Factory rib worth fixing?

[N4KVE]

While looking through a box of stuff from years ago I found a factory rib [built in 1988] that if memory serves me correctly didn't work the last time I used it. I believe the polarity was reversed where the voltage goes into the rib. It still has a funky smell to it. Would my error smoke the whole thing, or possibly just blow a diode? Would it be economical to fix, or would it cost more than a decent aftermarket rib. I presently am using a rib from Radio Stew, & it works great, but I wouldn't mind fixing this rib if it wasn't too costly. This older rib doesn't have a switch or space for a battery like the newer ones had. I don't have the skills to fix this. Does anyone here? GARY N4KVE

[AEC]

If the battery was removed, and an AC adaptor was used instead, I'd suspect the diodes in the 'power supply' regulation of the board.
I had a problem with a RIB that had taken a reverse polairty hit, and the diodes were physically open.

there may be other issues found once you dig into it, but the diodes are a good starting place.

[com501]

Even if you shotgun every active component in the unit, its hardly $20 in parts for a several hundred dollar RIB...

[N4KVE]

I appreciate the replies, but I'm not talented with this. I can strip & re assemble an AK 47 blindfolded in 30 seconds. While I can solder wires etc, whenever I attempt PCB work, I usually make things worse. So my question is can somebody here who is talented with PCB work who has fixed ribs before look at this rib & fix it for a reasonable price. I'm not in a rush, as I have another rib to use. This is an older rib made in 1988. Thanks. GARY N4KVE

[Will]

Gary,

I am still repairing and updating RIB's. I will be glad to 'fix' yours up.

[N4KVE]

PM sent. GARY N4KVE