Question about Audio Players & Recorders
SOURCE: amp keeps switching off
There is a problem with one or both of the audio amp circuits. The amp is going into a protect mode as to protect and save your speakers. Sorry but there is no simple fix. this will need to go to the shop to be diagnoised. Good Luck
Posted on Apr 29, 2007
SOURCE: Receiver won't turn on
has 2 zener diodes and a 12 volt regultor defective in the regulator circuit on the main board, may also have a cap or 2 near the 12 volt reg. ref# u703
Posted on Sep 18, 2007
SOURCE: Volume Control
The volume control shaft lube, over time and heat exposure, will flow down and corrupt the contact between the volume twister and the spring loaded sensor. Pull the cover off the tuner, locate the volume control and take out the two screws holding it in. It looks like a small circuit board with the volume twister attached.
The base of the twister is hooked to the circuit panel by four metal tabs. Pry these guys gently away and pull the twister free. There will be a metal disk at the end of the volume control shaft, and will have a goopy lube residue on the face of it that can be cleaned with electric contact cleaner or some other kind of solvent. Wipe it clean,(do not immerse) reattach, and test. Worked perfect for me.
Posted on Jan 28, 2009
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