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Old 19th February 2013, 03:25 AM   #41
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u5
1:0
2: 8.33
3: 8.26
4: -9.61
5:0
6: -7.32
7: 9.83
8:0

Are you sure about pin #2? Its a ground, wondering why you have positive voltage on it?

Pin #6 has DC on the output pin.

This IC may be defective.
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Old 19th February 2013, 03:31 AM   #42
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U15 and U6 look OK, not 100% on U15 you may want to see what Perry says.
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Old 19th February 2013, 03:31 AM   #43
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Yes pin #2 has 8.33 I will change out that IC real quick.
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Old 19th February 2013, 03:34 AM   #44
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What does U7 read on all pins?
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Old 19th February 2013, 03:43 AM   #45
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U7
1:0
2: 8.26
3: 0
4: -9.61
5: 0
6: 8.29
7: 9.88
8: 0
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Old 19th February 2013, 03:45 AM   #46
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I switched out the IC and the voltages are the same.
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Old 19th February 2013, 03:50 AM   #47
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I tried audio through it again and still distorted!
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Old 19th February 2013, 04:03 AM   #48
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U7
1:0
2: 8.26
3: 0
4: -9.61
5: 0
6: 8.29
7: 9.88
8: 0

This IC has no + input voltage on pin #3 as it should, and has + voltage on the negative input.
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Old 19th February 2013, 04:11 AM   #49
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Ok i will change it out
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Old 19th February 2013, 04:19 AM   #50
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OK still the same voltages.
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