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MX-C401 BLOCK DIAGRAM / ブロック図 1 – 6
5. LSU MOTHER PWB / LSU マザー PWB
LSU_ASIC
CHIP- 1
LSU_ASIC
CHIP-2
MFP
BD
(BD/
TH)
Horizontal Scan
/ Vertical Scan
Timing Control
Timing Control
Motor Cont rol
PCU
S/S
ECLK
HSYNC
LV
D
S
/D
ri
ve
r
ECLK
HSYNC
VSYNC_M/Y
VIDEO I/ F CK
HSYNC
8
ECLK
HSYNC
VSYNC
8
ASIC
CHIP- 2
ASIC
CHIP- 2
SYSCLK
ASIC
CHIP- 2
SCK
RSV_DAT
TRANS_RST
TRANS_DAT
JOBEND_INT
IRQ1
Synchronous Serial
communication
Thermistor Output
OSC
(System CK)
PCU_TRG
AMP
Reset IC
Reset Input
Reset
35 : 5
35 : 5
ID[0:1]
Channel A: K1
Horizont al Scan
/ Vertical Scan
Timing Control
Timing Control
Channel B: K2
Channel C: C1
Channel D: C2
PCU I/ F
Register
etc...
ID[0:0]
ASIC
CHIP- 2
Reset
ASIC
CHIP- 2
SCK
RSV_DAT
TRANS_RST
TRANS_DAT
Synchronous Serial
communication
IRQ2
System CK
ECLK
HSYNC
8
8
35 : 5
35 : 5
FP
D-
L
IN
K
/R
eci
ve
r
Trigger Chain
LD
Polygon
Motor
Control
PGM_CK
PGM_START
(PGM_BRAKE)
PGM_LOCK
Polygon
Motor
LSU
FAN
FAN
FAN
Control
FAN_PWM
FANSTABLE
O.C.
O.C.
O.C.
Serial
D/A
Serial I/F
DA_CLK
DA_CLK
DA_DT
DA_LD
DA_LD
Vref YMCKx2
Serial
D/A I/F
LD Control
LD Control
(APC
/ENB)
nSH KCx2
LD_ENB KC
O.C.
LD5V
LDERRY MCK
DT_M1+-
3
3
8
4
2
2
VIDEOIF_ACT
DT_M2+-
2
DT_Y1+-
2
DT_Y2+-
2
FP
D-
L
IN
K
/R
eci
ve
r
DT_K1+-
2
DT_K2+-
2
DT_C1+-
2
DT_C2+-
2
Motor Control
Polygon
Motor
Control
FAN
Control
Serial
D/A I/F
LD Cont rol
LD Control
(APC
/ENB)
LD_CHK 1/2/3/4
4
ASIC
CHIP- 2
BD
O.C.
nSH MYx2
LD_ENB MY
LD5V
4
2
BD
nSHB KCx2
nSHB MYx2
OSC
(ColorCK)
OSC
(B/W CK)
OSC
(Heavy PP
CK)
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
Channel A: M1
Channel B: M2
Channel C: Y1
Channel D: Y2
ASIC
CHIP- 2
VSYNC_K/C
VSYNC_K/ C
4
PIC
PIC16F882
SCN
cnt
DCPS
LVDS
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
USB Port
(Front)
USB SW
O.C.
POW_LED
O.C.
WU_LED
PWR_KEY
WU_KEY
INFO_LED
O.C.
WU_FAX
LCDCLK
33.26MHz
LCD_CLKIN
PICVPPON
ASIC
CHIP- 2
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_SEL0-3
TXD_PCU
RXD_PCU
CTS_PCU
RTS_PCU
RES_PCU
RXD_PCU
CTS_PCU
RTS_PCU
RES_PCU
MFP
PCU I/ F
Regist er
et c...
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