Sharp AR-P350 Service Manual page 19

6. PWB
2
11
8
10
1 PRT controller
2 PCU PWB
3 Power supply unit
4 LD PWB (Inside LSU)
5 Mother PWB
6 Filter PWB
7 Printer operation PWB
8 High voltage resistor PWB
9 Cassette detection PWB
10 Drawer PWB
11 High voltage PWB
12 Fuse PWB
1
9
12
Name
Image process, image data communication control
Overall control of the machine and options
DC power supply
Laser ON control (Inside LSU: LSU cannot be disassembled.)
Signal interface between PCU and the controller
AC power input
Key input, machine state display
High voltage load adjustment
Paper cassette control
Fan control
High voltage power supply
Protection of the machine when an abnormal power is supplied.
AR-P350 EXTERNAL VIEWS AND INTERNAL STRUCTURES 5-5
4
3
Function/Operation
7
5
6