MX-2640N, MX-2640NR, MX-2640FN, MX-3140N, MX-3140NR, MX-3140FN, MX-3640N, MX-3640NR, MX-3640FN (serv.man38). MX2640N-MX3140N-MX3640N Circuit Diagram - Sharp Copying Equipment Service Manual (repair manual). Page 4

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MX-3640N  BLOCK DIAGRAM  
1 –  3
3. SCANNER CONTROL PWB / スキャ ナコ ント ロー ル PWB
CPUCLK
SCNcnt
AFE_CS
16
16
䠿䡈䡇
RGB
32bit bus
LSU-mother
Serial 2 systems
CS3
RSPF UN
CTRL_A10V
CTRL_A5V
CTRL_A3.3V
CS4
CPUCLK
CS0orCS6
CS2
CS0
RSPF Power
CS5
SEL_A/B/C
analog
PNL_SEL0
CCFT_CPU
PNL_SEL0
/CCFT
nLCD_DISP
( ON/OFF )
RGB
3.3V
5V
LCD Power
/KEYIN
5VPWM
5VO
NINFO_LED
NPWRSW
POW_LED
WU_LED
NWU_KEY
5VO
/BZR
24V
12V
3.3V
5V
SC_ACK
PCU_REQ
CCD-
3.3V
Rx FPD Link
35bit
SCN
ASIC
line buf
(8Mx16bit)
LVDS IC
Tx
28bit
CPU
H8S/2373
E2PROM
CPLD
SRAM
F-ROM
(DIMM)
3line color CCD
Tr
Tr
Tr
Tr
Tr
Tr
Tr
AFE/TG
MOTOR
DRIVER
3.3
10
㻝㻜䠲㻛㻡䠲㻛㻟䠲
line buf
(8Mx16bit)
12
䊻5䠲
12
䊻10䠲
5
䊻3.3䠲
19.661MHz
MOTOR
DRIVER
Mirror
.Motor
HC151
䠮䡔
28bit
1.5
3.3
1.2
IPD/IDOCC
MHPsensor
ORS
䚷LED
LED
1.8
F-ROM
(ONboard)
5VN
24V
24V
CLK
DRIVER
3.3
OCSW
5VN
24V
䠬䠟䠱
5VN
SPED
5VPWM
5VN
Power
supply
5VN
24V
5VPWM
5VO
12V
Auditor(TBD)
5VN
5VN
24V
5VPWM
5VO
5VO
5VN
24V
LSU-mother
LSU-mother
3.3V
12V
䠨䠟䠠
GE2 : 7inch
AR2 : 10.1icn
CPLD
LED
24V
LED
DRIVER
DCDC
3.3V
HOME Key
HOME LED
MTP IC
LED
Driver
Sensors other than SPED, SOCD
151 Other ICs
LVDS PWB
Touch panel
Backlight
Buzzer
WU_LED (Reset key LED)
POW_LED (Main power LED)
WU_KEY (Reset key)
Document size
light reception
USB CV PWB
INFO_LED (FAX reception LED)
Keyboard
PWRSW (Soft SW)
䞉LCD kind detection
Sensors
RGB
To LSU-mother
LED drive
circuit
uart, etc.
(Main unit side)
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