Search found 3 matches

by HB9FND
09 Feb 2013 04:09
Forum: Juma Discussion
Topic: TX500 tx output, Missing signal Pin 76
Replies: 2
Views: 6654

Re: TX500 tx output, Missing signal Pin 76

Hej, Problem solved. I cooked the processor, after the replacment parts received the trx is working fine. Thanks for the good support.

regards HB9FND
by HB9FND
24 Jan 2013 08:12
Forum: Juma Discussion
Topic: TX500 tx output, Missing signal Pin 76
Replies: 2
Views: 6654

TX500 tx output, Missing signal Pin 76

HF Works with test connection after D5 to ground.
As found out there is no signal comming from Processor PIN 76 14-18m. No shorts could be discovered from PIN 76 to Ground, checked with a ohm meter.
What are the terms that pin 76 generating the necessary signal?? Thank you!

regards
HB9FND
Alex :P
by HB9FND
19 Jan 2013 11:32
Forum: Juma Discussion
Topic: JUMA TRX500 half alive, no tx output
Replies: 1
Views: 5306

JUMA TRX500 half alive, no tx output

Electronic can be cruel sometimes... :x Well, after finding a hiden solderspot (which should not be a solderspot and of course hidden on a stupid place "behind two pins of the processor"my juma trx was starting. So far the trx seems to work abit, but there is no TX output. Following things are ...