Sharp AL2020 Service Manual

AL-2020/2035/2040/2050/2060 ELECTRICAL SECTION 13 - 2
(2) AL-2050/2060
Carriage Unit
12V
12V Reg A5V 3.3V
RSPF Motor
R G 8bits (MSB/LSB) B
FAX Model Only
AR-FX13
5V
Speaker
Mechanical Load
MCU-PWB
MPFS,RRS,CPFS1
(RSPF UNITSPUS,SRVC)
3.3V 8Mb
256Mbx1 or 16Mb
1284 I/F
D[7..0] RD
12MHz
CS INT
Sensor/SW
Printer CLK (Electorical detector/SW/Sensor)
/ESPRD
CPU INTERRUPT
SPPD
18.3856MHz 3.3V 18.3856MHz
UART
CPU I/O
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
16Mbit 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
(AR Model Only)
Main Motor Toner Motor Mirror Motor
Polygon Motor
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
Driver
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
NIC PCBA (AL Model only)
RJ45 (N/W connector)
Ether Chip RTL8019AS
FPGA
CPU uPD703100
FlashROM 1Mbit
SRAM 256kbit
MMCLK
PSL LED
8
SSCG
PMRDY
Driver

Sharp AL2020 Specifications

General

Brand	Sharp
Model	AL2020
Category	All in One Printer
Language	English