Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems.

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Default Kardon AVR100 Protect Mode After Speaker short

Somebody must tripped on my speaker wires. I turned on my Harman and
Kardon AVR100 and after 3 seconds, it went to protect mode (red button
ring). I found out that the speaker wires were pulled from the
speakers and were shorted. I disconnected everything at the back of
the receiver and turned it on but just the same, it goes to protect
mode after 3 seconds. I checked the fuses visually and they seem to be
ok.

What could have been damaged? Is it worth fixing?

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Default Kardon AVR100 Protect Mode After Speaker short

Most likely the output stage devices and drivers are damaged. This is a
repair that should be done by an experienced service tech that is good with
audio amplifiers.

--

JANA
_____


"reneisla" wrote in message
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Somebody must tripped on my speaker wires. I turned on my Harman and
Kardon AVR100 and after 3 seconds, it went to protect mode (red button
ring). I found out that the speaker wires were pulled from the
speakers and were shorted. I disconnected everything at the back of
the receiver and turned it on but just the same, it goes to protect
mode after 3 seconds. I checked the fuses visually and they seem to be
ok.

What could have been damaged? Is it worth fixing?


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