Read Sharp MX-4100N / MX-4101N / MX-5000N / MX-5001N (serv.man6) Service Manual online
MX-4101N BLOCK DIAGRAM / ブロック図 1 – 6
5. LSU PWB
LSU_ASIC
CHIP-2
LSU_ASIC
CHIP-1
MFP
Thermistor
Main Scan/
Sub scan
timing control
Motor control
PCU
S/S
ECKL
HSYNC
LVDS/Dri
ve
r
ECLK
HSYNC
VSYNC_M/Y
Image transfer CK
HSYNC
8
ECLK
HSYNC
VSYNC
8
ASIC
CHIP-2
ASIC
CHIP-2
SYSCLK
PCU I/F
Register etc...
ASIC
CHIP-2
SCK
RSV_DAT
TRANS_RST
TRANS_DAT
ASIC
CHIP-2
JOBEND_INT
Interruption output
Clock synchronous serial communication
Thermistor output
Oscillator
(System CK)
PCU_TRG
Print trigger input
AMP
Reset input
Hardware reset
35:5
35:5
ID[0:0]
Channel A: K1 circuit
Channel B: K2 circuit
Channel C: C1 circuit
Channel D: C2 circuit
PCU I/F
Register etc...
ID[0:1]
I2C
ROM
I2C
ROM
I2C bus
ASIC
CHIP-2
Hardware reset
ASIC
CHIP-2
SCK
RSV_DAT
TRANS_RST
TRANS_DAT
Clock synchronous serial communication
Interruption output
System CK
ECLK
HSYNC
8
8
35:5
35:5
FPD-LINK/R
e
ci
ve
r
Print trigger chain
LD
BD
Polygon
control
PGM_CK
PGM_START
(PGM_BREAK)
PGM_LOCK
Polygon
motor
LSU
FAN
FAN
FAN control
FAN_PWM
FANSTABLE
I2C BUS
O.C.
O.C.
O.C.
Serial
D/A
Serial transfer
DA_CLK
DA_DT
DA_LD
DA_LD
Vref YMCK x2
Serial
D/A I/F
LD control
LD control
(APC etc...)
nSHMY x2
LD_ENB MY
O.C.
LDERR YMCK
DT_M1+-
3
3
8
4
2
2
VIDEOIF_ACT
DT_M2+-
2
DT_Y1+-
2
DT_Y2+-
2
FPD-LINK/R
e
ci
ve
r
DT_K1+-
2
DT_K2+-
2
DT_C1+-
2
DT_C2+-
2
Motor control
Polygon
control
FAN control
Serial
D/A I/F
LD control
LD control
(APC etc...)
LD_CHK 1/2/3/4
4
ASIC
CHIP-2
BD
AKM_SCK
AKM_SDT
AKM_SDT
2
O.C.
nSH KC x2
LD_ENB KC
LD5V
4
2
AKM_SDCLK
BD
AKM_CS_CMYK
4
AKM LDD serial communication
nSHB MY x2
4
AKM_APCSEL_CMYK
nSHB MY x2
nSHB KC x2
nSHB KC x2
Reserve circuit for LDD made by AKM
nSHB KC x2
Oscillator
(Color CK)
Oscillator
(Monochrome CK)
Oscillator
(Heavy paper 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
TH
AKM_RESET_LDD
Channel A: M1 circuit
Channel B: M2 circuit
Channel C: Y1 circuit
Channel D: Y2 circuit
PIC
3
ASIC
CHIP-2
VSYNC_K/C
VSYNC_K/C
4
LD5V
Reset IC
Main Scan/
Sub scan
timing control
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