[Fourlanders] Rotator Troubleshooting

Rogers, Ron RR124640 at ncr.com
Mon Aug 11 10:43:56 EDT 2008


Kos,
I just sent the Yaesu 450A manual and schematic in another e-mail to you
in case you did not have the manual version that included the schematic.

Yes, 24 VAC should be delivered to pins 6 and 4, or pins 6 and 5
(depends on which direction you are turning rotor) on the rear of the
control box.


Ron 
WW8RR

-----Original Message-----
From: fourlanders-bounces at contesting.com
[mailto:fourlanders-bounces at contesting.com] On Behalf Of S Kosmetatos
Sent: Sunday, August 10, 2008 5:37 PM
To: fourlanders at contesting.com
Subject: [Fourlanders] Rotator Troubleshooting

I bought a Yaesu G-450 rotator about a month ago and noticed that the
pins in the connector on the back of the control box sometimes didn't
make good contact in the socket, and I would sometimes have to push them
in a bit to get the rotator to work. It's been a couple of weeks since
I've used it, and now I can't get the rotator to turn at all. The pins
seem to be making good contact. The other bizarre thing is that the
overlap LED comes on - sometimes.

I had a pretty severe lightning hit in the neighborhood and lost two
phones and a fax machine last week; I don't know if the rotator or
control box was affected. The coax to the antennas were disconnected,
but the rotator control cable was plugged in.

My question is: how do I test to make sure I have good power coming out
of the control box before I go through the trouble of taking down the
rotator?
The Yaesu manual is worthless - I need to know what voltage I have on
which pins when operating the rotator. Anyone have this information? I
assume the unit uses 24 VAC, if it's like others I've worked on, but I'd
like an opinion if anyone has one.

Thanks,

Kos

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