Read Sharp MX-6240N / MX-7040N (serv.man34) Service Manual online
MX-7040 BLOCK DIAGRAM / ブ ロ ッ ク 図
1 – 3
3. SCANNER CONTROL PWB / スキ ャ ナ コ ン ト ロール PWB
SCANNER CONTROL PWB (1/2)
R-RGB
CS3
Serial system
CS0orCS1
2
S
C
motor
various sensors
various sensors
CS4
MFPC PWB
24VPD
12V
5V
12V
5V
Communication, etc.
3.3V
5VO
5VO
to CPU
F-clk
F-RGB
16
16
32bit bus
Serial system
CS3
CS4
CS0orCS6
CS2
uart, etc.
to CPU
CS5
5Vo
DSPFcnt PWB
SCN-MotherCNT PWB
KEY PWB
(Main unit side)
CCD-R PWB
(DSPF side)
CCD-F PWB
LED lighting
Recovery trigger
SCAN
ASIC
line buf
(8Mx16bit)
CPU
H8S/2373
E2PROM
IO ASIC
SRAM
3line color CCD
AFE
Tr
Tr
Tr
Tr
Tr
Tr
Tr
Tr
Tr
Tr
Tr
MOTOR
DRIVER
line buf
(8Mx16bit)
19.661MHz
Mirror
Motor
Motor
TP-IF PWB
IPD/DOCC ASIC
MHPsensor
LED
CLK
DRIVER
OCSW
F-ROM
(For saving Shading DATA)
SCN
ASIC
LVDS IC Tx
28bit
CPU
H8S/2373
SRAM
F-ROM
(On-board)
Rx FPD Link
35bit
Scanner light source LED
DRIVER PWB
3line color CCD
Tr
Tr
Tr
Tr
Tr
Tr
Tr
Tr
Tr
Tr
Tr
Tr
AFE
Timing
generator
DRIVER
(74VHCT
(74VHCT
244)
Power supply 10V/5V/3V
LVD
S IC
S IC
Tx
28bit
FlashROM
(On-board)
LED
DRIVER
LED
DRIVER
19.661MHz
CLK
DRIVER
Rx FPD Link
35bit
IPD/DOCC ASIC
Timing
generator
Back REUS
Front REUS
Buzzer
HOME KEY
Power SW
HOME LED
Power-saving
SW
Power-saving
LED
Power LED
orange
Power LED
green
PIC
Document size
sensor
CLFM
(OC cooling FAN)
Power supply10V/5V/3V
Touch panel
12V
LED selector
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