Azden PCS-2000 Control Head

I have an Azden PCS-2000 25w mobile 2meter rig I bought roughly 15 years ago at a hamfest in Chicago. I got it for a song because it had been in an accident, and the display didn't work properly. I sat on it, hoping to fix it someday. Now that I'm getting back into the hobby, instead of fixing it I've decided that I would build my own control head and use it as a base at my desk.

Control Pin Chart

I've soldered some ribbon cables to the control head connector so I could get the pinout. Pin number counts from the sharpie line I drew on the cable. It corresponds to the left side of the connector, with the radio facing you.

Top Pins (Side A)
# Function Notes
18 volts on, .5 volts off
213v on, slow climbdown off
3(unk)
45kHz shift (high)
5(unk) .2v on, 0 off
6Signal Strength, or Audio Out 1)
7(unk)
8(unk)
9PTT? 12v on, 5v off
10MHz Pin 1Apin 9
11MHz Pin 0Apin 8
12100kHz BCD 2Apin 7
13100kHz BCD 0Apin 6
1410kHz BCD 2APin 5
1510kHZ BCD 0APin 4
Bottom Pins (Side B)
# Function Notes
1
2
3
4
5
6
7
8
9
10
11
12100kHz BCD 3APin 15
13100kHz BCD 1APin 14
1410kHz BCD 3APin 16
1510kHz BCD 1Apin 10

Tuning the Radio

There are three components to tuning the radio, using eleven pins on the edge connector.

Note: It appears that according to the schematic, there are two tuning pins I have not yet found. However, the connector appears to be different from the one on my radio.

14 7. 28 5
unused MHz Pins kHz BCD Pins 5kHz Pin

MHz Position Pins

Two pins control the MHz position, following this chart:

MHzPin 0Pin 1
4HIGHHIGH
5HIGHLOW
6LOWHIGH
7LOWLOW

100 kHz and 10 kHz Position Pins

These are binary encoded decimal. Four pins for each digit.

5kHz

Bringing pin 4 high tunes up 5 kHz.

Documentation

Here are documents that I've found, scouring the web:

1)
Full Bars appears to be 3.3v