Midland Radio SP-300 - Manual (Page 31)

MAXON
SP-300 HAND HELD
Page -28-
May 2001
TRANSMIT STATE
PIN # IC1 IC2 IC3 IC5 IC6 IC401 IC402
1 GND 1.6M 0.0 - 1.3 1.9 0.0
2 GND 5.0 0.0 - GND 1.9 0.0
3 GND 5.0 0.0 - 0.0 1.9 0.0
4 5.0 5.0 GND - GND 1.9 0.0
5 GND 5.0 - - 1.5 0.0 0.0
6 7.5 0.0 - - 7.5 0.0 0.0
7 0.0 - - 7.5 0.0 GND
8 0.0 5.0 - 1.5 1.9 0.0
9 5.0 - 1.9 2.1
10 2.6 - 2.1 0.0
11 2.6 - 2.2 0.0
12 5.0 - 2.2 0.0
13 3.0 - 5.0 0.0
14 0.0 - 5.0 5.0
15 0.0 5.0
16 5.0 5.0
17 5.0
18 0.0
19 0.0
20 2.5
PIN # IC404 IC406 IC407 IC408 IC410 IC411
1 A 3.7 1.9 0.0 AUDIO 2.0
2 AUDIO 1.9 0.0 0.0 AUDIO 4.0
3 AUDIO 1.9 1.9 0.0 AUDIO 1.9
4 5.0 5.0 1.9 0.0 5.0 1.9
5 AUDIO 1.9 1.9 GND AUDIO 0.0
6 AUDIO 1.9 5.0 5.0 AUDIO GND
7 AUDIO 1.9 1.9 5.0 AUDIO GND
8 AUDIO 1.9 A 5.0 AUDIO GND
9 AUDIO 1.9 CLK AUDIO 5.0
10 AUDIO 1.9 0.0 AUDIO 5.0
11 GND 0.0 5.0 GND 0.0
12 AUDIO 1.9 0.0 AUDIO 1.9
13 AUDIO 1.9 1.9 AUDIO 1.9
14 AUDIO 1.9 1.9 AUDIO 0.0
15 0.0
16 5.0
17
18
19
20