[TechAssist] Audio-Techs> Mitsubishi M-A4370 Stereo Power Amp

  • From: WWill90634@xxxxxxx
  • To: Techassist@xxxxxxxxxxxxx
  • Date: Tue, 11 Oct 2005 16:36:13 EDT

Wwe have a mitsubishi M-A4370 Stereo Power Amplifier.
The unit plays intermittently and shuts down. The power amps STK-4044V is OK. 
Transistor 
2SD1985 (TR901)gets hot and the unit shuts down intermittently. I replaced 
the 2SD-1985 and I still have the same problem. If I spray cool the transister 
the unit will start up and shut down again. I have no service if. Anyone  have 
any info as to what may be causing my problem.
TIA

Will
Soundview Electronics
Four Oaks, N.C. 27524


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