[PCR-1000] PCR Mod

[Harry Flaxman]

On 15-Jun-2002, "A10382" <a10382@snet.net> wrote:
Frank,

The only way to tell, to me right now, is to perform the mod and see it
works.  I just bought a Yaesu FRG100 with Keypad and filter for a good
price, so I might be fiddling with that reciever for awhile.  I need a
Watson WAF notch filter for some of my VHF/UHF frequencies on the PCR-1000
as I get alot of cross over between the frequency suspected.  I will
eventually have time to do the mod and report here whether it works on my
1000.  I think I have a serial number in the 8xx's.  I'll have to give it
another look.  I remember looking at it when I posted my serial number here
in response to the 'poll' but now have a pre-amp stacked above the 1000 and
it's not so easy to get at!

Thanks!!!

Harry


> Hi Harry,
>
> If you're talking about unblocking the 'cellular' freqs, then:
>
> I have another rig (one of those 'professional receivers') that was built
> before the cell block regs were enacted.  Although the receiver itself
> doesn't have A number of years ago it was 'interesting' to listen to the
> 800mHz cell bands.  Today, however, I'm not sure there are enough analog
> users on 800mHz for the band to be 'interesting' anymore.
>
> You can also tune away from the cell bands by the amount of the IF.  The
> first harmonic of the IF may be strong enough to tune.
>
> From some previous postings to this list, it appears that some users who
> have done the cell block mods have found that ICOM changed the method of
> blocking.  The pads and '0 ohm resistors (jumpers) are there, but the
> block
> may now be done in microprocessor code.  If it is in the firmware, I don't
> know whether any modded code is available to overcome this.  Icom did use
> 'checksumed' firmware in other rigs, and just patching the code may not be
> doable.
>
> Coming from a semi shop, you may have a better handle on this.
>
> 73
> Frank