[ICOM] RE: Icom Digest, wanted list of mods for ic 765 ic 756 pro ll

Wed Jun 2 20:01:44 EDT 2004

Kevin, what about the PROII would you like to see improved?

73, George W5YR
Fairview, TX
w5yr at att.net
http://www.w5yr.com

----- Original Message ----- 
From: "Kevin Adam" <n9iww2 at verizon.net>
To: <icom at mailman.qth.net>
Sent: Wednesday, June 02, 2004 7:11 AM
Subject: [ICOM] RE: Icom Digest, wanted list of mods for ic 765 ic 756 pro
ll

>
> Wanted listing of mods that improve these radios IC-765 and the 756 Pro ll
> is there such a list and where can one find it I'm considering buying a
new
> rig but want it up to date like all radios when they come out there not up
> to a hams standard noise weak ness's in designs & flaws that we hams do
not
> like. So if some could help it would be very nice to have this knowledge
of
> these radios as what mods need to be done and how or who can do the mods
> that will bring them up to par with a hams standard of performance.
>
>
> Kevin Adam
> 1239 W. Till Road
> Fort Wayne, Indiana 46825-2145
>
> N9iww @ vereizon.net
>
>
> -----Original Message-----
> From: icom-bounces at mailman.qth.net [mailto:icom-bounces at mailman.qth.net]
On
> Behalf Of icom-request at mailman.qth.net
> Sent: Wednesday, June 02, 2004 1:29 AM
> To: icom at mailman.qth.net
> Subject: Icom Digest, Vol 1, Issue 48
>
> Send Icom mailing list submissions to
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>
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>
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of Icom digest..."
>
>
> Today's Topics:
>
>    1. Re: Icom CI-V serial to usb question (David Ashworth)
>    2. good older Icom??? (Renee)
>    3. Re: good older Icom??? (John Geiger)
>    4. RE: good older Icom??? (NA4FM (Buck))
>    5. RE: good older Icom??? (Dave Bernstein)
>    6. RE: good older Icom??? (Adam Farson)
>    7. RE: good older Icom??? (Adam Farson)
>    8. RE: good older Icom??? (John Geiger)
>    9. RE: good older Icom??? (Adam Farson)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Wed, 2 Jun 2004 04:34:56 -0000
> From: "David Ashworth" <fathom at Access4Less.net>
> Subject: Re: [ICOM] Icom CI-V serial to usb question
> To: "ICOM Reflector" <icom at mailman.qth.net>
> Message-ID: <000701c4485a$f581d680$0301a8c0 at herman>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Thank you very much Dave.  Been trying to figure this thing out for a
while.
> I will follow your steps and let you know what I find.  Thank you again,
> Dave.
>
> ----- Original Message ----- 
> From: "Dave Bernstein" <aa6yq at ambersoft.com>
> To: "'ICOM Reflector'" <icom at mailman.qth.net>
> Sent: Wednesday, June 02, 2004 04:10
> Subject: RE: [ICOM] Icom CI-V serial to usb question
>
>
> > The URL is http://www.qsl.net/g3vgr/civ.html . This circuit derives its
> > power from the serial port's modem control signals, specifically pin 4
> > (DTR). The first thing to check is that there's +12 VDC (or thereabouts)
> > on this pin.
> >
> > If the USB converter isn't supplying enough power, you can try using pin
> > 7 in addition to pin 4 (making sure your software asserts the signal
> > RTS). If that's not enough, you can reconfigure the interface to accept
> > power from an external source, though that's not very convenient in a
> > portable setup. I've found Belkin's USB-to-serial converters to have no
> > difficulty in powering my CI-V interface through the modem control
> > signals.
> >
> > I've been using KB7SG's interface design since its 7/92 appearance in
> > QST; there's a schematic http://www.qsl.net/civ_commander/interface.jpg
> > . I've built 3 or 4 of them over the years for use  with a 706, 735,
> > 756, 775, and 781 with no problems.
