[HFbeacons] Re: HTX-100 Problem
- From: "W. Keith Hibbert" <wkhibbert@xxxxxxxxxxx>
- To: hfbeacons@xxxxxxxxxxxxx
- Date: Sun, 23 Feb 2014 11:52:15 -0500
Hi Howie, Keith here in Amherst.
Great price on the HTX-100, I never found one under $40. Now, as for
the flashing display...
Back when you could expect to find someone behind the counter at Radio
Shack that ACTUALLY knew something about their line (or was a licensed
ham), the flashing display issue came up. KF2JC was at the Brockport
store and he told us at a club meeting that static could make the
controller board go weird. Resetting it would clear the problem up.
I had it happen to the mobile a couple of times over the years, the
contacts for the CPU reset were behind the main tuning knob if I
remember right. It tended to be a dry Winter air problem for me. The
rig was on the hump near the heater fan for the floor in the truck.
I also ran on on NQ2RP for 5 years, different rig, in the shack on a
UPS, no problems there...
73, Keith, WB2VUO
On 02/22/2014 21:37, Howie AC4DJ wrote:
Good evening to all,
I just picked up an HTX-100 for 5.00 at a yard sale. Radio powers up but
keeps flashing the frequency. None of the
front buttons wor including the requency dial. However, if I set the
transmit switch on the front panel to TX it puts out about 27 watts on
CW so
I know the finals are ok without a keyer hooked up.. With the flashing
display it will not transmit in any mode. All switches are set to normal
so not a problem
having the switches in the wrong position which can set a blinking
display if power is lost.
My current beacon is using the same HTX-100 for the past 15 years and
still going without any problems.. I do have another working 100 for
back-up.
I have read that this radio has had some bad caps, but which one ? I
looked over everything with a magnifying glass after pulling
the front cover and cannot see any bad caps by visual inspection.(
swollen or leaking )
This seems to be a common problem with some of these radios and doing a
Google search and never comes up with a solution.
Has anyone ever encountered this problem and what was the fix ? For 5.00
I could not go wrong as I know the transmit
works so have replacement final parts if no solution, as the output
transistor has been out of production for years now.
Thanks Howie AC4DJ 28.273.2
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