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Old 25th September 2012, 07:23 AM   #1
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Join Date: Oct 2010
Default AV amp problem

Dear all,
I have an old Yamaha A1092 which has been put in store for a few years. It failed to turn on after connected today. It just automatically switch off about 1 sec after turning on. I have run the diagnostic menu and the diagnostic code was PS PRT 0%. Can anyone tell me whxt is wrong with the power supply? Thanks.
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Old 26th September 2012, 05:28 AM   #2
jitter is offline jitter  Netherlands
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Join Date: Aug 2004
Location: Eindhoven, The Netherlands
No, we cannot, not nearly enough information given to even make an educated guess. You will have to visually check for anything out of the ordinary first. Then it's time to start measuring.

Do you have the necessary skills and equipment?

Service manual..
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