[1000mp] mp intermittent DSP and fix

Thu, 13 Jun 2002 20:33:08 -0000

Good work---I am becoming convinced the Yaesu folks are worthless.

> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]]On Behalf Of bill thomas
> Sent: Thursday, June 13, 2002 18:19
> To: [email protected]
> Subject: [1000mp] mp intermittent DSP and fix
>
>
>
>
>
> Some of us MP owners have experienced intermittent operation of the DSP.
> Sometimes the DSP works after a long warmup.  Other times it goes
> out after
> warming up.  It can often be reset my switching the power off
> then on again.
>   I traced the problem to a bad IC on the DSP-A board. I was able
> to induce
> it with "freeze" or heat from a simple hair dryer.  I also
> checked voltages
> to and from the IC.  The voltages are listed in the schematics in
> the shop
> manual. (A Yaesu tech told me there were no voltages listed to
> check.) Yaesu
> wanted $55 for the IC or $98 for the entire board.  I opted to
> replace the
> entire board as I didn't want the job of changing out a $55 25
> pin IC.  That
> and the fact that something else could have been going bad on the
> board as
> well.  The rig is working FB now.  It was much cheaper than sending it to
> and from Yaesu plus the parts and labor.  The best part is that I did not
> have to part with my rig for 8 to 10 weeks which is standard for
> non-warranty work.
>
> Bill k1xt
>
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