> >
> >     73,
> >
> >          Dave, AA6YQ
> >
> >
> >
> > -----Original Message-----
> > From: icom-bounces at mailman.qth.net [mailto:icom-bounces at mailman.qth.net]
> > On Behalf Of David Ashworth
> > Sent: Tuesday, June 01, 2004 23:16
> > To: ICOM Reflector
> > Subject: [ICOM] Icom CI-V serial to usb question
> >
> >
> > Hi fellows, I noticed the reflector has lots of talk about the CI-V
> > interface tonight.  I have a question very close to what a couple of
> > people were getting into.  Perhaps you might be able to help me.  I
> > built a home made interface with two 2N2222A transistors
> > http://wwwg3vgr.co.uk/civ.htm (the site seems to be down from my end
> > right now) and it works fine with a 706MKIIG and a HP laptop using com1.
> > I get the band/freq info from the Icom on both the TR Log and Writelog
> > programs that I use.  I have gotten interested in RTTY and now use com1
> > on the laptop with a rigblaster to key the radio for RTTY.  So, here is
> > my question:  I have been trying to ADD the freq/band info from the Icom
> > to the programs using the above interface with a USB to serial converter
> > cable (IOGear GUC232A) and so far, no luck. One end of the home made
> > adapter is plugged into the 1/8" jack on the Icom, the other end is a  9
> > pin female rs-232. The serial to USB cable is then plugged into the 9
> > pin female rs-232 and terminates into an USB connector.  The USB end is
> > plugged into the USB jack in the laptop.  I put a breakout box on it and
> > can see all of the same signals that I see when it works plugged into
> > com1.  I have tested the USB to serial cable with a mini-tower PC and it
> > works.  I am beginning to think that it might be something with the
> > laptop not putting out enough to drive the converter cable.  Would
> > anyone have any
> > ideas and maybe point me to another interface that I might build?
> > Thanks
> > so much for your ideas and help, best regards, Dave, NC6P.
> >
> >
> > ----
> > Your Moderator: Dick Flanagan K7VC, icom-owner at mailman.qth.net Icom
> > Users Net: Sundays, 1700Z, 14.316 MHz Icom FAQ: http://www.qsl.net/icom/
> >
> > ----
> > Your Moderator: Dick Flanagan K7VC, icom-owner at mailman.qth.net
> > Icom Users Net: Sundays, 1700Z, 14.316 MHz
> > Icom FAQ: http://www.qsl.net/icom/
>
>
>
>
> ------------------------------
>
> Message: 2
> Date: Tue, 01 Jun 2004 23:38:30 -0500
> From: Renee <Nee627 at bellsouth.net>
> Subject: [ICOM] good older Icom???
> To: ICOM Reflector <icom at mailman.qth.net>
> Message-ID: <40BD59C6.9020104 at bellsouth.net>
> Content-Type: text/plain; charset=us-ascii; format=flowed
>
>
> I am keeping an eye out for an HF radio. What would be a good one to
> get? Like the most bang for the buck without spending an arm an leg on
> one? I know the Icom 756Pro, 775, 781, 746Pro and others are good but a
> little too much $$. What would an older good radio be? Something good
> for DXing and contesting.
> Any info would be greatly appreciated!
> 73,
> Renee NZ9T
>
>
>
> ------------------------------
>
> Message: 3
> Date: Tue, 1 Jun 2004 21:41:53 -0700 (PDT)
> From: John Geiger <johngeig at yahoo.com>
> Subject: Re: [ICOM] good older Icom???
> To: ICOM Reflector <icom at mailman.qth.net>
> Message-ID: <20040602044153.23715.qmail at web40712.mail.yahoo.com>
> Content-Type: text/plain; charset=us-ascii
>
> The 740 is pretty good.  Nice quiet receiver. Seen
> some good deals on them recently also.
>
> 73s John NE0P
>
>
> --- Renee <Nee627 at bellsouth.net> wrote:
> >
> > I am keeping an eye out for an HF radio. What would
> > be a good one to
> > get? Like the most bang for the buck without
> > spending an arm an leg on
> > one? I know the Icom 756Pro, 775, 781, 746Pro and
> > others are good but a
> > little too much $$. What would an older good radio
> > be? Something good
> > for DXing and contesting.
