Question about Rotel Audio Players & Recorders
The left speaker channel is giving out no sound
YOU ARE NOT RIGHT IT SHOULD GIVE AT LAEST A LOW VOLUME SOUND WITH A LOT OF DISTORSION AND A CRACKING NOISE IF DOES I GUESS THAT YOU HAD THIS AMP IN A PLACE WITH A LOT OF HUMIDITY AND YOU HAVEN'T WORK IT FOR SOME TIME IF I AM RIGHT PUT YOUR AMP IN THE SUN AND WORK IT FOR 10 MIN WITH A 5 MIN BREAK LET ME KNOW THE RESULTS
Posted on Sep 03, 2014
SOURCE: Rotel RA 9808X Amplifier
I'd suspect that one of the two output transistors on that channel has gone bad. If you are unsure how to test or troubleshoot this, then you might try replace both the NPN and PNP outputs and catch the bad one that way. If your amp uses an output module then you would of course have to replace the module which would replace all the output transistors on both channels. Good luck. Another thing to look out for, is the emitter bias resistors. They are the large white ceramic ones near the outputs. Sometimes one of those will open up too. They will be of a very small resistance value like .5 ohms (point five ohms) or something in that general ballpark, and have a wattage value of typicaly 5 watts. So they are pretty big resistors. Be sure to check them all even if you do find a bad output transistor. They will often go out with the transistor. Good luck.
Posted on Jan 18, 2007
You may have blown a fuse on the left channel due to speaker wires shorting or a defective speaker. If there are no fuses on the rear of the amp there are probably internal fuses. They are usually glass with a small wire running from end to end. If the fuse is blown the wire will be broken. Replace with the same value of fuse.
Posted on Aug 27, 2007
SOURCE: Rotel rx 1050...Not working
If you are not using the 12v trigger between pre-amp and power amp make sure that the trigger switch on the rear of the RB-1070 is set to off
Posted on Feb 12, 2008
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