Integrated circuits, 2 integrated circuits – Maxon Telecom SP210 User Manual
Page 42
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
2
3
AUDIO
0
GND
1.4
4.5
GND
0
AUDIO
3
3.5
4
1.9
GND
1.6
4.5
0
0
AUDIO
4
3.6
AUDIO
1.9
4.5
1.5
4.5
GND
0
4.5
5
3.3
AUDIO
1.9
GND
0
4.5
AUDIO
GND
AUDIO
6
3.3
GND
5
6
0
0
6
4.5
AUDIO
7
3.3
GND
1.9
0
0
3
4.5
AUDIO
8
3.7
GND
A
0
0
1
4.5
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
-
0
0
GND
1.6
4.5
GND
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
-
GND
5
6
0
0
6
4.5
AUDIO
7
-
GND
1.9
0
0
6
4.5
AUDIO
8
-
GND
A
0
0
1
4.5
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)