> > Any info would be greatly appreciated!
> > 73,
> > Renee NZ9T
> >
> > ----
> > Your Moderator: Dick Flanagan K7VC,
> > icom-owner at mailman.qth.net
> > Icom Users Net: Sundays, 1700Z, 14.316 MHz
> > Icom FAQ: http://www.qsl.net/icom/
>
>
>
>
>
> __________________________________
> Do you Yahoo!?
> Friends.  Fun.  Try the all-new Yahoo! Messenger.
> http://messenger.yahoo.com/
>
>
> ------------------------------
>
> Message: 4
> Date: Wed, 2 Jun 2004 01:00:39 -0400
> From: "NA4FM (Buck)" <na4fm-list at towncorp.net>
> Subject: RE: [ICOM] good older Icom???
> To: "'ICOM Reflector'" <icom at mailman.qth.net>
> Message-ID: <000201c4485e$90a86fe0$1108a8c0 at HEDGEHOG>
> Content-Type: text/plain; charset="us-ascii"
>
> I like any of the icoms from the 730 series... 730, 735, etc.  They sell
> on eBay for about $400.
>
> If you push it just a little more, for about $500 on ebay, the 706 MkII
> are available. The original 706 are a bit less.  It all depends on what
> you can handle and want.
>
> Buck
>
>
> > -----Original Message-----
> > From: John Geiger [mailto:johngeig at yahoo.com]
> > Sent: Wednesday, June 02, 2004 12:42 AM
> > To: ICOM Reflector
> > Subject: Re: [ICOM] good older Icom???
> >
> >
> > The 740 is pretty good.  Nice quiet receiver. Seen
> > some good deals on them recently also.
> >
> > 73s John NE0P
> >
> >
> > --- Renee <Nee627 at bellsouth.net> wrote:
> > >
> > > I am keeping an eye out for an HF radio. What would
> > > be a good one to
> > > get? Like the most bang for the buck without
> > > spending an arm an leg on
> > > one? I know the Icom 756Pro, 775, 781, 746Pro and
> > > others are good but a
> > > little too much $$. What would an older good radio
> > > be? Something good
> > > for DXing and contesting.
> > > Any info would be greatly appreciated!
> > > 73,
> > > Renee NZ9T
> > >
> > > ----
> > > Your Moderator: Dick Flanagan K7VC, icom-owner at mailman.qth.net
> > > Icom Users Net: Sundays, 1700Z, 14.316 MHz
> > > Icom FAQ: http://www.qsl.net/icom/
> >
> >
> >
> >
> >
> > __________________________________
> > Do you Yahoo!?
> > Friends.  Fun.  Try the all-new Yahoo! Messenger.
> http://messenger.yahoo.com/
> ----
> Your Moderator: Dick Flanagan K7VC, icom-owner at mailman.qth.net Icom
> Users Net: Sundays, 1700Z, 14.316 MHz Icom FAQ: http://www.qsl.net/icom/
>
>
>
>
>
>
> ------------------------------
>
> Message: 5
> Date: Wed, 2 Jun 2004 01:06:15 -0400
> From: "Dave Bernstein" <aa6yq at ambersoft.com>
> Subject: RE: [ICOM] good older Icom???
> To: "'ICOM Reflector'" <icom at mailman.qth.net>
> Message-ID: <005201c4485f$55542f50$6501a8c0 at natomaradio>
> Content-Type: text/plain; charset="us-ascii"
>
> The 756 lacks its successor's DSP, but its dual receive and LCD spectrum
> display can be handy in a pileup. You also get 6m and a built-in
> auto-tuner.
>
> http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=40066&item=570243
> 1348&rd=1 (not mine!)
>
>     73,
>
>         Dave, AA6YQ
>
>
>
> -----Original Message-----
> From: icom-bounces at mailman.qth.net [mailto:icom-bounces at mailman.qth.net]
> On Behalf Of Renee
> Sent: Wednesday, June 02, 2004 00:39
> To: ICOM Reflector
> Subject: [ICOM] good older Icom???
