Chapter7. SPR (Receipt Printer) Service Manual
7-4
© 2016
Nautilus Hyosung Inc.
All Rights Reserved.
Block Diagram
► Block Diagram
S3C44B0X
66MHz
OSC
12MHz
RESET
DS1832
128Kx16
FLASH
MEMORY
SST39VF020
64Kx16
SRAM
K6R10161D
TPH
MOTOR
DRIVER
A2919SLB
CUTTER
MOTOR
DRIVER
L293DD
TPH
DIP S/W
LM339
SENSOR
PRT TPH
MOTOR
FEED
TPH
MOTOR
232C DRV
MAX232
EEPROM
AT93C46
A0 ~ A19
D0~D7
I/O Port
CUTTER
MOTOR
2803
회수
MOTOR
SMA4032
SOLENOID
FONT ROM
1Mx16 bit
S3C44B0X
66MHz
OSC
12MHz
RESET
DS1832
128Kx16
FLASH
MEMORY
SST39VF020
64Kx16
SRAM
K6R10161D
TPH
MOTOR
DRIVER
A2919SLB
CUTTER
MOTOR
DRIVER
L293DD
TPH
DIP S/W
LM339
SENSOR
PRT TPH
MOTOR
FEED
TPH
MOTOR
232C DRV
MAX232
EEPROM
AT93C46
A0 ~ A19
D0~D7
I/O Port
CUTTER
MOTOR
2803
회수
MOTOR
SMA4032
SOLENOID
FONT ROM
1Mx16 bit
WITHDRAWAL