Re: SB3 appears dead

younso wrote: 
> Hi, it is OK, I did not see you as sarcastic :). But I do not see the
> difference in ordering from Amazon SE compared to trying a power
> adapator from a local shop similar to say Radio Shack especially since
> they went to the trouble of measuring the volts on both adaptors first.

Ah, now I understand! I hadn't realized the shop tried a new PS. I was
under the impression that the guy "tried one that he had laying around"
I guess I made that part up in my head :)

Again, be careful of replying on a voltage measurement. That voltage
needs to be maintained when current is drawn, That is where PS's can
look ok, but fail once the device starts operating (like booting up). I
bought a used radio that would turn on, boot up, but when it got to the
part where the audio amp turns on (that soft click), it would turn off,
start to reboot, fail, repeat. It was the PS.

Some of these adaptors, and I think the one that @w3w recommended have
various plug size and polarity adaptors. I made a rig out of these so
that I can measure current as well as voltage without cutting the
adaptor wire, so - Power Supply -> modified adaptor -> radio. The
modified adaptor is female barrel -> wires exposed (or use terminal
blocks)-> male barrel. 

Yes, it seems like overkill, but I was interested in the current draw of
the radio in various states (off, soft off, on, playing).

Last option is a new radio :). Here in the US there are a flood of these
used on ebay for about $50USD. I think they were $299 new, and I love
them, very versitile and good sound. Maybe on your side of the big pond
as well.

Jim


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