Zapco Z300

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nonprof

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Joined 2011
Hello!

Kindly help me on this amp. This amp has burnt board on the power supply side. The amp has a cycling power, I think there is missing connections. If anyone has schematic on power supply side...kindly provide me.

thank you so much!
 

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Perry Babin

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Joined 2003
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Zapco will provide the diagrams for some amps, email them to see if this one is available.

The corrosion on the copper trace indicates that the electrolyte has leaked from the caps. The electrolyte will saturate the board. This makes the board conductive. You need to cut away all parts of the board that are saturated. All similar caps (to the leaky one) will need to be replaced.
 
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nonprof

Member
Joined 2011
Perry Babin said:
Zapco will provide the diagrams for some amps, email them to see if this one is available.

The corrosion on the copper trace indicates that the electrolyte has leaked from the caps. The electrolyte will saturate the board. This makes the board conductive. You need to cut away all parts of the board that are saturated. All similar caps (to the leaky one) will need to be replaced.
Click to expand...

i already sent an email to Zapco but they not respond. Yeah I've changed the capacitors and cut away the saturated part. The problem I'm missing some connections....
 
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