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Author Topic: Icom IC-21A Power Connector  (Read 1137 times)
W4OP
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« on: October 29, 2012, 10:54:55 AM »

I have an IC-21A coming this week w/o a power cable. I owned one of these some time back and recall it was a Molex connector (?) but not sure of the A X B- maybe 3X4?
The 21A manual I found on line showed photos of the IC-21 which used an octal or 11 pin connector.
Any help out there?

Tnx,

Dale W4OP
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W9GB
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« Reply #1 on: October 29, 2012, 12:45:41 PM »

Dale -

Yahoo Group -- Icom IC-21A
http://groups.yahoo.com/group/IcomIC-21Agroup/?tab=s

The RigPix manual for the Icom IC-21 shows a male 8-pin Amphenol/WPI Octal plug.
The manual also shows AC and DC wiring from that plug (common for 1960s designs).

Schematic, on last page, shows octal wiring (bottom margin, right middle) for DC and AC operation.  
Time to build cables.
http://www.rigpix.com/icom/ic21_manual.pdf

==
Icom Global Support (Japan) has the Icom IC-21A manual
Same as the IC-21 manual
http://www.icom.co.jp/world/support/download/manual/pdf/IC-21A.pdf

Greg
w9gb
« Last Edit: October 29, 2012, 12:56:17 PM by W9GB » Logged
W4OP
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« Reply #2 on: October 29, 2012, 12:51:20 PM »

Hi Greg,
There in lies the problem. The IC-21A uses a Molex connector- but apparently Icom never changed the manual when they went from the 21 to 21A- at least the 2 I have looked at on-line- one from the Icom site.
The rig is coming with a 21A manual- maybe it has the correct info. Otherwise, I'll open it up and have a look see.
Tnx,

Dale W4OP
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W9GB
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« Reply #3 on: October 29, 2012, 01:02:37 PM »

Dale -

The Icom IC-22A used a 4-pin Molex (Radio Shack stocks) for 13.8 VDC.

My Icom IC-211 has the AC plug (IEC) and you jumper the 4-pin for AC operation OR
wire pins 1 and 4 pins on the 4-pin for 13.8 VDC
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W4OP
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« Reply #4 on: October 29, 2012, 01:07:49 PM »

Thanks Greg,
I'll check when it comes in. I have decent stock of Molex- I was just hoping to have the cable ready when she arrives.

Dale
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