Dropped HR2510 no RX or TX??

[KD0FBK]

I bought a 2510 that had been dropped.

It powers up, but that is it. If you jump mic connections 1-5 you get weak audio, and if you ground pin 5 you get normal volume, but it sounds like sideband.

I haven't tried TX with it yet, as I don't have a replacement connector for the mic yet. Is that a standard 5 pin? Would radio shack have that?

Shouldn't it RX even with the mic unplugged?

I examined inside did not find any cracked boards, the main damage appears to be to the face plate around the AM-FM and SWR knobs.

 

[ZR2]

Yes the 2510 will have RX without the mic plugged in.

 

[KD0FBK]

That is what I thought, I couldn't remeber for sure though as Rogerbird had my good 2510 right now!!

This one has no RX unless you short pin 5 of the mic to ground then you get RX.

 

[Old Pirate56]

HR2510

Sounds like it might be a repair job for Roger or Doc.

 

[Rogerbird1]

No audio...

Does it have the Accessory jumper plug on the rear accessory jack? The radio will not have any rx audio on the internal Speaker without the jumper.
The Standard Jumper plug has one white wire connected from pin 1 to pin 7. This completes the connection to the internal Speaker.

Roger

 

[KD0FBK]

It has an external speaker wired in to the plug.

 

[Roger Dodger]

Re-examine and re-examine the boards again. I can assure you that dropping a radio doesn't cause toasted semiconductors and the like. I have seen dropped gear that displayed no pcb cracks, yet a component lead had worked loose from the solder pad --- just the same IMHO. A loose lead from a small capacitor can be very difficult to locate, esp. if it's an electrolytic or IF xformer body hiding most of the offending lead. Use a hefty magnifying glass. Check for broken ground foil traces. Touch up any questionable looking solder joints.