[ICOM] IC-1271A VFO Problem

[Gary P. Fiber]

Harry,

I doubt its the ram battery either its working or it fails. Its supposed 
to measure 3 volts or a bit more. Be careful if you short it out then 
you risk loosing the contents of the ram.  If the dial is changing 
frequency then the encoder is ok, I would be inclined to suspect a 
cracked solder joint on the front panel switches or even the IC the 
switches go into. Maybe even a tarnished, loose connector.

Are you in memory or VFO mode when doing this?
Is the DFS switch depressed? If this button is depressed while in VFO 
mode then only the memory channel indication changes not the frequency. 
This is so you can quickly store the displayed frequency. If the DFS is 
depressed while in memory mode then you can change frequency but not 
overwite it.
Does the display announce VFO A or B? 

Gary K8IZ



Harry Brown wrote:
> I recently bought an Icom IC-1271A 1296 MHz Transceiver from an estate sale.
>
> It has one problem that I've found a work-around for but I'd like a permanent fix.
>
> The VFO frequency does not move when you turn the transceiver on. However by pressing every combination of controls, I found a temporary fix. If I push the VFO/M button, frequency control under control of the VFO knob works. A friend suggested that there may be a bad battery. I have not dug into it yet.
>
> Any suggestions as to the cause of the problem and possible fixes.
>
> The transceiver did not come with manuals but I did manage to find them on the internet. So far I have not found any detailed info on the battery but possibly I just haven't read far enough.
>
> Any suggestions to a permanent fix will be appreciated.
>
> 73, Harry, W3IIT
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