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Old 2nd November 2010, 11:42 PM   #1
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Default alpine mrp-m1000

Working on this amp the blue light comes on but amp isnt powering up

Heres the voltages on the 494

1:0
2:4.76
3:4.70
4:0
5:0
6:0
7:0
8:0
9:0
10:0
11:0
12:0
13:0
14:0
15:0
16:0

Any ideas?
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Old 3rd November 2010, 12:08 AM   #2
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Location: Louisiana
What's the DC voltage on the three terminals of Q9101?
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Old 3rd November 2010, 12:30 AM   #3
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LEG1:0
LEG2:0.24
LEG3:0
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Old 3rd November 2010, 12:56 AM   #4
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Location: Louisiana
Blown fuses?
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Old 3rd November 2010, 01:08 AM   #5
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Ok replaced battery in my meter

ON Q9101

1:13.93
2:0.52
3:13.83
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Old 3rd November 2010, 01:15 AM   #6
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Location: Louisiana
DC voltage on collector of Q9102?
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Old 3rd November 2010, 01:18 AM   #7
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not sure which leg is what but the top leg is 13.86, bottom 2 legs 0 volts
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Old 3rd November 2010, 01:25 AM   #8
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Location: Louisiana
Email me. You need to compare the voltages on the microcontroller to see which are significantly different than they should be.
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Old 3rd November 2010, 02:28 AM   #9
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Location: Louisiana
What is the DC voltage on each end of R9106 (black probe on ground)?
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Old 3rd November 2010, 03:35 AM   #10
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0 volts on both ends
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