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Old 30th September 2012, 09:25 PM   #31
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Location: Louisiana
Post a photo of the distorted waveforms.
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Old 1st October 2012, 12:42 AM   #32
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Both wave forms look the same ..

Scope set to 10ms .1 volts div with a 100hz sine wave
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Old 1st October 2012, 12:51 AM   #33
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Location: Louisiana
Do you have clean audio on pin 7 of U103 and U203?
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Old 1st October 2012, 02:44 AM   #34
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Yes I have clean audio on both U103 and 203 on pin 7
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Old 1st October 2012, 08:05 AM   #35
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Do the bias controls work?

What is the DC voltage on all 3 terminals of Q1021?
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Old 1st October 2012, 11:46 AM   #36
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Q1021

Base:44.3
Collector:14.6
Emitter:44.6

Bias controls are not working ..
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Old 1st October 2012, 04:50 PM   #37
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DC voltage on Q1009?
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Old 1st October 2012, 04:56 PM   #38
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Q1009

Base:13.29
Emitter:13.98
Collector:12.41
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Old 1st October 2012, 05:10 PM   #39
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Location: Louisiana
Post the DC voltage on Q1022 and Q1016.
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Old 1st October 2012, 05:20 PM   #40
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Q1016
Base: starts off at 13.89 volts and drop to 3.05 vols
Collector:44.5
Emitter:starts off at 13.89 volts and jumps all over in the 12 volt range

Q1022
Base:45.1
Collector:45.2
Emitter:44.7
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