20 Most Recent
Uniden UM525 ES Series VHF Radio with Hailer Questions & Answers
Um525 service manual
Unfortunately, in my experience Uniden will not part with their service manuals cheaply. Perhaps if you contact them directly you may be able to get some joy.
Link to owners manual is posted at the link below, with contact info on the last page
-Steve
http://www.uniden.com/pdf/UM525om.pdf
Need schematic for a uniden es um525.
Need more information. Which channels don't work? Not all channels are authorized. Typically, the radio will not fail in such a way to allow some channels to work but not others.
I have a Uniden 525
Yes if the tip is broken, the antenna will receive, but not transmit properly. The make an antenna that has a 32" stainless steel antenna with a small metal "can". Can mount it anywhere.
My UNIDEN UM525 receive only
First, check your antenna, could have been struck by lightning or corrosion could be setting in, if it's corrosion you would not be able to see it. Before going into your radio, try the radio with a different antenna. You never mentioned weather the radio are transmitting or not, knowing this the technition would have a better idea where to check for the problem. Good luck.
My Uniden UM525 is blowing
Hey Marked,
First check the diode in the B+ line . Probably it is shorted due to a reverse polarity connection.
Take it out and test without the diode if it works replace it diode.
Good luck.
Not finding what you are looking for?