>
>
>
> I am keeping an eye out for an HF radio. What would be a good one to
> get? Like the most bang for the buck without spending an arm an leg on
> one? I know the Icom 756Pro, 775, 781, 746Pro and others are good but a
> little too much $$. What would an older good radio be? Something good
> for DXing and contesting.
> Any info would be greatly appreciated!
> 73,
> Renee NZ9T
>
> ----
> Your Moderator: Dick Flanagan K7VC, icom-owner at mailman.qth.net Icom
> Users Net: Sundays, 1700Z, 14.316 MHz Icom FAQ: http://www.qsl.net/icom/
>
>
>
> ------------------------------
>
> Message: 6
> Date: Tue, 01 Jun 2004 22:08:21 -0700
> From: Adam Farson <farson at shaw.ca>
> Subject: RE: [ICOM] good older Icom???
> To: ICOM Reflector <icom at mailman.qth.net>
> Message-ID: <COEHICILCFODCAILDEBKKEKPEPAA.farson at shaw.ca>
> Content-Type: text/plain; charset=US-ASCII
>
> Hi Renee,
>
> The following page on my site may be helpful:
>
> http://www.qsl.net/ab4oj/icom/oldicom.html
>
> I agree with John's suggestion of the IC-740. The IC-745 and IC-751A are
> also worth considering. The IC-765, which is a self-contained radio with
> built-in mains PSU and autotuner, is an excellent choice (with the PBT
Mod).
>
> Cheers for now, 73,
> Adam VA7OJ/AB4OJ
>
>
> -----Original Message-----
> From: icom-bounces at mailman.qth.net
> [mailto:icom-bounces at mailman.qth.net]On Behalf Of Renee
> Sent: Tuesday, June 01, 2004 21:39
> To: ICOM Reflector
> Subject: [ICOM] good older Icom???
>
>
>
> I am keeping an eye out for an HF radio. What would be a good one to
> get? Like the most bang for the buck without spending an arm an leg on
> one? I know the Icom 756Pro, 775, 781, 746Pro and others are good but a
> little too much $$. What would an older good radio be? Something good
> for DXing and contesting.
> Any info would be greatly appreciated!
> 73,
> Renee NZ9T
>
> ----
> Your Moderator: Dick Flanagan K7VC, icom-owner at mailman.qth.net
> Icom Users Net: Sundays, 1700Z, 14.316 MHz
> Icom FAQ: http://www.qsl.net/icom/
>
>
>
>
> ------------------------------
>
> Message: 7
> Date: Tue, 01 Jun 2004 22:27:51 -0700
> From: Adam Farson <farson at shaw.ca>
> Subject: RE: [ICOM] good older Icom???
> To: ICOM Reflector <icom at mailman.qth.net>
> Message-ID: <COEHICILCFODCAILDEBKKELAEPAA.farson at shaw.ca>
> Content-Type: text/plain; charset=US-ASCII
>
> Hi Dave,
>
> Don't mean to be argumentative - but the IC-756 does incorporate a DSP
unit
> in the final IF. The functionality of the IC-756's DSP is less than that
of
> the Pro series; even so, it performs all modulation (except FM) and most
> demodulation tasks (except AM, FM). In receive, the DSP does noise
reduction
> and auto-notch filtering; in transmit, it performs audio equalisation.
>
> The IC-756 uses crystal filters (FL-80 and FL-96 are factory-fitted). It
> accepts one pair of accessory filters (9 MHz, 455 kHz), and offers Twin
> Passband Tuning and Dual Watch. At around $800 to $1000, it is a lot of
> radio for the money.
>
> Cheers for now, 73,
> Adam VA7OJ/AB4OJ
>
>
> -----Original Message-----
> From: icom-bounces at mailman.qth.net
> [mailto:icom-bounces at mailman.qth.net]On Behalf Of Dave Bernstein
> Sent: Tuesday, June 01, 2004 22:06
> To: 'ICOM Reflector'
> Subject: RE: [ICOM] good older Icom???
