[TMC] TMC MMX-2B

[JIM OLDS]

I have been using the following TMC equipment in my HAM SHACK for 20 =
yrs.  A GPT 750 TRANSMITTER AND a MMX-2B EXITER.  Has anyone got a =
SCHEMATIC and or Maintenance MANUAL for the MMX-2B. I will gladly pay =
for copying and mailing .  I have a really severe warmup up problem that =
is I don,t get any RF output for about 2 hrs after A.C. power is =
applied. I have checked the various oscillator and multiplier chains and =
it looks like it may be capacitors in the tuned ccts. changing value as =
they heat up ( Only a guess) What makes me say this is I can retune the =
ccts from a cold start and get output on individual chains but they go =
out of tune as the unit warms up. So as a stop gap measure I tuned the =
ccts after the unit had heat stabalized after 3hrs. =20
Doing trouble shooting on this unit without a schematic is a real BUMMER =
 so would appreciate any help/suggestions that you can give

Yours truly
Jim
VE1ALN

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