Read Sharp AR-203 (serv.man5) Service Manual online
AR-203E/5420/M200/M201 ELECTRICAL SECTION 13 - 2
B. Overall block diagram (AR-M200/M201)
Carriage Unit
12V
12V
Reg
A5V
3.3V
RSPF Motor (AR-M200/M201 optional only)
R
G
8bits (MSB/LSB)
B
AR-FX13 (Option)
5V
Speaker
Mechanical Load
MCU-PWB
MPFS,RRS,CPFS1
(RSPF UNIT) SPUS,SRVC
3.3V
8Mb
256Mbx2
or 16Mb
D[7..0]
AR-NB2A
(Option)
RD
12MHz
CS
INT
Sensor/SW
Printer CLK
Ethernet
(Electorical detector/SW/Sensor)
/ESPRD
CPU
INTERRUPT
SPPD
18.3856MHz
3.3V
18.3856MHz
UART
CPU I/O
NW PWB
Interlock SW
Cassette detector X 2
Drum Initial detector
Scanner CLK (12MHz
x4
48MHz)
A[19…1]
PPD1
POD
D[15…0]
MFD
PPD2
1Mbit
OPE PWB
SPID
SRJD
SCOD
Duplex Model Only
CPUCLK
8bit
Duplex Motor
FAX Model Only
I2C Bus
8bit
FAX OPE PWB
AR-FX13
D[15…8]
8Kbyte
Shifter Motor
Buzzer
Fan Motor
24V
12V
2nd Cassette
Main Motor
Toner Motor
Mirror Motor
Mechanical load
CPFS2
Sensor/SW
Polygon
Motor
PPD3,
PD2, CED2
AC Code
LSU
KRONOS ASIC
(296pin)
CPU
H8S/2321
(19.6608MHz)
EEPROM
SDRAM
8Mbyte
Reset IC
SRAM
Driver
Flash ROM
AFE(HT86V26)
C
D
S
A
G
C
M
P
X
AD
16bits
CCD Driver
CCFL x 2
Lamp Inverter
for CCFL
HOME
POSITION
SENSOR
CCD
(ILX558K)
CPU CLK (19.6608MHz)
System Reset
SSCG
PMD
LED Driver
LED
HC151
KEY Matrix
START KEY
POWER SUPPLY
/POFF,HL,PR
FW
3.3V,5VEN,5V,12V,24V
HVU
TC, GRID, MC, BIAS
PMCLK
PSW
KEYIN
SELIN1,2,3
OP-CLK
OP-LATCH
OP-DATA
PSL
MHPS
Driver
Driver
/MMD
PWM
0 - 24V
DC-DC
Image BUS(PI-Bus)
Image BUS(PO-Bus)
OA982
SDRAM
Flash ROM
/MMLD
8
KEYSCAN1 - 3
ISP1583
USB2.0
High-speed
P-Bus
LCD
(2 x 20)
FAX I/F
HC238
(3 to 8 decode)
EEPROM
(CRUM)
LCD E
LCD RS
LCD R/W (TBD)
LCD DB7-4
FAX Main PCBA
Driver
IO ASIC
LASER
KEY Matrix
LED
MMCLK
PSL LED
8
SSCG
PMRDY
Driver
Network Box
100Base-T
Driver
16Mbit
Click on the first or last page to see other AR-203 (serv.man5) service manuals if exist.