[ARC5] [ARC-5radio] I-84B Receiver Test Set
WA5CAB at cs.com
WA5CAB at cs.com
Thu Oct 27 22:13:37 EDT 2011
Personally, I think that I would make up the cable as shown, but without
all of the metal hardware around it. In other words, an 8-conductor cable
with a PL-152 or 152-A on one end and an 8-pin plug to mate with the connector
on the rear of the receiver on the other. Assembly time the same as that to
make up a dual PL-152-(*) cable. If you use a modified rack, you can't get
at anything much on the bottom of the receiver.
In a message dated 10/27/2011 19:07:47 PM Central Daylight Time,
aaf-radio-1 at aafradio.org writes:
> On 10/27/2011 12:39 AM, T. Comstock wrote:
> >I would have liked to connect the test set to the rack and not have to
> build a custom connector for the back of the radio, but I see that data will
> be lost for a couple of switch positions.
>
> Yeh, unfortunately that is true. You will lose screen voltage and
> dynamotor B+ output measurements unless you are able to tap into pins 5
> and 7 on the rear of the receiver.
>
> It's a bit kludgey, but you can connect a pair of wires to pins 5 and 7
> of the rack receiver connector (unused) and lead them out through one of
> the rear phone plug openings to a two pin connector. Then make a "Y"
> cable that has a PL-152 on each end to plug into the I-84-B and one of
> the PL-152 mating connectors on top of the the racks. You will have to
> redirect cable wires to the *rack* connector from I-84-B pins 5 and 8 to
> the new connector. Labeling of each PL-152 will be important for future
> use! :-)
>
> Anyway, that's one way that is reversible to get full functionality from
> the test meter(s) when using a receiver rack.
>
> 73,
> Mike
>
Robert & Susan Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480
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