Operation Of Control Unit - Citizen CLP-621 Technical Manual

2-2. Operation of Control Parts

2-2-2. Operation of Control Unit

(1) Block diagram
The following descriptions are for major functions of the components.
(Option) Auto Cutter
Cutter Motor
Cutter Position
Sensor
(Option) Peeler
Peeler Sensor
Head Up Sensor
Transparent Sensor
Reflective Sensor
Thermal Head
Temp. Sensor
PF Motor
Temp. Sensor
Ribbon Motor
Temp. Sensor
Operation Panel
Thermal Print
Head
PF Motor
CLP-621 & CLP-631
Cutter Motor
Driver
MAIN PCB
CPU
UPD703111AGM-13-UEU-A
128MHz
BZ
Gate Array
UPD65946GJ-165-3EB-A
Head
Control
PF Motor
Driver
(Option) LAN I/F
Ethernet I/F
Wireless LAN
Ribbon Winding
Selection Switch
AC Inlet & Power Switch
Flilter & Power Supply
RS232C
Driver/Receiver
Control / C.G.
F-ROM ( 1 6Mbits)
S-DRAM (64Mbits)
IEEE1284
Transceiver
IEEE1284
Ribbon Motor
RIBBON MAIN PCB
2-18
RS232C
USB 1.1
Tension Sensor F/R
Ribbon Motor F/R
Drivers
Fan
+5V