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A 21196 was shorted in the right channel..
Got The Perry 700 II Opened Up
- Thread starter laatsch55
- Start date
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Powered up, relay clicks, offset .000, and .000, Bias .381 left channel, .075 right channel and will only adjust from .064 to .075....
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Proper bias requires BOTH rail fuses....
All good now...
All good now...
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This must be your amp Lee... 
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How could I have a shorted output with an intact rail fuse?
The emitter resistor fuse...
mlucitt
Veteran and General Yakker
It is a good feeling when you bring a WOPL back to life. We should document these failures in a dedicated thread, they don't happen very often. I wonder what the conditions were when the rail fuse detonated?
I had a customer that took out a few outputs of his PL700 II when he accidently dropped the tone arm onto a record. Took out his speakers too.
I had a customer that took out a few outputs of his PL700 II when he accidently dropped the tone arm onto a record. Took out his speakers too.
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I was drunk and talking to Darcy on the phone...and Shpongle was involved...
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This must be your amp Lee...
Yeppers....and now IT KNOWS too..
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Yeah, just a little to far to the right.
Joe's engineering has made taking out an output a lot less painful. Not near as much collateral damage..
Joe's engineering has made taking out an output a lot less painful. Not near as much collateral damage..
For you Lee, I should probably consider reducing your emitter resistors to 2 watters...
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Ya know I have a big grip of them and was sorely tempted to use them..
mlucitt
Veteran and General Yakker
Lee, just replace your .33 Ohm resistors with 1 Amp fuses from China, they are probably close to 1/3rd of an ohm...For you Lee, I should probably consider reducing your emitter resistors to 2 watters...
I will do a special backplane version for Lee that has fuse clips in place of each emitter resistor...
mlucitt
Veteran and General Yakker
"Now that's funny right there, I don't care who you are..."
- Larry the cable guy
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Now yer talkin!!!!!!!!!!!!
AngrySailor
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Ridden hard, put away wet.