>
>
> The 756 lacks its successor's DSP, but its dual receive and LCD spectrum
> display can be handy in a pileup. You also get 6m and a built-in
> auto-tuner.
>
> http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=40066&item=570243
> 1348&rd=1 (not mine!)
>
>     73,
>
>         Dave, AA6YQ
>
>
>
> -----Original Message-----
> From: icom-bounces at mailman.qth.net [mailto:icom-bounces at mailman.qth.net]
> On Behalf Of Renee
> Sent: Wednesday, June 02, 2004 00:39
> To: ICOM Reflector
> Subject: [ICOM] good older Icom???
>
>
>
> I am keeping an eye out for an HF radio. What would be a good one to
> get? Like the most bang for the buck without spending an arm an leg on
> one? I know the Icom 756Pro, 775, 781, 746Pro and others are good but a
> little too much $$. What would an older good radio be? Something good
> for DXing and contesting.
> Any info would be greatly appreciated!
> 73,
> Renee NZ9T
>
> ----
> Your Moderator: Dick Flanagan K7VC, icom-owner at mailman.qth.net Icom
> Users Net: Sundays, 1700Z, 14.316 MHz Icom FAQ: http://www.qsl.net/icom/
>
> ----
> Your Moderator: Dick Flanagan K7VC, icom-owner at mailman.qth.net
> Icom Users Net: Sundays, 1700Z, 14.316 MHz
> Icom FAQ: http://www.qsl.net/icom/
>
>
>
>
> ------------------------------
>
> Message: 8
> Date: Tue, 1 Jun 2004 22:45:58 -0700 (PDT)
> From: John Geiger <johngeig at yahoo.com>
> Subject: RE: [ICOM] good older Icom???
> To: ICOM Reflector <icom at mailman.qth.net>
> Message-ID: <20040602054558.22631.qmail at web40701.mail.yahoo.com>
> Content-Type: text/plain; charset=us-ascii
>
> Remember in some models like the 745, 751, 761 and 765
> the plastic trimmer caps will eventually need to be
> replaced.  You might want to check to see if that has
> been done.  And some of those models also have a RAM
> board where the rig will go completely dead when the
> Lithium battery dies.  This is not a problem in the
> 761, though.
>
> Along these lines, does the 735, 725, and 728 series
> suffer the same plastic caps problem?
>
> 73s John NE0P
>
> --- Adam Farson <farson at shaw.ca> wrote:
> > Hi Dave,
> >
> > Don't mean to be argumentative - but the IC-756 does
> > incorporate a DSP unit
> > in the final IF. The functionality of the IC-756's
> > DSP is less than that of
> > the Pro series; even so, it performs all modulation
> > (except FM) and most
> > demodulation tasks (except AM, FM). In receive, the
> > DSP does noise reduction
> > and auto-notch filtering; in transmit, it performs
> > audio equalisation.
> >
> > The IC-756 uses crystal filters (FL-80 and FL-96 are
> > factory-fitted). It
> > accepts one pair of accessory filters (9 MHz, 455
> > kHz), and offers Twin
> > Passband Tuning and Dual Watch. At around $800 to
> > $1000, it is a lot of
> > radio for the money.
> >
> > Cheers for now, 73,
> > Adam VA7OJ/AB4OJ
> >
> >
> > -----Original Message-----
> > From: icom-bounces at mailman.qth.net
> > [mailto:icom-bounces at mailman.qth.net]On Behalf Of
> > Dave Bernstein
> > Sent: Tuesday, June 01, 2004 22:06
> > To: 'ICOM Reflector'
> > Subject: RE: [ICOM] good older Icom???
> >
> >
> > The 756 lacks its successor's DSP, but its dual
> > receive and LCD spectrum
> > display can be handy in a pileup. You also get 6m
> > and a built-in
> > auto-tuner.
> >
> >
> http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=40066&item=570243
> > 1348&rd=1 (not mine!)
> >
> >     73,
> >
> >         Dave, AA6YQ
> >
> >
> >
> > -----Original Message-----
> > From: icom-bounces at mailman.qth.net
> > [mailto:icom-bounces at mailman.qth.net]
> > On Behalf Of Renee
> > Sent: Wednesday, June 02, 2004 00:39
> > To: ICOM Reflector
> > Subject: [ICOM] good older Icom???
