Question about Rockford Fosgate FAP T1 Amplifier

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Fosgate 4200 amp

Dead channel, anyone have some schematics

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Schematic is not totally necessary; the two channels are identical with the same topology, just most to comparate it for burned devices.
Example: two NPN transistors for CH1, two for CH2

one npn driver for CH1, the same for CH2

Posted on Feb 04, 2009

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Posted on Jan 02, 2017

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What would cause 1 channel of a Rockford Fosgate T800.4ad 4 channel Amp to fry speakers while there are no such problems with the other 3 channels?


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Hello
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Ive had my amp for 4 yrs pushing a single p3. Now when I turn the volume up the protect light comes on then off. The amp still has power but stops pushing the speaker. Is my amp about dead or what?


Either one or both of your channels maybe going bad. It sounds like your amp is about dead BUT there is hope. If you have had it just on one channel then that channel maybe burnt up and if you have had it bridged then your channels are about gone. It all depends on what fuses you have had in the amp. And from the age and use its not going to last much longer with constant use.

Dec 20, 2010 | Rockford Fosgate Punch P5002 Car Audio...

1 Answer

I need to repair my amplifier ..but the tecnition asks me to get the schematics of this amp due to that here in BSAS..ARGENTINA THERE IS NO INFO CONCERNED TO THIS ITEM..thereso...having this info we can...


Hi,
I have few schematics of Rockford Fosgate units, let me know model number of amplifier to see if its schematics exist in my stock or not.
In case schematics does not exist in my stock, you need to contact Rockford Fosgate for required schematics.
Following schematics exist in my stock:
G250A2
G800A2 Punch 801S PC4333
TEBD10001
1001X
100X2
301M PC 4309H
551S PC4340A H500A2
600A5 PC1986E
601X
MOS 650SCH
PC1000SCH
Power 300SCH
Punch 2001X
Punch 500M
RF2000SCH
Thanks.

Nov 24, 2010 | Rockford Fosgate Car Audio & Video

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Transistor source and price


rockford fosgate use hexfets.they are made by international rectifier and are available from toronto. they are n and p channel devices.they are not bipolar transistors...

Jun 16, 2009 | Rockford Fosgate Punch 401S Car Audio...

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Rockford Fosgate Punch 401s starts then smokes


Can somebody email me the schematic for the Rockford Fosgate 401S?

Feb 04, 2009 | Rockford Fosgate Punch 401S Car Audio...

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"low impedance"


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Jan 30, 2009 | Car Audio & Video

1 Answer

301x amplifier


Good luck. Rockford Fosgate does not sell or release any service parts/diagrams AT ALL. They want you to buy a new one or send it in to them to be repaired at an exhorbitant price. Also, from my experience, most RF amps are unrepaairable due to their construction design. the outputs are case soldered and cannot be removed individually. Time to upgrade.

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