[aprssig] Alinco DJ-S11 micro-HT's

Chris Howard w0ep w0ep at w0ep.us
Wed Aug 7 17:56:30 CDT 2013


I remember having been into mine a couple of times.

The back cover comes off in a straightforward way.
There are half a dozen (?) little screws along the perimeter
and one or more in the battery compartment.

I think the PCB to battery junction was something kind
of hokey.  But I don't remember all that well.
Maybe just a rivet.


Chris






On 8/7/2013 4:32 PM, Robert Bruninga wrote:
> You nailed it!
> 
>> I would be suspicious of the battery terminals first.
>> Have you tried with an external power source?
> 
> No,  But then I just did and they all work!  Thanks!  We use them only on
> battery power, so I didn't even have one of those 5.5 volt tiny power
> connectors, but yes, now they work on external power.
> 
> Amazing thing is the battery contacts look good as new.  Now, even
> scraping them up a bit on the contact points still does not solve the
> problem, but I bet it is the internal contact between those contacts and
> the press-fit contact to the PCB.
> 
> I can take it from here.  Thanks!
> Bob, Wb4aPR
> 
> 
> On 8/7/2013 9:58 AM, Robert Bruninga wrote:
>> Does anyone else have problems with the old DJ-S11 Alinco micro-HT's.
> These were 350mw 2m radios radios obviously built on an FRS foundation
> which we use for low power packet demonstrations.  Over time (many years),
> they have all failed (wont turn on).  Now 3 of 4 are dead.
>>
>>
>>
>> Anyone know of a common cause?
>>
>>
>>
>> Bob, WB4aPR
>>
>>
>>
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