Question about Audio Players & Recorders
The receiver keeps shutting tv off, but comes back on within seconds. this happens regardless of how long the tv has been on. sometimes the tv is turned on and within seconds the received turns off. if can also be on for a while before it starts.
Posted by Anonymous on
SOURCE: yamaha receiver model rx-v550
it is your protection circuit working, preventing the unit from any further damage to circuitry. you can check first your speaker cabling for any short connections, possibly red/black terminal wires got entangled. if all ok then try removing all speakers then turn on the amp. if still does the same thing turning off then you have a problem with the amp output stage, shorted power output transistrs/driver probably. if the unit turns on normal without the speakers then you must have one or both of your speakers busted. by the way this amp is multi channel, after removing ALL the speakers connected, and does not turn off anymore, put the speakers back one by one and observe if the unit with turn off and on which set of speakers. otherwise if still trips even without the speakers, it is your amplifier that is deffeective, any of the five channels, main, rear,center. let me know result so i can guide you on how you can get it repaired and what will be the extent of damage in case.
Posted on May 22, 2008
I suggest you run self diag. press [FM/AM] key + [Input mode] key and press the [power/standby] switch.
ps prt = power supply problem
dc prt = shorted output or leakly cap in channel
tmp prt means to hot on heatsink
you'll likely have to measure the resistances of the output FETs to find a short,
Posted on Feb 03, 2009
SOURCE: ccr1cd keeps turning off
check your speakers cables, connections. check for possible cable short. If seem ok, remove all speakers, turn the unit on and see if still turning off. if it does then you have a trouble in your power amplifier, defective output sectiuon. could be your power and driver transistors. possible dirty or corroded system control board. try cleaning.
Posted on Feb 10, 2009
Does it work without PS3 attached?
When receiver turns off, it is usually due to badly connected/configured speakers. Try powering on the receiver without speakers.
Posted on Mar 02, 2010
I have found there are capacitors failing through the output circuit. Look for 10, 33, 47, etc.. microfarads.In that range. I charge typicaly 150 to $200 with parts on something like this. Larry's Electronics [email protected]
Posted on Apr 24, 2010
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