Pwb Unit - Sharp AL-1215 Service Manual

6. PWB unit

5
1
4
No. Name
1 Exposure lamp invertor PWB
2 Main PWB (MCU)
3 Operation PWB
4 Power PWB
5 CCD sensor PWB
6 LSU motor PWB
7 TCS PWB
8 LSU PWB
9 I/F PWB
3
7
Exposure lamp (CCFL) control
Copier control
Operation input/display
AC power input, DC voltage control, High voltage control
For image scanning
For polygon motor drive
For toner sensor control
For laser control
Scanner/GDI Printer control (parallel I/F, USB I/F)
AL-1551CS EXTERNAL VIEWS AND INTERNAL STRUCTURES 4 - 6
9
2
Function
8
6