Voltage charts, Transistors (main circuit), Table 6-3 - main circuit transistor voltages -3 – Maxon Telecom SP210 User Manual
Page 41: 3 voltage charts, 1 transistors (main circuit)
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SP200/210 Maxon SP200/210 Radio
Issue 1.0
TROUBLESHOOTING
03/01
Page 6-3
6.3 Voltage Charts
The following voltages have been measured on a VHF radio. The Control Circuit, Main Circuit and
Integrated Circuit voltages apply to the UHF radio as well.
6.3.1 Transistors (Main Circuit)
Rx
Tx
Ref. No.
B
C
E
B
C
E
Q5
0
0
0
0
2.0
0
Q6
4.0
0.7
1.5
4.0
1.0
1.5
Q7
5
0
0
4.5
0.7
0
Q10
0.5
0
0
0
0
0
Q11
3.0
4.0
0
4.5
4.5
4.5
Q12
5
0
0
0
0
3.3
Q13
14
14
14
3.0
15
15
Q14
0.5
0
0
3.0
0
0
Q15
4.0
4.0
0
4.0
0.7
4.0
Q16
0
3.0
4.0
0
4.0
4.0
Q17
3.0
0
0
3.0
0
0
Q18
0
4.0
4.0
0
4
4
Q19
4.0
0
4.5
4.5
0
4.5
Q20
0
4
4
4.0
0.7
4.0
Q21
4.0
4.0
0
0
4
4
Q22
4.5
0
0
0
0.4
0
Q23
4.0
0.7
4.5
4.0
0.7
4.5
Q24
0
4.5
5
0
4.5
5
Q25
4.5
0.7
4.5
4.5
0.7
4.5
Q26
0
0.7
0
3.0
0
4.0
Q30
4.0
0
0
4.0
0
0
Table 6-3 - Main Circuit Transistor Voltages
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