Pioneer PRO-730HDI Service Manual page 68

1
WAVEFORMS and VOLTAGES
A
Note : The encircled numbers denote measuring point in the schematic diagram.
P F 1/3
POWER SUPPLY ASSY
Q201 Gate
102
V: 5V/div. H: 5µsec/div.
Q201 Drain
103
V: 50V/div. H: 5µsec/div.
102
B
103
IC201 - pin 1
104
V: 2V/div. H: 5µsec/div.
IC201 - pin 2
105
V: 0.5V/div. H: 5µsec/div.
C
104
105
D
E
F
68
1
2
IC201 - pin 3
106
V: 0.5V/div. H: 5µsec/div.
IC201 - pin 6
107
V: 5V/div. H: 5µsec/div.
106
GND
107
GND
IC101 - pin 5
108
V: 50V/div. H: 100µsec/div.
GND
GND
PRO-730HDI
2
3
GND
GND
GND
3
4
4