> >
> >
> >
> > I am keeping an eye out for an HF radio. What would
> > be a good one to
> > get? Like the most bang for the buck without
> > spending an arm an leg on
> > one? I know the Icom 756Pro, 775, 781, 746Pro and
> > others are good but a
> > little too much $$. What would an older good radio
> > be? Something good
> > for DXing and contesting.
> > Any info would be greatly appreciated!
> > 73,
> > Renee NZ9T
> >
> > ----
> > Your Moderator: Dick Flanagan K7VC,
> > icom-owner at mailman.qth.net Icom
> > Users Net: Sundays, 1700Z, 14.316 MHz Icom FAQ:
> > http://www.qsl.net/icom/
> >
> > ----
> > Your Moderator: Dick Flanagan K7VC,
> > icom-owner at mailman.qth.net
> > Icom Users Net: Sundays, 1700Z, 14.316 MHz
> > Icom FAQ: http://www.qsl.net/icom/
> >
> >
> > ----
> > Your Moderator: Dick Flanagan K7VC,
> > icom-owner at mailman.qth.net
> > Icom Users Net: Sundays, 1700Z, 14.316 MHz
> > Icom FAQ: http://www.qsl.net/icom/
>
>
>
>
>
> __________________________________
> Do you Yahoo!?
> Friends.  Fun.  Try the all-new Yahoo! Messenger.
> http://messenger.yahoo.com/
>
>
> ------------------------------
>
> Message: 9
> Date: Tue, 01 Jun 2004 23:03:08 -0700
> From: Adam Farson <farson at shaw.ca>
> Subject: RE: [ICOM] good older Icom???
> To: ICOM Reflector <icom at mailman.qth.net>
> Message-ID: <COEHICILCFODCAILDEBKAELCEPAA.farson at shaw.ca>
> Content-Type: text/plain; charset=US-ASCII
>
> Hi John,
>
> Yes, the 735, 745, 751, 751A, 761 and early 765's suffered from the
infamous
> plastic VCO trimmer problem. I had a later-series 765 (S/N 29XX) which had
> ceramic trimmers. Had to replace the trimmers in an IC-751A - a 4-hour
job.
>
> My understanding is that the 745, 751, 751A and 761 used the EX-314 RAM
> board with lithium-battery backup. In the IC-765, the radio and ATU
firmware
> are in ROM.
>
> As I recall, the 725, 726, 728, 729, 736, 737 and 738 used ceramic VCO
> trimmers. I have owned a 725, a 728 and a 729, and none of these radios
ever
> showed signs of failing VCO trimmers.
>
> Cheers for now, 73,
> Adam VA7OJ/AB4OJ
>
>
> -----Original Message-----
> From: icom-bounces at mailman.qth.net
> [mailto:icom-bounces at mailman.qth.net]On Behalf Of John Geiger
> Sent: Tuesday, June 01, 2004 22:46
> To: ICOM Reflector
> Subject: RE: [ICOM] good older Icom???
>
>
> Remember in some models like the 745, 751, 761 and 765
> the plastic trimmer caps will eventually need to be
> replaced.  You might want to check to see if that has
> been done.  And some of those models also have a RAM
> board where the rig will go completely dead when the
> Lithium battery dies.  This is not a problem in the
> 761, though.
>
> Along these lines, does the 735, 725, and 728 series
> suffer the same plastic caps problem?
>
> 73s John NE0P
>
>
>
>
>
> ------------------------------
>
> _______________________________________________
> Icom mailing list
> Icom at mailman.qth.net
> http://mailman.qth.net/mailman/listinfo/icom
>
>
> End of Icom Digest, Vol 1, Issue 48
> ***********************************
>
> ----
> Your Moderator: Dick Flanagan K7VC, icom-owner at mailman.qth.net
> Icom Users Net: Sundays, 1700Z, 14.316 MHz
> Icom FAQ: http://www.qsl.net/icom/