Question about Sony STR-DA4ES Receiver
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Posted on Jan 02, 2017
SOURCE: SONY STR-DE125 READS PROTECTED
protection is designed to protect the output transistors from, shorted speaker wires, shorted speakers, too low speaker impediance,make sure the amp is well ventilated.
turn the amp off for 1 to 2 hours to allow thermal reset if this fails most likley some internal damage has occured and the unit will need to be serviced
Posted on Sep 02, 2009
SOURCE: won't go off protect mode
When the speaker wires shorted to each other, the output transistors for that channel probably shorted as well. This means that the receiver needs repair. The typical parts cost for this usually runs between $20-$40.
Posted on Feb 18, 2010
SOURCE: Sony STRDH800 emits a loud
Check the source of humming noise. Disconnect the input cables of source one by one. A faulty source should be found. It may be the source or the cable connecting from source to receiver. If a faulty cable, replace it & if it is source, repair it. Also try connecting a separate earthing for the receiver. A separate earthing stud is normally provided in receiver for separate earthing. If none of these solution work then you will have to look inside the receiver for loose earthing from various PCB's especially preamplifier.
Posted on Aug 03, 2011
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