I would estimate it's a PLL problem. Joe M.
Chuck Kelsey wrote: > > But would an intermittent antenna connector cause the TX light to go out as > well? I'd guess not, but maybe. In any case, when it quits, the TX light > also goes out. > > Chuck > > ----- Original Message ----- > From: "Mike WA6ILQ" <[EMAIL PROTECTED]> > To: <[email protected]> > Sent: Tuesday, October 12, 2004 9:54 PM > Subject: Re: [Repeater-Builder] Off topic - HT repair > > > > > At 06:17 PM 10/12/04, you wrote: > > > > > >>Time to ask the guys who know... > >> > >>My old faithful Icom IC-4AT is experiencing intermittent TX. Sometimes the > >>TX just cuts out, sometimes there's lots of crackling on the transmitted > >>signal. This is an old HT - the one with thumbwheel frequency select. > >>Looks > >>like Icom wants $75/hr. repair rate. I can't believe the thing is worth > >>$75. > >> > >>Can anyone suggest something more economical or is it time to say goodbye > >>to > >>my old and trusted friend? I just don't have the time, patience and > >>eyesight > >>to tackle an HT repair. > >> > >>Reply directly, please > >>[EMAIL PROTECTED] > >> > >>Chuck > >>WB2EDV > > > > Find someone with good eyes or one of those clamp-on-the-desk > > work lights that has a 4" diameter magnifying glasses that is > > mounted inside a circular florescent tube. > > > > Then closely inspect the connection between the center pin of > > the BNC and the PC board. I'll bet you that it's broken and > > making intermittent contact. Get in there with a fine soldering > > tip and remove the broken jumper wire and excess solder then > > make up a jumper using tiny braid - I use the really fine > > solder-wick. I put a blob of solder in the BNC pin and on the > > PC board and then QUICKLY tap the braid into each blob. > > The intent is to have the solder-wick braid be a flexible > > connection allowing the BNC center pin to move a little as > > you insert and remove the antenna. > > > > Mike WA6ILQ > > > > > > > > > > > > > > Yahoo! Groups Links > > > > > > > > > > > > > > > > > > > Yahoo! Groups Links > > > > Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
