Appendix D-42 Product Overview Rev. A
Confidential
Circuit Block Diagram
In the circuit block diagram below, the circuit units in this printer are divided into main units.
(A/C is autocutter.)
Figure D-52
The circuit board consists of the following units:
❏ Main circuit board
❏ Memory circuit board (the memory circuit board is soldered to the main circuit board and
cannot be removed)
❏ Interface circuit board (option)
CN18
Power
supply unit
VCC
Power supply
5V
Power supply
Thermal head motor
voltage supply
Thermal head
Thermal paper
feed motor
G/A
Memory board
Slip transport,/
carriage motor,
solenoids drive
voltage supply
Impact head A/C,
24VA
Power supply
24VB
Power supply
24VC
Power supply
I/F Board
DM
SLIP paper feed
SLIP carriage
Sensor
Solenoid
Impact head
LED/SW
DKD
U17
U14
Q25
Q20
U19
QM3
QM6
QM10
QM11
Q5
SW
Q17
Q45
Mechanism unit
(U30)
CPU
(U3)
CN30
CN28
A/C
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