You guys are aware, I hope, that the original power supply had totally gonzo
color codes... right?
They used the same colors as a computer power supply, but black was +5V (IIRC).
If you hooked a voltmeter common lead to the black power supply lead, you would
read a totally goofy set of readings when you measured the other leads.
-Chuck Harris
[email protected] wrote:
I had a similar problem with mine (from the "TAPR Group Buy").. it would appear to
power up & show a (almost) 10Mhz
output, but the serial port was dead.. After much testing it ended up the
power supply had gone bad...I was getting
the correct voltage difference between the 12v legs but each leg (+/- 12v's &
5v) were off. Once I hooked up a new
supply (built from a computer power supply) it works like a champ.
-Hrian
-----Original Message-----
From: John Green <[email protected]> Sent: Jul 22, 2009 11:02 AM To:
[email protected] Subject: [time-nuts] Tbolt
not talking
I got one of the Chinese Tbolts off eBay and when I powered it up and ran
Tboltmon, I got nothing. I checked the
com port and it is correct. I am using a USB to serial converter but I don't
believe that is what the problem is
since I have used it to program some Motorola radios that have a reputation for
being picky about their serial
connections. I will try a standard serial port but are there other things I
should look at? I did look at the
manual but didn't see anything that might help. This is my first experience
with Tbolts. I already have a Z3801 and
recall having some problems getting it to talk. Any help appreciated.
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