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Maxon SP200/210 Radio SP200/210
TROUBLESHOOTING Issue 1.0
Page 6-4 03/01
6.3.2 Integrated Circuits
Receive
Pin IC1 IC3 IC4 IC5 IC6 IC9 IC11 IC12 IC18
1 3.5 1.8 1.9 GND 1.2 1.6M 1 0
AUDIO
23
AUDIO
0GND1.44.5GND0
AUDIO
3 3.5 4 1.9 GND 1.6 4.5 0 0
AUDIO
43.6
AUDIO
1.9 4.5 1.5 4.5 GND 0 4.5
53.3
AUDIO
1.9 GND 0 4.5
AUDIO
GND
AUDIO
63.3GND560064.5
AUDIO
7 3.3 GND 1.9 0 0 3 4.5
AUDIO
8 3.7GNDA 0014.5
AUDIO
9 0 0.5 CLK 4 4.5
AUDIO
10 0.8 0.5 0 0 2
AUDIO
11 1 4.5 5 2.5 2 4.5
12 0 0 0 4.5 4.5
AUDIO
13 3.5 2.5 1.9 0 3
AUDIO
14 0 2.5 1.9 4 4.5
AUDIO
15 0
AUDIO
0
16 1.8 4.5 0
17 4.5
18 0
19 0
20 2
Table 6-4 - Integrated Circuit Voltages (Receive)
Transmit
Pin IC1 IC3 IC4 IC5 IC6 IC9 IC11 IC12 IC18
1 - 0 1.9 GND 1.8 1.6M 1 0
AUDIO
2 -00GND1.64.5GND
0 AUDIO
3 - 0 1.9 GND 1.7 4.5 0
0 AUDIO
4 - 0 1.9 4.5 1.5 4.5 GND 0 4.5
5 - 0 1.9 GND 0 4.5 1.2 GND
AUDIO
6-GND560064.5
AUDIO
7 -GND1.9 0064.5
AUDIO
8 -GNDA 0014.5
AUDIO
9 - 4.5 CLK 0 4.5
AUDIO
10 - 4.5 0 0 2
AUDIO
11 - 0 5 0 2 4.5
12 - 1.9 0 0 4.5
AUDIO
13 - 1.9 1.9 1.0 3
AUDIO
14 - 1.9 1.9 0 0
AUDIO
15 - 1.9 0 0
16 - 4.5 4.5 4.5
17 - 4.5
18 - 0
19 - 0
20 - 2
Table 6-5 - Integrated Circuit Voltages (Transmit)