TM-268 819 Page 16
Belt Driven Generator
8-3.
Waveforms For Section 8-2
Test Equipment Needed:
5 ms 100 V
A. Generator Open-Circuit Voltage, No Load, 60 Hz
5 ms 5 V
B. Pulse Width Modulation (PWM) Signal Between
Power Board PC1 And Control Board PC2 (V11 on
Troubleshooting Circuit Diagram)
gnd
gnd
.
The waveforms represent the output
of the generator. When operating
properly, the generator waveforms
match those shown here.
Waveforms shown are for 60 Hertz
models; waveforms for 50 Hertz mod-
els are similar
5
10
15
