Climbing DC offset then protection mode When I switch this amp on it will produce soung for a short while, 30 seconds to a minute and a half before the protection circuit kicks in. DC offset begins at
need diagram for panasonic cqdf802u Here Ya Go! Note: pages 60-62 is the wiring diagram. http://service.us.panasonic.com/OPERMANPDF/CQ-DF802U.PDF
...seems to be sensitive to the volume level, I would be looking at the output wave form for any DC current. Although the protection circuit should detect any DC present, it is possible that some ...
20 seconds later. I'm going to guess you don't hear the second click, which means that your NAD has DC Offset, meaning a damaged amplifier
I have a Yamaha preamplifier CX-800/U where the Powertransformer is defect which let the primary 220V transform into secondary voltages.I know the transformer is no longer available but i would like ...
...60-70 volts. If you need a service manual, I may have one at a cost. For a guesstimate on the voltage, you can check the DC voltage on the large filter capacitors on the filter capacitors following ...
...all inputs and outputs to the system. Your amp is probably in Protect Mode, meaning you have DC Offset( a damaged amplifier). That will have to be repaired, before you can switch the unit on. ...
How fix amplifier one channel only working, how to fix channel ? Basics first check voltage on main dc rails on pcb you can do a cross check from the good Chanel be careful from electric shock left ...
Question about 3130 2Channel Amplifier
...does not appear, like in the good old days. What to do? Your receiver has a condition known as DC Offset, meaning you have a damaged amplifier. That second relay click, that you don't hear now, ...
Question about 3130 2Channel Amplifier
C340. Why do inputs switch to either tuner or tape2 monitor on their own, albeit intermittently? Probable answer? Dirt..Sometimes you can get poor contacts working again by gently working the switches
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