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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 00002.00
Q6 4.0 0.7 1.5 4.0 1.0 1.5
Q7 5004.50.70
Q10 0.500000
Q11 3.0 4.0 0 4.5 4.5 4.5
Q12 500003.3
Q13 1414143.01515
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 04.04.0044
Q19 4.0 0 4.5 4.5 0 4.5
Q20 0 4 4 4.0 0.7 4.0
Q21 4.04.00044
Q22 4.50000.40
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