Hi again,
some news:
I am able to trigger the condition manually when hitting rb5 with gnd or
when hitting the base of q7 with 12v (via resistor of course).
But still:
Removing J8 results in relay clicking and the light going dark on my XV.
When I am reading the circiut diagram correctly then the test procedure is
not capable of triggering the condition because:
- J8 action results in power loss on k3 which switches the 12V line
- without power on 12V line the relay K8 can not pull the contact
- so J3 is not connected to the ODC
Where is my mistake? How can I test the circuit?
BTW: I set up the XV for single wire connection and a drive of max. 5W
Kind regards!
Gerhard Schwanz
DH3FAW
mailto:
[hidden email]
http://www.gs-personal.de----- Original Message -----
From: "Gerhard Schwanz" <
[hidden email]>
To: <
[hidden email]>
Sent: Wednesday, June 08, 2005 12:04 AM
Subject: XV144 Overload test fails
> Hi list!
>
> I thought I could do the last steps of my XV144. Heard my first 2m beacon
> today! And I have 20W output power.
>
> Everything is fine except: The overload test fails. It fails in a way that
> absolutely nothing is happening while performing the test.
>
> When removing the jumper J8 the XV144 sign goes dark. Then I set all
> transverter number switches to their off positions, removed the control
> cable and keyed the hf rig, a k2. No leds blinking.
>
> By the way: I use 5W max to drive the XV144. So the 1milliwatt rule does
not
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