schematics for rockford fosgate punch 100aII

[Hatefist180]

Hi guys cool site here! was wondering if anyone had a schematic for a rockford fosgate punch 100aII? can't seem to find one. power supply is busnt up. the fet's (buz11's) not sure if any surface mount stuff is bad or not yet. the led doesn't come on and the amp will put out some sound, but is very low. any help would be greatly appreciated. thanks in advance! Adam

[seankane]

Dont have a schematic for the 100a2 but you can email rockford and they will send you one. The original power supply fets were probably BUZ103 and they used a 100 ohm gate driver. What board number do you have? PC ?? I have probably 100 parts boards laying around if you need help determining where to start and what to replace.

[zeonrider]

Originally Posted by Hatefist180

Hi guys cool site here! was wondering if anyone had a schematic for a rockford fosgate punch 100aII?

Here!!!

Regards zeoN_Rider

[Hatefist180]

thanks for the schematic man! sean, the board says rockford corp, fosgate division, pc-2032-c. any info about what might need replacing in addition to the buz-11's and where to get the parts would be appreciated. THANKS GUYS!!

[Hatefist180]

thanks for the schematic zeon. Sean, the board says Rockford corp fosgate div. pc-2032-c. the buz-11's are burnt for sure but any info on what may also need replaced and where i could find them would be great. thanks, Adam

[seankane]

Originally Posted by Hatefist180

thanks for the schematic zeon. Sean, the board says Rockford corp fosgate div. pc-2032-c. the buz-11's are burnt for sure but any info on what may also need replaced and where i could find them would be great. thanks, Adam

You can order the parts from:

Ebay
Mouser
Allied
Digikey
Pacparts

I stock all the parts if you have paypal I can set up an auction on E-bay and you can pay me for the parts. Change the power supply fets, change the gate drives for them as well, and right by the PWM probably TL494C their are 4 surface mount driver transistors marked 1A and 2A, those all need to be changed as well. First determine what caused the power supply to fail. Likely someone reversed polarity in hooking up the amp or an output fet failed and shorted the power supply. The output fets will be IRF540 and IRF9540. Also check the gate drives for the output fets and the emitter resistors for the output fets. Sometimes if the output fails it can take out some of the 1A and 2A smd components in the channel as well. Let me know what you need for parts and help I will happy to help you.............

[seankane]

Buz 103 were probably the OEM if you will power supply fets originally used. Someone has probably repaired it before and used the BUZ11 as a sub. I have about 400 BUZ103's in stock as well as all the other parts you need. LMK...................

[Hatefist180]

you're right sean, buz 103's. not really sure what happened to the amp, had my car parked for 5 yrs cause i lost my license. :-( at some point i removed my speakers but I'm pretty sure i didn't leave the wires in any condition that they could touch but ya never know. if the speaker outs touched wouldn't the output fet's be fried? or would you not be able to tell? the gate drivers you're talking about, would they be (on the output fet's) barrel type transistors without the heatsink? Q212, Q213 and Q112, Q113? marked MPS A56 M902-MPS A56 M846 on the component? and the emitter resisters, would they be r150, r152 and r250, r252? marked 100 on the component?

[seankane]

Originally Posted by Hatefist180

you're right sean, buz 103's. not really sure what happened to the amp, had my car parked for 5 yrs cause i lost my license. :-( at some point i removed my speakers but I'm pretty sure i didn't leave the wires in any condition that they could touch but ya never know. if the speaker outs touched wouldn't the output fet's be fried? or would you not be able to tell? the gate drivers you're talking about, would they be (on the output fet's) barrel type transistors without the heatsink? Q212, Q213 and Q112, Q113? marked MPS A56 M902-MPS A56 M846 on the component? and the emitter resisters, would they be r150, r152 and r250, r252? marked 100 on the component?

If the speaker wires touched the output fets could be shorted. The gate drivers will be on the left leg of the output fets which is the gate, probably will be 10 Ohm marked 100 on the component. The barrel components you see one for each output fet are the emitter resitors 0.1 Ohm I use 2 watt, they will be color coded brown, black, silver, gold. The MPS A56 and MPS A06 are general purpose amplifiers. If they are bad you could have distortion in your channel the ones inline with the outputs are likely MPS 6521 a NPN low level amplifier. I dont have a board sitting in front of me nor a schematic so I cant really relate to specific locations on the board.

[seankane]

Do you have DVOM? If this is something you dont want to tackle I can repair it for you, with a fast turn around time.....LMK if not I can try and walk you through it and sell you the parts.....providing you have knowledge of soldering and what not??