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Music fax A1 a pure class a amplifier noise repair

Time£º2015-06-10 07:14:55  Source£ºNetwork  Author£ºUnknown  Clicks£º1544
  

Music fax A1 murmur pure Class-A amplifier maintenance case, music fax amplifier has been well received by the fans love, very low failure rate is the one big reason, Chongqing into long music fax amplifier maintenance experience of maintenance of sound found except for man-made damage, circuit board there have been almost no burnout of electronic components of the case,59Dservice manual download site
Common reasons are: 1 long time without the use of power amplifier machine moisture, potentiometer aging. 2 improper use of such as working hours too long heat dissipation, human short-circuit, water. The music fax A1 pure Class-A amplifier is early styles, no display, surface cover is amplifier radiator, when the temperature is very good, where the use should pay attention to cooling, then repair the fault for the right channel voice distortion, left channel volume knob murmur. The machine was remote, but the interior was still new, the test found.,59Dservice manual download site
No traces of repaired, the volume potentiometer is generally murmur of the maximum breakdown point, here is Alps Alps 50K*2 potentiometer to adjust volume, after the replacement of the original potentiometer sound without noise, but the right channel is still a little distortion, by careful observation found next to the volume potentiometer has two small capacitance corrosion phenomenon, with a hand shake loose, after the replacement of the two capacitance troubleshooting.59Dservice manual download site
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