Question about Yamaha R-V701 Receiver
RECENTLY A TRANSFORMER IN MY NEIGHBORHOOD BLEW OUT & MY RECEIVER STOPPED WORKING. THE POWER PCB RELAY MAKES A BUZZING SOUND & NO LIGHTS TURN ON. POWER PLUGS ON THE BACK OF THE RECEIVER DONT WORK EITHER. NO FUSES ARE BLOWN & INSIDE LOOKS GOOD. PLEASE HELP!
This could be the indication of an open resistor, or bad Capacitor in power supply. May not be visible to eye, but if you look in PS. there should be atleast one big sized cap and every PS has a bridge rectifier, this is usually 4 diodes in series, check them and see if any open, shorted
Posted on Sep 06, 2007
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Carefully examine the front panel for clues like a misplaced Mute or Tape Monitor control or Multichannel Analog Input selected.
There is a good chance that a common control may have developed a high-resistance or 'dead
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