Question about Volfenhag ZX-7180 Car Audio Amplifier

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Can't take apart

How to remove main board

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What sort of trouble are you having getting it out?

Can you send me a photo of the insides?

Posted on Oct 13, 2008

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This is not something for the average person to attempt. You need to take the case apart. There are several screws. Doing this would void any warranty that you may have on the unit.

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Hello nymnym999,

You did not specify which Fusion amp you have but if the insides looks like the Fusion PP-AM60020 image below, you'll have to "desolder" the transistor.

First remove the heat sink from the transistor case. You'll need a controlled heat soldering station, a desoldering vacuum tool commonly referred to as a "solder ******", and some desoldering braid. Be careful with the heat around other components.

After removing the transistor, use the desoldering braid to clean off any remaining solder from around and in the circuit board mounting holes. Position the new transistor and solder it to the board. Put a thin film of thermal compound on the heat sink and remount it to the new transistor. Use just enough of the compound to insure an air-free join between the transistor case and the heat sink. Reassemble the case and you're finished.

Hope this helps.

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Broke ******** in amp input

If the center conductor of the RCA plug broke of inside the RCA jack of the amplifier, you may be able to push it out from the back. If that's not possible, you may have to remove the jack from the board, disassemble it and then push the center conductor out. If you send me a photo of the jack, I may be able to offer more suggestions.

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