Question about Transceivers
Fault description: About 2 years ago, the rig started off by randomly turning itself OFF any time from 2 hours after initial power on, as time
progressed the fault became more frequent and time to switch-off dropped down to less than 5 minutes recently. And until recently I could switch the rig back on, after waiting a minute or two and it would often perform OK.
However; once the self switch off time progressed down to less than 3 to 5 minutes as noted above, the rig would refuse to operate correctly, in that it would come back on, on a different ban or a memory frequency, or, on the alternative VFO, (that is if it were initially on VFO A , when switched back on it would come back on VFO B). I have checked the Lithium memory support battery, it is OK at 3.1 Volts.
The rig had also started having difficulties with the Processor in & out gain settings and mike gain settings not being stable & repeatable! I suspect all part of the same problem. It (the rig) has never been fiddled with at all just used as is out of the box, although on SSB it never made better than 50 Watts out this however never was a worry to me!
73s I have heard of similar problems and some were heating related. the best is to check if your rig is heating up causing it to switch off and lose memory when switched back on. I have a buddy who had an unusual experience where he actually dropped frequencies so low that he could pick up ordinary radio frequency and also go into bands like 27mhz and 25mhz. But once switched off, the rig worked normal again. If you are experiencing heat problems then i suggest you put in a fan and remove all dust from inside the rig. You could probably also be having problems with power supply either internal or external. If all else fails, refer to a good repair shop this type of radios are very sensitive.
Posted on Oct 15, 2008
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