Hi Group,
Can anybody out there enlighten me on the power amp failures on the earlier
Kenwood TKR-750 Repeaters? I recall that Kenwood was scrambling around changing
these under warranty when the 750 was first released.
I have just removed one from service that was only pushing 15 Watts @ 7 Amps
(Set for High power).
This particular repeater has already suffered dry joints around the PA
stage which was not the cause of fault this time.
Can any Kenwood dealers shed some light on this common problem and suggest the
replacement P/A part number for around 150-160 MHz?
Interestingly we replaced the -750 with a Vertex VXR-9000 repeater and
commissioning tests revealed about 3 dB better sensitivity than the 750's for
12dB Sinad.
Regards
_________________________________________________________________
Gareth Bennett
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