Question about Sony Audio Players & Recorders
...IC-401) AND NOW SET CAN BE POWERED BY THE REMOTE CONTROL ONLY AND ALL SECTIONS CAN BE OPERATED THROUGH REMOTE. BUT NOT AN ANY SINGLE KEY ON THE SET IS RESPONDING. DEAR SIRS, WHAT CAN BE THE CAUSE? ...
...IC 401 on the main board may be defective. The power supply electrolytics (C512, C513 & C514) and are a bit underrated. Recommend replacing them with 50 volt capacitors and placing an extra 2 in the ...
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