Question about Audio Players & Recorders
Sony surround and fm receiver was experiencing shut down problems before this. Any suggs and where can I get a schematic.
It would depend a lot on what type of subwoofer you have and it wouldn't be pretty.
According to the manual I found it doesn't have a Woofer Output so it isn't designed to route Low Frequencies anywhere.
Even if you rigged an Active Subwoofer to it using the Tape Output you wouldn't have central volume control for it unless the (unnamed) Sub was driven by speaker-level outputs from the Front A or B Speaker posts on the receiver.
Your question would be better framed and answered if we knew the details of the Sub and referred to ITS manual.
Posted on Apr 10, 2010
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SOURCE: My Sony Receiver Model No
Generally speaking, an amp attempts to protect itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on.
Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.
You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.
If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.
If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'nekkid'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.
Posted on Aug 31, 2011
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