Pwb Unit - Sharp AL-2021 Service Manual

7. PWB unit

5
1
9
4
3
No. Name
1 Exposure lamp invertor PWB
2 Main PWB (MCU)
3 Operation PWB
4 High voltage PWB
5 CCD sensor PWB
6 LSU motor PWB
7 TCS PWB
8 LSU PWB
9 Power PWB
7
Exposure lamp (CCFL) control
Copier control
Operation input/display
High voltage control
For image scanning
For polygon motor drive
For toner sensor control
For laser control
AC power input, DC voltage control
AL-2041 EXTERNAL VIEWS AND INTERNAL STRUCTURES 4 - 6
2
Function / Operation
8
6