Read Sharp MX-B381 / MX-B401 (serv.man9) Service Manual online
MX-B381/B401 BLOCK DIAGRAM 1 – 4
4. SCANNER CONTROL PWB
SCNcnt
Scanner
16
clk
RGB
32bit bus
mother
MFP
CLK 13.769MHz
CS3
CLK
SDIO
CTRL_A12V
SCLK
CTRL_A5V
/SEN
CTRL_A3.3V
CS4
/RESET
MHPS
MHPS
Mortor
RSPF UN
NRTS_SCN
CS2
CS0
NCTS_SCN
RXD_SCN
TXD_SCN
NRES_MFPC_SCN
RXD_SCN
TXD_SCN
NRES_MFPC_SCN
uart, others
RES_SCN
NPOF_SCN
NPOF_SCN
CS5
NFWP_SCN
LVDS PWB
/YL(Y1)
XH(X1)
YH(Y2)
/XL(X2)
XH(X1)
YH(Y2)
/XL(X2)
LCD detection
Touch panel
Touch panel
PNL_SEL0
PNL_SEL1
PNL_SEL1
CN_CHK_OUT
PNL_SEL2
PNL_SEL3
PNL_SEL3
PNL_SEL3
PNL_SEL0
PNL_SEL1
PNL_SEL2
PNL_SEL0
PNL_SEL1
PNL_SEL2
LCD_FPDCLK
CCFT
nLCD_DISP
LCD_A0+/-
LCD_A1+/-
LCD_A2+/-
LCD_A3+/-
LCD_CLK_+/-
LCD_A1+/-
LCD_A2+/-
LCD_A3+/-
LCD_CLK_+/-
KEY SCAN
nLCD_DISP
KEY PWB
/KEYIN
NINFO_LED
NPWRSW
POW_LED
NPWRSW
POW_LED
WU_LED
5V2
NWU_KEY
NINFO_LED
NPWRSW
POW_LED
WU_LED
NWU_KEY
5V2
NPWRSW
POW_LED
WU_LED
NWU_KEY
5V2
/BZR
FPD Link
DS90FC218A
SCN
ASIC
(Medusa)
LVDS IC
V385
CPU
H8S/2373
E2PROM
IO ASIC
SRAM
F-ROM
(DIMM)
IPD
KEY CON
MOTORDRIVER
L6219
12V/5V/3V
line buf
64Mbit x 2
12V
CLK27.53MHz
SS
M.M
TP
Rx
28bit
28bit
Rx
28bit
28bit
Tx
28bit
28bit
BUSBUF
powdown
powdown
3.3V
1.2V
INV PWB
LCD
FFC
CPLD
CN
AFE
LM98714
CCD
CL
HP sensor
1.5V
3.3V
1.2V
3.3V
DCDC-C
17V - 24V
CN
SS
LV047
FFC
MOTORDRIVER
L6219
244
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