Search found 3 matches

by gatekeep
Tue Aug 08, 2017 11:09 am
Forum: EF Johnson (now part of JVCKenwood)
Topic: EFJ 5100ES Bootload Stuck
Replies: 0
Views: 10644

EFJ 5100ES Bootload Stuck

I picked up a EFJ 5100ES Model II and was told it was sold as-is as a parts radio only. The issue being that it would lockup at the EFJ boot screen. I attempted to upgrade the firmware in this radio thinking perhaps the firmware was corrupt somehow. However, after flashing the radio is now persisten...
by gatekeep
Tue Aug 08, 2017 11:03 am
Forum: EF Johnson (now part of JVCKenwood)
Topic: 5100 Series Board Swap Question
Replies: 2
Views: 8711

Re: 5100 Series Board Swap Question

RF boards can be freely swapped between v4 (X-Series) and v6 (ES-Series) radios of all types. The DSP logic and UI boards however, can't. The only compatibility here is between radios of the same series, i.e. X to X or ES to ES, you can't for instance take a v6 ES DSP board and stick it in a v4 X ra...
by gatekeep
Tue May 07, 2013 1:26 am
Forum: EF Johnson (now part of JVCKenwood)
Topic: MODEL STRING DECODE REQUESTS ONLY
Replies: 204
Views: 228682

Re: MODEL STRING DECODE REQUESTS ONLY

Can someone decode this model?

242-5127-460GL4