[chirp_users] Yaesu vx-170

[Joseph E. Rouillier III]

On Wed, Mar 31, 2021, 20:09 Joseph E. Rouillier III <
joseph.rouillier at gmail.com> wrote:

> All
>
> Thank you for taking your time to look at this issue.  I have a Yaesu
> VX-170 that I came across.   Once I got it home I did a reset on the radio
> to bring it back to factory defaults.   Next I tried reading the radio from
> Chirp, (Download from Radio).   That fails no matter what I try it will not
> download the file from the radio.
>
> The radio almost immediately shows error after pressing push to talk
> seeing TX.  and then in chirp I see Failed to communicate with radio:
> Failed to read header (0)
>
> Attached is the Debug.
>
> Also just for testing I got a VX-170 file from a friend and tried to
> download it to the radio also had errors.   As soon as I get the radio into
> RX Chip shows a error indicating Radio did not ack block at 0 the radio
> screen never shows error it continues to show RX.
>
> See attached Debug.log file.
>
> Note I tested the cable to see if it was the problem borrowed a friends
> cable as well, both cables same issue, and both cables successfully program
> an FT-60 and my friend is able to read/write his VX-170 with his cable and
> my cable and he sees the same errors as I do when trying my radio.
>
> I tested the jack with a speaker mic to make sure the jack seems to be
> working correctly, speaker mic work fine can RX and TX.
>
> Finally in desperation I removed the battery and opened the little cover
> under the battery and confirmed the radio was modded by someone removing
> the 1 0 ohm resistor, and it looks like it only had 1 resistor as the 2nd
> upper one looks to clean as if it was never there from the factors.   I
> believe the MOD is Expanded RX or TX I do not recall as I've never needed
> to perform the mod was aware of it from researching the radio itself.
>
> Thanks for any assistance.  Attaced is the debug file that should contain
> both Download and Upload from Radio failures.
>
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