Question about Yamaha RX-V2700 Receiver
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Audio Yamaha RX... - Electronics Repair
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Your unit , besides the standby transformer , there
is a much bigger transformer that supplies
voltages to the Amplifiers.
These amplifiers will not operate without the necessary
split supply ,
These power transformer will not have output voltages
if the primary windings are open.
( open meaning no internal resistance ).
If these transformer is not open,
Check for low voltage regulators that activates ( latch )
the relay that turns On your Power transformer.
If these are OK , three ( 3 ) things to check
a) check Micro
b ) check for cold solder joints
c ) check for possible shorted power Transistors
Posted on Sep 08, 2010
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Posted on Jan 02, 2017
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