Sharp MX-6500N / MX-7500N (serv.man30) Service Manual ▷ View online
MX-7500N BLOCK DIAGRAM / ブ ロ ッ ク図 1 – 4
SCANNER CONTROL PWB (2/2)
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MX-7500N BLOCK DIAGRAM / ブ ロ ッ ク図 1 – 5
4. OPERATION UNIT / オペレーシ ョ ンユニ ッ ト
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㼏㼔
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Touch
panel
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㻸㻱㻰
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㻴㻻㻹㻱
㻸㻱㻰
Buzzer
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MX-7500N BLOCK DIAGRAM / ブ ロ ッ ク図 1 – 6
5. MFP CONTROL PWB / MFP コ ン ト ロール PWB
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MX-7500N BLOCK DIAGRAM / ブ ロ ッ ク図 1 – 7
6. LSU CNT PWB
LSU CNT PWB (1/2)
LSU_ASIC
CHIP-2
LSU_ASIC
CHIP-1
SCN
Mother
Thermistor
Motor control
PCU
8
PCU I/F
Register
etc...
SCK
RSV_DAT
TRANS_RST
TRANS_DAT
JOBEND_INT_Y
Clock synchronization serial communication
Thermistor output
PCU_TRG
Print trigger input
AMP
Reset IC
Reset input
Hard reset
35:5
ID[0:0]
ID[0:1]
I2C
ROM
I2C
ROM
I2C BUS
ASIC
to CHIP-2/3/4
Hard reset
SCK
RSV_DAT
TRANS_RST
TRANS_DAT
Clock synchronization serial communication
JOBEND_INT_M
System CK
HSYNC/ECLK
35:5
Print trigger chain
LD
Polygon
control
control
Fan
control
I2C BUS
DT_Y1+-
3
2
DT_Y2+-
2
DT_Y3+-
2
DT_Y4+-
2
FPD-LINK/Reciver
Motor control
Polygon
control
Fan
control
Serial
D/A I/F
LD control
LD control
(APC etc.)
(APC etc.)
Oscillator
(CK for 330mm/s)
Oscillator
(CK for 300 or 360mm/s)
Oscillator
(CK for 220mm/s)
OSCCLK_C
OSCCLK_M
OSCCLK_A
CLK_C_EN
CLK_M_EN
CLK_A_EN
TH
nVSYNC_M
8
DT_M1+-
2
DT_M2+-
2
DT_M3+-
2
DT_M4+-
2
ASIC
to CHIP-2/3/4
ASIC
from CHIP-2/3/4
LSU_ASIC
CHIP-3
BD
PCU I/F
Register etc...
Channel A: M1 circuit
Channel B: M2 circuit
Channel C: M3 circuit
Channel D: M4 circuit
Channel A: Y1 circuit
Channel B: Y2 circuit
Channel C: Y3 circuit
Channel D: Y4 circuit
Main scanning,
Sub scanning
timing control
System CK
HSYNC/ECLK
nVSYNC_Y
Serial
D/A I/F
LD control
LD control
(APC etc.)
(APC etc.)
Print trigger chain
BD
MFPC
Or
EFI
Thermistor
2
Thermistor output
AMP
TH2
4
MSET_M/Y
4
2
P4_Y_AK1(ENB)
P4_Y_AK2(ENB)
P4_Y_AK2(ENB)
MicroWire BUS
SCLK/TXD/RXD
3
Chip select(EEP-ROM)
CS EEP-ROM K/C/M/Y
8
Chip setect(LDD)
CS K/C/M/Y
8
2
P4_M_AK1(ENB)
P4_M_AK2(ENB)
P4_M_AK2(ENB)
JOBEND_INT
JOBEND_INT_M
JOBEND_INT_C
JOBEND_INT_K
nJOBEND_INT_Y
nJOBEND_INT_M
nJOBEND_INT_C
nJOBEND_INT_K
nINT STM/Y
P3_M_AK1
P3_WAIT_AK1
P3_M_AK2
P3_WAIT_AK2
nSEL_ADJ_M
P3_ADJ
P3_Y_AK1
P3_WAIT_AK1
P3_Y_AK2
P3_WAIT_AK2
nSEL_ADJ_Y
P3_ADJ
Main scanning,
Sub scanning
timing control
FPD-LINK/Reciv
er
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