Sencore VA62 Blows Line Fuse
Well...it's been a tough few months here. To add insult to injury my VA 62 has decided to stop working. The unit blows the 1 amp line fuse immediately upon power up. Any suggestions on where to start, besides just throwing my hands up in disgust?
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Check for shorts at the plug with a DMM in ohms mode. If resistance is reasonable check the lytics on the rectified secondary (s)...If any of those lytics are shorted or very leaky they could pop the fuse.
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You may want to check the diodes on the power supply board to see if any have shorted. If so, then it may be a filter cap.
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And the pass transistor in the front panel DC bias supply - been there done that. Most likely though is the low voltage rectifiers someone mentioned earlier.
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