[Kenwood] Re: TM 742

[paul]

sent my ts-790 to cliff... superior work.. excellent turn around time, and
always answers my questions.  73  paul w8jn
----- Original Message -----
From: "John Luthy" <jluthy@worldnet.att.net>
To: "Kenwood Mail List" <kenwood@mailman.qth.net>
Sent: Monday, December 30, 2002 11:10 PM
Subject: Re: [Kenwood] Re: TM 742


> And don't forget to refer your friends!!!
>
>  My friend had sent his two AT-50's in to the local kenwwod repair
> center and after repeated attempts at repair they were returned broken
> and with a good sized bill for their time!!
>
> He was about to toss the units but I convinced him to give Cliff a
> try. ... the bottom line... both units repaired in record time and
> still working great!!
>
> John
> ----- Original Message -----
> From: "Jerry Kincade" <w5kp@direcway.com>
> To: "Kenwood Mail List" <kenwood@mailman.qth.net>
> Sent: Tuesday, December 31, 2002 1:36 AM
> Subject: Re: [Kenwood] Re: TM 742
>
>
> > Kenwoodites, is Clif the MAN or what?  How many shops that repair
> these
> > things for a living would do this for an overseas ham for nothing?
> How do we
> > repay Clif for all the help he's given all of us over the years?
> I'll tell
> > you how: Forget those other guys, send your busted Kenwoods to
> AAVid!
> > Jerry W5KP
> >
> > ----- Original Message -----
> > From: "Clif Holland" <clif@avvid.com>
> > To: "carl" <cdr@smce.com>
> > Cc: "Kenwood Mail List" <kenwood@mailman.qth.net>
> > Sent: Monday, December 30, 2002 3:25 PM
> > Subject: [Kenwood] Re: TM 742
> >
> >
> > > Ok, I will talk you thru this.
> > >
> > > 1. Remove the covers on the radio.
> > > 2. Remove the control head and the cover it mounts to.
> > > 3. Remove the screws on each side and remove all the band units.
> > > 4. This leaves the 2 control boards and the front chassis.
> > > 5. Unscrew the control boards from the chassis and remove them
> together.
> > > 6. Look at the boards as they were in the radio and you will see a
> cluster
> > > of
> > >    19 electrolytic caps on the vertical board.
> > > 7. Under the right side of the caps are a large surface mount
> resistor and
> > a
> > >     large surface mount transistor.
> > > 8. Resolder both ends of the resistor and then the transistor.
> Make sure
> > the
> > >     solder flows under the tab of the transistor.
> > > 9. Reassemble.
> > >
> > > Usually what happens is the resistor overheats and loses contact.
> This
> > > resistor/transistor pair provide 13.8v to the 2(3) modules after
> the radio
> > > is turned on. When they don't work the control unit doesn't know
> it and
> > > shows frequency and indicates TX but no rx or TX actually occurs.
> > >
> > > Clif Holland,  KA5IPF
> > > AVVid
> > > Authorized Kenwood and Icom Service
> > > www.avvid.com
> > > 1-800-214-5779
> > > 972-554-6801
> > > ----- Original Message -----
> > > From: "carl" <cdr@smce.com>
> > > To: "'Clif Holland'" <clif@avvid.com>; <cdr@pandora.be>
> > > Sent: Monday, December 30, 2002 1:01 PM
> > > Subject: RE: TM 742
> > >
> > >
> > > > no, only the schematic origin in the box.
> > > > any sugestion what the problem kould be??
> > > > have you them elektronicley??
> > > >
> > > >
> > > > Carl on1abh
> > > >
> > > >
> > > >
> > > > -----Oorspronkelijk bericht-----
> > > > Van: Clif Holland [mailto:clif@avvid.com]
> > > > Verzonden: maandag 30 december 2002 19:48
> > > > Aan: cdr@pandora.be
> > > > Onderwerp: TM 742
> > > >
> > > >
> > > > Do you have a service manual to help you find parts on the
> board???
> > > >
> > > > Clif Holland,  KA5IPF
> > > > AVVid
> > > > Authorized Kenwood and Icom Service
> > > > www.avvid.com
> > > > 1-800-214-5779
> > > > 972-554-6801
> > > >
> >
> >
> > - - -
> >
> > Your moderator for this list is:
> > Larry Wilson KE1HZ kenwood-owner@mailman.qth.net
> >
> > _______________________________________________
> > Kenwood mailing list
> > Kenwood@mailman.qth.net
> > http://mailman.qth.net/mailman/listinfo/kenwood
>
> - - -
>
> Your moderator for this list is:
> Larry Wilson KE1HZ kenwood-owner@mailman.qth.net
>
> _______________________________________________
> Kenwood mailing list
> Kenwood@mailman.qth.net
> http://mailman.qth.net/mailman/listinfo/kenwood