Citizen CT-S651 Series Service Manual page 5

3-2-3.
3-2-4.
3-2-5.
3-2-6.
3-2-7.
3-2-8.
4. CIRCUIT DIAGRAMS.............................................................................54
4-1. MAIN PCB .......................................................................................................................54
4-1-1.
4-1-2.
4-1-3.
4-1-4.
4-1-5.
4-1-6.
4-1-7.
4-1-8.
4-1-9.
4-1-10. Main Control Board (IF PCB CON / OPTION IF) ...............................................63
4-1-11. Main Control Board (CUTTER) ..........................................................................64
4-2. PE, PNE Sensor ..............................................................................................................65
4-3. Operation Panel ...............................................................................................................65
4-4. Serial I/F PCB ..................................................................................................................66
4-5. Parallel I/F PCB ...............................................................................................................67
4-6. USB I/F PCB ....................................................................................................................68
4-7. USB HUB I/F PCB ...........................................................................................................69
4-8. POWERED USB I/F PCB ................................................................................................70
4-9. ETHERNET E Type I/F PCB ............................................................................................71
4-9-1.
4-9-2.
4-9-3.
4-9-4.
4-9-5.
SA, SERIAL I/F PCB..........................................................................................50
SA, PARALLEL I/F PCB.....................................................................................51
SA, USB I/F PCB ...............................................................................................51
SA, USB HUB I/F PCB ......................................................................................52
SA, POWERED USB I/F PCB ...........................................................................52
SA, ETHERNET E Type I/F PCB .......................................................................53
Main Control Board (CPU1)...............................................................................54
Main Control Board (CPU2/DAC) ......................................................................55
Main Control Board (ROM) ................................................................................56
Main Control Board (RAM) ................................................................................57
Main Control Board (GATE_ARRAY) .................................................................58
Main Control Board (HEAD, OP-PANEL)...........................................................59
Main Control Board (PF MOTOR)......................................................................60
Main Control Board (SENSOR) .........................................................................61
Main Control Board (POWER/DRAWER/BUZZER)...........................................62
CPU1 .................................................................................................................71
CPU2 .................................................................................................................72
SD RAM.............................................................................................................72
PHY ...................................................................................................................73
I/F ......................................................................................................................74
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CT-S651 Series Service Manual