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Rockford 325.1
Rockford 325.1
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Old 11th January 2020, 04:22 AM   #1
ray9043 is offline ray9043  Mexico
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Join Date: Mar 2008
Default Rockford 325.1

Hi everyone.

Im trying to repair a p325.1.

I need to know if the 28n15 mesha board needs the tc and the transistor. I found the amp without tc, transistor and mosfets. I put 2 irf250 only for test.

Short light comes on but briefly then my ps protects. Nothings hot.
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Old 11th January 2020, 05:24 AM   #2
Perry Babin is offline Perry Babin  United States
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Location: Louisiana
Yes. It needs both. It will likely function on a basic level without the thermistor but not without the transistor.

If the connections for the two 3-pin jumpers are damaged, you'll need to re-establish those connections as well.
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Old 11th January 2020, 08:42 PM   #3
ray9043 is offline ray9043  Mexico
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Ok, i will repair one jumper. What type of transistor is? Thermistor, can i test with a 10k?
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Old 11th January 2020, 10:20 PM   #4
Perry Babin is offline Perry Babin  United States
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Join Date: Nov 2003
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See attached.

I don't have the 325.1. This is the 2-channel but they should be essentially the same. Someone else may have the 325.1. If not, you can get it from Rockford Monday.
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File Type: pdf rockford - punchp325.2sch1405-52789-01-A.pdf (686.2 KB, 9 views)
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