Terry -
Didn't mention it before, but of course also remove the top metal shield
over the rest of the card cage and reseat the cards under there as
well. There are two small screws through the rear panel into the shield
that must be removed, the rest of the screws can be loosened a couple of
turns and the shield will then slip enough to allow removal. Same card
puller or small screwdriver to release card and then reseat.
73, Garey - K4OAH
Glen Allen, VA
Drake 2-B, 4-B, C-Line & TR-4/C Service Supplement CDs
<www.k4oah.com>
[EMAIL PROTECTED] wrote:
My TR-7 has developed a frequency problem. When turned on with the
bandswitch on 160m, the frequency readout showed a frequency of
17600-17800 Khz and was jittery. After warmup of a half hour or so, it
would start working and and show 1870 Khz like it should. Now, it
doesn't show 1870 khz at all and stays in the 17600-17800 range even
after warm up. Neither the RX or TX is working.
However when I push the RCT button and go to my R-7 for frequency
control, everything is working correctly and I am on 1870 Khz and the
RX and TX is fine. When I switch to transmit the TR-7 readout shows
1870 Khz. When I go to RX then it goes back to 17600-17800 Khz. So
where should I start looking in the TR-7 to find the problem? Is this
a known problem that someone else has experienced or a new one? Any
help someone could offer would be appreciated.
Terry,
W8NJR
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