Sanyo AVM-2550S Training Manual page 70

Q601 OFF PERIOD
T1
(A) Q601 COLLECTOR
EMITTER VOLTAGE
I
(B) T601
TERMINAL
CURRENT
(C) Q601
COLLECTOR
CURRENT
(D) T601
TERMINAL
VOLTAGE
Q601 ON OPERATION
Q601 ON PERIOD
T2 T3
RESONANT
CURRENT
POSITIVE
FEEDBACK
VOLTAGE
Figure 2. Waveforms in Power Supply Circuits
(E) T601
TERMINAL
CURRENT
0V
(F) T601
TERMINAL
VOLTAGE
0A 0A
(G) Q604
BASE ~ EMITTER
VOLTAGE
0A
0V
– 67 –
Q601 OFF PERIOD
Q601 ON OPERATION
Q601 ON PERIOD
T1 T2 T3
OUTPUT
VOLTAGE
0A
0V
0V