Sam4s ER-350 II SERIES, Руководство по обслуживанию

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SAM4S ER-350II SERIES 9-1
9 Block Diagram
+5V
IN
+24V
FISCAL
-
nRD
+30V
A
LL C
L
R
GPIO XIN
PF
A
IL
VFD
SCLK
SDA
+30V
PF
A
IL
+5V
nRD
VBAT
VS
ER
IAL
+5V
OUT
+5V
+
DOT TRIG
DATA(7:0)
+5V
VD
I
KEY
DA
TA
(7
:0
)
nCS
A
D
D
(15:
0)
DA
T
A
(7
:0
)
74
AC
T2
45
VL
C
D
DA
TA
(7
:0
)
A
D
D
(15:
0)
MA
X2
3
2
nWR
1-
ST
AT
IO
N
D
O
T
PR
IN
T
E
R
PRI
N
T
E
R(SDM
-31
0
)
DRA
W
ER
PRI
N
T
E
R(SDM
-31
0
)
L
C
D
_
R/W
, L
C
D
_
RS
, CS
_L
C
D
,
/RD
LC
D
D
A
T
A
(7
:0
)
SE
RI
AL
(1
)
COMP
DWR#1
HEAD(9:1)
CR / LF MOTOR
BLACKMARK L/R
HOME SENSOR
THERMAL SENSOR
+24V
nRESET
FUSE
250V/3.15A
RECTIFIER
RECTIFIER
22V/2.3A
26V/0.08A
TRANS
120V/60HZ
CS FISCAL
GPIO
GPIO
GPIO
COMP
DRW#1
GPIO
GPIO
DRIVER
GPIO
GPIO
GPIO
IRQ PFAIL
nINT2
RESET
REGULATOR BATTERY
+5V
KEY BOARD
74HC138
GPIO
GPIO
KEY SCAN KEY RET XOUT
GPIO
nCS_RAM#1
nCS_RAM#2
PSEN
nRD
CPU
GPIO
UART
D(7:0)
VCC
VF
MODE
RTC IC
RS5C372A
32.768KHZ
SRAM#1
SRAM#2
DECODER
(1MBIT) (1MBIT)
(BOOT)
EPROM SRAM#1
RXD/TXD/DTR/DSR
L C D
(4MBIT)
SRAM#2
(OPTION)
DATA(7:0)
PF
AIL
SERIAL#1
PFAIL
+30V(VDI)
MAIN B'D
POWER
230V/50HZ
nWR
DRIVER
GPIO
GPIO
+5V(VCC) +3.6V(VBAT)
FRONT VFD B'D
REAR VFD B'D
MAX 96KEY
KEY SCAN RETURN
DECODER
nWR
A(15:0)
GPIO
MODEKEY
nOE
VBAT
74HC138
A
D
D
(15:
0)
DA
TA
(7
:0
)
K6T1008 M27C1001
+5V
2 LINE LCD
nCS
K6T4008
ADD(15:0)
SD
M
-31
0
SCL
K
/SD
A
/L
AT
&ST
B/D
ISCO
N
AC230V / 50HZ
AC120V / 60HZ
FISCAL B'D
CONTROL CIRCUIT
36.864MHZ
DRAWER
COMP SENS
BUZZER
OSC(2KHZ)
MEM CE
HEAD(DOT)
CNTL&DRIVER
STEP MOTOR
RAM ADD(18:16)
DATA(7:0)
RESET IC
M51953B
SCLK / SDA / LAT&STB
PWR SW B'D
MEM SIZE MAX 2MBIT
FISCAL B'D I/F
ADD(15:0)
ROM ADD(17:16)
COMPARATOR
+24V(VPRT)
UCN5812
W78C438-40