Question about Food Mixers
I HAVE A STUDIOMASTER VISION 708 MIXER AMP WHEN I TURN IT ON ITS OK FOR A FEW MINS BUT THEN THE RIGHT CHANNEL GO'S OFF. IT FADES AWAY. AND IF I TURN UP THE VOLUME IT SLOWLY COMES BACK ON. BUT WHEN ITS BEEN ON FOR BIT IT SPLUTTERS LIKE A BAD CONNECTION. I HAVE CLEANED ALL FADERS & CANT FIND A FAULT IN ANY FADER OR POT THAT MAY CAUSE THE PROBLEM. WHEN THE RIGHT CHANNEL IS OF. THE METRES LEFT & RIGHT ARE STILL FLASHING. SO I PRESUME ITS NOTHING TO DO WITH THE INPUT. INSIDE THE AMP THERE ARE TWO LED'S THEY ARE MARKED..LEFT FAULT & RIGHT FAULT.. THESE ARE NOT LIT IT HAS A ON BOARD COMPUTER THAT GIVES HELP. I DONT KNOW IF IT DISPLAYS FAULTS IF THERE IS ONE..IT IS NOT DISPLAYING ANY FAULT. PLEASE ANY IDEA WHAT MAY BE GIVING ME THIS FAULT YOURS JIMBO email@example.com
I am not sure about the LED fault lights....but I have a few troubleshooting angles to provide a start:
Try checking the power supply at the output devices and compare with the good (Left) channel.
The distortion you are hearing may be due to
This is a stereo amp, so you have a good (Left) channel to compare with. Use a multimeter to compare resistances (no power applied) or voltages (power on) at the components working back from the outputs of each channel. When you find a difference you have located the faulty area.
If you can get an oscilloscope it can also be used to trace the path back from the output of each amp. Good Luck Be careful!
Posted on Jan 08, 2008
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