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Sony D 1015 prologic amp. Help!

Discussion in 'Troubleshooting and Repair' started by skyhook, Jan 7, 2012.

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  1. skyhook


    Jan 7, 2012
    Hiya troops, :confused: Having a wee problem with the above amp. After a years inactivity this amp when plugged in goes into "standby" ( E version ) but will not power up.
    So far I have checked the obvious, fuses etc, then noticed that the power relay (RY 90) is not operating, so checked out (Q952) relay driver, thats Ok, and temporarily applying +5 to that transistor base activated the relay, but still no power-up. I'm starting to wonder about the main controller (ic 202) argh! :eek:
    Any suggestions, common faults

    Skyhook. :eek:
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