. EVEN AFTER 5 YEARS!
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