6Jan/120
Alinco DR-635 Pre Amp Repair
I came across a DR-635 that was dead. After removing the panels it was clear that the pre amp IC had failed. Note that the heatsink comes out of the board thru a slot for cleanup. Below are pictures of the repair. I used solder paste and a hot air station to repair the unit after initial trace and PCB repair using superglue (Don't breath fumes). Parts were purchased from Alinco.
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Jackson County Rescue Squad
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