I hope someone can help me. I have a Uniden Pro 538w. It has no receive or audio but it does have wattage output. Can anyone give me some clues as to what to look at. I can't seem to find any information out there for it.
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Uniden Pro 538w problem
- Thread starter Dogcatcher
- Start date
it does sound like the audio chip.
if it has no modulation on TX then this is where i would start looking.
im not sure which IC number it is in that chassis, but im pretty sure it will be the only multi-pin IC chip that is mounted to a heat sink or the side of the chassis.
if you have experience in changing out IC chips, then this should be a pretty easy repair.
if however, you have never done it before, its probably not the best first repair project. all depends on your electronics experience and comfortability.
the thing is, this is a pretty cheap radio, and really isnt worth paying a shop 30-40 bucks to fix.
good luck with it,
LC
if it has no modulation on TX then this is where i would start looking.
im not sure which IC number it is in that chassis, but im pretty sure it will be the only multi-pin IC chip that is mounted to a heat sink or the side of the chassis.
if you have experience in changing out IC chips, then this should be a pretty easy repair.
if however, you have never done it before, its probably not the best first repair project. all depends on your electronics experience and comfortability.
the thing is, this is a pretty cheap radio, and really isnt worth paying a shop 30-40 bucks to fix.
good luck with it,
LC
I think Loosecannon's analysis is right. Bad audio IC. I think the audio chip in this rig is a UPC1242H. Before you change it, check for broken solder joints on this IC. Good luck. 73s.
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