Hitachi DV-P303U Service Manual page 54

6-1-3 Internal Block Diagram
Internal Block Diagram
Smoothing
Circuit
Rectified Circuit
Control Circuit
Line Filter
Power IN
(85~265V)
Noise
Converter
Removal
(SNUBBER)
Power TR
Voltage
Detection
Circuit
FLT Driving
Circuit
3.3V Rectified
Smoothing Circuit
5V Rectified
Smoothing Circuit
8V Rectified
Smoothing Circuit
-8V Rectified
Smoothing Circuit
Fig. 6-10
Circuit Descriptions
3.3V Rectified
VoltageCircuit
O
5V Rectified
U
VoltageCircuit (x2)
T
P
Motor 8V
U
1 Port
T
8V Rectified
VoltageCircuit
-8V Rectified
VoltageCircuit
6-5