Read Sharp MX-2310U / MX-3111U (serv.man18) Service Manual online
MX-3111 BLOCK DIAGRAM / ブ ロ ッ ク 図
1 – 6
6. LSU-MOTHER PWB / LSU マザー PWB
LSU_ASIC
(Racoon)
MFP
BD
Horizontal Scan
/Vertical Scan
Timing Control
Timing Control
Motor Control
PCU
S/S
ECLK
HSYNC
ECLK
HSYNC
VSYNC_K
VIDEO I/F CK
HSYNC
ECLK
HSYNC
VSYNC
8
SYSCLK
PCU I/F
Register
etc...
SCK
RSV_DAT
TRANS_RST
TRANS_DAT
JOBEND_INT
Synchronous Serial
communication
Thermistor Output
OSC
(System CK)
AMP
Reset IC
Reset Input
Reset
35:5
ID[0:0]
Channel A: K
Channel C: C
Channel B: M
Channel D: Y
LD
Polygon
Motor
Control
PGM_CK
PGM_START
(PGM_BRAKE)
PGM_LOCK
Polygon
Motor
FAN
Control
O.C.
O.C.
Serial
D/A
Serial I/F
DA_CLK
DA_DT
DA_LD
DA_LD
Vref K, C, M, Y
Serial
D/A I/F
LD Control
LD Control
(APC
/ENB)
nSH K, C, M, Y
LD_ENB KC, MY
LD5V
LDERR K, C, M, Y
3
3
4
4
VIDEOIF_ACT
DT_K+-
2
DT_M+-
2
LD_CHK1/2
4
BD
OSC
(CK C)
OSC
(CK M)
OSC
(CK A)
OSCCLK_C
OSCCLK_M
OSCCLK_A
CLK_C_EN
CLK_M_EN
CLK_A_EN
CLK_C_EN
CLK_M_EN
CLK_A_EN
Thermister
4
PIC
PIC16F882
SCN
cnt
DCPS
OPE
Reset IC
Reset Input
Reset
UART
O.C.
POF_MFP
POF_SCN
POF
O.C.
DCCNT1
O.C.
DCCNT2
UART
UART
LCD_DATA0-3 +-
/LCD_CLK+-
10
SCN_DATA0-3 +-
/SCN_CLK+-
10
LCD_DISP
O.C.
POW_LED
O.C.
WU_LED
PWR_KEY
WU_KEY
O.C.
WU_FAX
LCDCLK
LCD_CLKIN
PICVPPON
OSC
(System CK)
O.C.
TXD_PIC/RXD_PIC
REQ_PIC/REQ_PIC_INT/CLR_PIC
TXD_SCN/RXD_SCN/CTS_SCN/RTS_SCN/RES_SCN
LCD_SEL0-1
TXD_PCU
RXD_PCU
CTS_PCU
RTS_PCU
RES_PCU
RXD_PCU
CTS_PCU
RTS_PCU
RES_PCU
USB Port
(Keyboard/Front/
Rear)
USB Controller
O.C.
FAX_INFO
35:5
35:5
35:5
8
8
8
2
DT_C+-
DT_Y+-
2
2
4
COM_FIFO
I2C BUS
SCL
SDA
SDA
WP
TH
RSPF
ANY_KEY
SPED
KEY_IN
SOCD
RSPF_OPEN
LVDS
MFP
FPD-LINK/Reciver
LVDS/Driver
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