Sharp AR-5520D - CLEANING THE BYPASS TRAY PAPER FEED ROLLER; CLEANING THE TRANSFER CHARGER

AR-5520 ELECTRICAL SECTION 13-1
[13] ELECTRICAL SECTION
1.Block diagram
Scanner Unit
V3.3V5AV5
B/W
8bits ( MSB/LSB)
5V
LVTT L
5v
1.2V
3.3V 3.3V
3.3V
MasterCLK(14.7MHz)
( Wait)
A[19…1] D[15…0]
2Mb(128k*16bit) (1M*16bit)
3.3V
4K 16kbyte
Loads
MPFS,RRS, SGS, SRRC, SPUS, SPPS ,
MainMotor Toner Moto
r
Mirror Motor
VFMCNT, VFM, MPFS, CPFS2 ,
CPFS1
Inputs
INTERRUPT
SPPD
CPU CPU
I/O
RTH DRST
MCU-PWB
CCD PWB
OPU PWB
Kronos2 ASIC
(B
BGA 484pin
)
CPU H8S/2321
(24.576MHz)
LSU
EEPROM
SDRAM
Simp:16MB
Dup+Esort:64MB
Reset IC
SRAM
Driver
Flash ROM
AFE(AD9826)
C D S
A G C
M P X
AD 16bit
CCD Driver
CCFL
Lamp Invertor
HOME POSITION SENSOR
CPU CLK (24.576MHz)
ASIC Reset
SSCG
PMD
Driver
MM_AI0/AI1/PH_A
MM_BI0/BI1/PH_B
16bit
Shift-
7seg LED LED
3.3V
HC151
KEY
3.3V
START KEY
POWER SUPPLY
/POFF,HL,PR FW
5VEN,24V
HVU
TC, GRID, MC, BIAS
COIN VENDOR/ AUDITOR
/CV_COPY /CV_COUNT,/CV_START,/CV_CA,
/CV_DPX,/CV_SIZE0,1,2,3
PMCLK(2078.74(Hz))
PSW(
Expansion IO
)
KEYIN
SELIN1,2,3
OP-CLK OP-LATCH OP-DATA OP-BEO
LED
PSL,ONL(
Expansion IO
)
MHPS
/VIDEO S/H APCSTT /SYNC
SPMT0/1/2/3
SPF/ RSPF
Driver
SPFCLH SPFPSOL
Sensor
Driver
Selector
L1,2 W0,1,2,3
/SPFCOVER,PAPER, SPFOPEN,/SPFOUT
SPFMOTOR
TM+,TM-
/MMRDY
/MMD
PWM
5V,3.3V
FAN
24V
HC151
CLON
2nd TRAY Feed SOL , Pick up SOL
/MMRDY
SELIN1,2,3
Y1 PSOL
FSOL
SCAN1-6(
Expansion IO
)
UART
USB2.0
High Speed
(D
DEVICE
)
or
USB- NIC
Card
Reg
DCDC
Buzzer
CRUM
Clock
Gen.
SCAN:16MHz CPU:24.576MHzSS-ON LSU/SYSTEM:20.309MHz USB:48MHz
Reg
DCDC
DC- DC
sequencer
Tender: 128MB
(Max. 4-chip composition)
Expansion IO ASIC
Countermeasures
for ozone
* Supplied from ClockGen
*Support for DEV-Initial
detection
Reg. 2 pcs
TRAY DETECTION, PAPER DETECTION, PAPER PASS DETECTION, DOOR DETECTION
Other Other
Ø
1,
Ø
2,
Ø
TG,
Ø
TG2,
Ø
TG3
Ø
RB,
Ø
CLB,
Ø
1L
ADCCLK,SYNCH, BSAMP,VSAMP SDI,SCLK,LOAD,OBE MODE
CCD
(TCD1710)