Read Sharp MX-M623U / MX-M753U (serv.man8) Service Manual online
MX-M753 BLOCK DIAGRAM / ブ ロ ッ ク 図
1 – 4
4. SCANNER CONTROL PWB / スキ ャ ナ コ ン ト ロール PWB
RGB
AFE_CS
Two serial systems
AD_CLK
AFE_CSTG
SH,
φ1, others
motor
sensors
sensors
24V
12V
5V
12V
5V
Communication,
others
others
3.3V
Power supply
To CPU
RGB DATA
Image data
SCNcnt
AFE_CS
16
16
AD_CLK
clk
RGB
AFE_CSTG
32bit bus
mother
SH,
φ1, others
Two serial systems
Image data
CS3
CTRL_A10V
CTRL_A5V
CTRL_A3.3V
CS4
CS2
CS0
CS5
CCFT_CPU
/CCFT
nLCD_DISP
( ON/OFF )
( ON/OFF )
KEY PWB
/KEYIN
PDSEL0
PDSEL1
PDSEL2
PD
PDSEL1
PDSEL2
PD
5V
NINFO_LED
NPWRSW
POW_LED
WU_LED
NWU_KEY
5V
NPWRSW
POW_LED
WU_LED
NWU_KEY
5V
/BZR
CCD-R
(DSPF side)
DSPFcnt
CCD-F
(Machine side)
Rx FPD Link
35bit
SCN
ASIC
line buf
(8Mx16bit)
LVDS IC Tx
28bit
CPU
H8S/2373
E2PROM
IO ASIC
SRAM
F-ROM
(DIMM)
(DIMM)
Copy Lamp
KEY CON
3line color CCD
TCD2716ADG
Tr
Tr
Tr
Tr
Tr
Tr
Tr
Tr
Tr
Tr
Tr
Tr
AFE
Timing
generator
MOTOR
DRIVER
DRIVER
Oscillator
BUFFER
5V/.33V
3.3V
10V
10V/5V/3V
1.8V
line buf
(8Mx16bit)
12
5V
12
10V
5
3.3V
SS
Mirror
.Motor
Touch panel
Rx
28bit
28bit
BUSBUF
powdown
1.5V
3.3VPD
3.3VPD
1.2V
Buzzer
LED drive
circuit
INV PWB
8.5 inch
LCD
Vcc REG
LED matrix
LVDS PWB (8.5 inch TFT)
IPD/DOCC
MHP sensor
ORS LED
SCN
ASIC
(Medusa)
LVDS IC Tx
28bit
CPU
H8S/2373
SRAM
Page Memory
256MBYTE (256Mbit x 8)
Rx FPD Link
35bit
CL
DRIVER
PWB
3line color CCD
TCD2716ADG
BUFFER
AFE
Timing
generator
Oscillator
BUFFER
5V/3.3V
3.3V
10V
1.8V
BUS
SW
LVDS IC Rx
28bit
DRIVER
(74VHCT
244)
10V/5V/3V
Tr
Tr
Tr
Tr
Tr
Tr
Tr
Tr
Tr
Tr
Tr
Tr
F-ROM
(DIMM)
(DIMM)
F-ROM
(for Shading DATA storage)
Oscillator
Original size sensor
BUFFER
uart, others
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