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Also for what its worth with a Frequency Counter at the collector of TR-45 "RF Pre-driver" I have on CH. 1 26.9650 MHz. I also have that at the collector of TR-44 " Driver".
Lol this is a tough one. Plus it sucks being intermittent and having to wait sometimes over an hour for the radio to start working again only to have it die after the first key. I know you said yours was a different problem but I'm just curious what your problem was.
Thanks for the info and suggestions Andy. Ok so trying to follow your ideas. I have the proper voltages at IC4 "Mike Amp and T/R Switch, TR-36, TR-37 both of which are RX Voltage Switch and TR-38 the TX Voltage Switch. Also TR-45 "RF Pre-driver" and TR-46 "RF Amp & Buffer seem to have the...
I understand caps are not always the solution. I had changed all the caps because one of them in the frequency counter was leaking.
The TX/RX light stays RED even when I lose the carrier.
I have the proper VCO voltage.
It doesn't seem to unlock I never lose receive and Pin 8 on MC145106 never...
Mine is not like that. With the radio upside down it looks like it used to be on the left hand side in between TR41 and IC8. There is part of a E and what looks like it used to be an A at the end. My guess is its a EPT3600-10A
Hey everyone! I'm looking for some help on a super galaxy mobile. I'll try to provide as much detail as possible.
The PCB number is worn off but I believe it is a EPT3600-xxx
When the radio is first turned on and you key the mic, it will transmit at full transmit power for a split second then...
So I found the 12 volt supply to the pre-amp relay and desoldered the pin and it works great. No more full time pre-amp. Thanks again nomdradio I appreciate it.
Hello everyone I've been reading the forums on here for a long time and finally decided to make a account and start posting. This is a great site and I look forward to being part of the community.
I just recently got this HME HM 150 Bi Linear and it didn't work. I re-caped it and changed all...
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