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Mtx ta92001 distorted output.
Mtx ta92001 distorted output.
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Old 10th April 2019, 12:08 AM   #171
kfx5050 is offline kfx5050  United States
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At the resistor yes at the op amp no.
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Old 10th April 2019, 12:17 AM   #172
Perry Babin is offline Perry Babin  United States
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Confirm that you have audio on both pins 1 and 7 of the 5532 near the header.
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Old 10th April 2019, 10:46 PM   #173
kfx5050 is offline kfx5050  United States
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yes I have the 50hz tone on pin 1&7 near the pre amp board plug
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Old 11th April 2019, 12:10 AM   #174
Perry Babin is offline Perry Babin  United States
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Is R4011 within tolerance?

Do you read 2000 ohms between pin 1 of the header op-amp and pin 3 of the op-amp near the heatsink?
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Old 12th April 2019, 03:37 AM   #175
kfx5050 is offline kfx5050  United States
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R4011 is showing 1.832kohms

The op-amp right cross from r4011 the one closest to the heatsink is what your referring too right? If so, It's reading 1.824kohms
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Old 12th April 2019, 03:48 AM   #176
Perry Babin is offline Perry Babin  United States
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I'm trying to determine why the signal isn't making it from the dual op-amp near the header to the two inputs on the 5534. You won't see the input to the inverting input while the op-amp is functioning normally but you should see it on the non-inverting (pin 3) input.
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Old 17th April 2019, 11:43 PM   #177
kfx5050 is offline kfx5050  United States
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Ok I order a new radio just arrived. I have a 50hz test tone at 1.055volts going into the amp on one side of r4016 I have the 50hz tone on the ather side I do not have the 50hz tone
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Old 18th April 2019, 08:16 AM   #178
Perry Babin is offline Perry Babin  United States
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On R4016, you should only see the signal on one side of the resistor. On R4011, you should see it on both terminals.
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