GE MASTER II MOBILE REPEATER MOD'S

2 CONNECT A WIRE FROM THE RED WIRE ON THE P.A. BOARD TO H89 ON THE SYSTEM BOARD (A+).

3 ON THE SYSTEM BOARD, CONNECT A WIRE FROM H89 TO H90 (A+).

4 ON THE SYSTEM BOARD, CUT THE TRACE ON THE SYSTEM BOARD BETWEEN H95 AND H80 (RXMUTE).

5 ON THE SYSTEM BOARD, CUT THE TRACE AT H79 AND CONNECT REG. +10 VOLTS TO THE SIDE CLOSEST TO THE RX BOARD PINOUTS.

6 ON THE SYSTEM BOARD, CONNECT A WIRE FROM SPK LOW TO A- .

7 ON THE SYSTEM BOARD, CONNECT A WIRE FROM A- TO PIN 8 ON J901 (CH.1 SELECT).

8 BUILD A CIRCUIT BOARD WITH 2 10K POTS WITH BOTH POTS TIED TOGETHER ON THE OUTSIDE LEGS, CONNECT JUMPER WIRES FROM WIPERS ON EACH POT AND A WIRE FROM THE TOP SIDE OF THE POTS AND ONE ON THE BOTTOM SIDE OF THE POTS AND CONNECT AS FOLLOWS.

CONNECT WIRE FROM TOP LEG OF POTS TO PIN 20 ON J901 (VOL. SQ. HI).

CONNECT WIRE FROM BOTTOM LEG OF POTS TO PIN 18 OF J901 (VOL. SQ. LOW).

CONNECT WIRE FROM WIPER ON POT TO BE USED AS THE SQUELCH CONTROL TO PIN 17 ON J901 (SQUELCH ARM).

CONNECT WIRE FROM WIPER ON POT TO BE USED AS THE VOLUME CONTROL TO PIN 19 ON J901 (VOLUME ARM).

9 CONNECT P.T.T. INPUT TO, PIN 25 ON J901.

10 CONNECT C.O.R. OUTPUT TO, PIN 16 ON J901.

11 CONNECT MIC AUDIO INPUT TO, PIN 4 ON J901.

12 CONNECT SPK. AUDIO OUTPUT TO, PIN 28 ON J901.

13 CONTROLER'S RX AUDIO INPUT, CONNECT A WIRE FROM PIN 8 OF U604 ON THE AUDIO/IF BOARD TO PIN 5 =(SPAIR) ON J901.