[-] [ICOM] IC-775 Antenna Tuner Problem

[Jim M.]

Yes in my case the nylon shaft was apparently "snap fit" into the armature 
cylinder.  Over time I think nylon shrinks, so the "snap fit" loosened.  I 
am waiting for the epoxy to dry now, will see what happens.  Thanks,  Jim 
N4BE


----- Original Message ----- 
From: "Paul Playford" <paul at w8aef.com>
To: "ICOM Reflector" <icom at mailman.qth.net>
Sent: Saturday, July 21, 2007 9:58 PM
Subject: Re: [-] [ICOM] IC-775 Antenna Tuner Problem


>I had an IC-775 that both stepper motors were defective.
>
> I dissassembled the motors and found the plastic (nylon) bobben that 
> supported the armateur was split into two pieces.
>
> I applied expoxy for a repair.
>
> de Paul, W8AEF
>
> ZF2JL/ZF2TA  FO8DX/FO8PLA  8Q7AA  XZ0A  VU7RG
>
>
>
> ----- Original Message ----- 
> From: "Jim M." <jmiller1706 at cfl.rr.com>
> To: "ICOM Reflector" <icom at mailman.qth.net>
> Sent: Sunday, July 22, 2007 1:42 AM
> Subject: [-] [ICOM] IC-775 Antenna Tuner Problem
>
>
> This 775DSP seems to tune up fairly well on all bands except 7 and 
> sometimes 14 Mhz.  Into a dummy load, it wont find an SWR below 2 to 1. 
> If I bypass the tuner, it does read 1:1.  Also there seems to be somewhat 
> more noise from one of the stepper motors that drive the variable 
> loading/tuning capacitors...  I am wondering if a stepper motor has gone 
> bad. Does anyone have experience with failures in these tuners, ...before 
> going back to the factory, what is a common failure?
> Thanks N4BE
>
> ---- 
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