Read Sharp MX-M550U / MX-M620U (serv.man2) Service Manual online
MX-M550/M620/M700 CIRCUIT DIAGRAM / 回路図 4 - 3
SYSBUS64EN
"H"
"L"
64bit
32bit
SYSCMD3
SYSCMD6
SYSCMD5
SYSCMD4
SYSCMD0
SYSCMD2
SYSCMD1
SYSCMD8
SYSCMD7
MD24
MD57
MD63
MD8
MD50
MD40
MD44
MD10
MD60
MD1
MD15
MD47
MD46
MD19
MD33
MD23
MD54
MD41
MD11
MD16
MD49
MD56
MD17
MD4
MD18
MD52
MD61
MD59
MD55
MD45
MD22
MD14
MD38
MD5
MD13
MD62
MD32
MD12
MD6
MD26
MD28
MD30
MD58
MD51
MD31
MD48
MD53
MD0
MD37
MD35
MD25
MD21
MD27
MD34
MD29
MD42
MD39
MD20
MD36
MD43
SDQMA4
SDQMA2
SDQMA6
SDQMA7
SDQMA1
SDQMA3
SDQMA5
SDQMA0
SYSAD29
SYSAD15
SYSAD14
SYSAD24
SYSAD3
SYSAD30
SYSAD13
SYSAD62
SYSAD9
SYSAD37
SYSAD58
SYSAD41
SYSAD26
SYSAD25
SYSAD53
SYSAD45
SYSAD23
SYSAD36
SYSAD5
SYSAD4
SYSAD27
SYSAD57
SYSAD2
SYSAD7
SYSAD11
SYSAD21
SYSAD55
SYSAD52
SYSAD63
SYSAD19
SYSAD28
SYSAD8
SYSAD32
SYSAD60
SYSAD46
SYSAD20
SYSAD50
SYSAD48
SYSAD6
SYSAD10
SYSAD22
SYSAD39
SYSAD43
SYSAD33
SYSAD42
SYSAD44
SYSAD47
SYSAD16
SYSAD51
SYSAD18
SYSAD56
SYSAD31
SYSAD38
SYSAD54
SYSAD34
SYSAD12
SYSAD40
SYSAD35
SYSAD49
SYSAD17
SYSAD59
SYSAD61
SYSAD1
SYSAD0
MD2
MD3
MD7
MD9
SYSCMD[8:0]
4
SYSAD[63:0]
4,7
NMI_DR
1,23
CPURST
1,9,10,16,18,20,23,25
DRCLK
21
PONRST
9,10,11,22,23,30
COLDRST
1,8,23,28
VCCOK
1,23
SDQMA[7:0]
6
3_EXTRQST
1,23
DRINT
1,23
RDY
1,23
3_VALIDIN
1,23
3_VALIDOUT
1,23
3.3V
ICT1543
ICT1003
ICT660
ICT1197
ICT661
ICT1562
ICT1209
ICT1561
BR20
10Ω
1
2
3
4
5
6
7
8
ICT1560
ICT1559
R1139
47
NO ASM
ICT1042
C960
100pF
NO ASM
ICT663
BR10
10Ω
1
2
3
4
5
6
7
8
C974
1000pF
ICT181
ICT476
ICT477
ICT2069
ICT36
ICT662
ICT522
ICT
ICT1544
BR16
10Ω
1
2
3
4
5
6
7
8
ICT478
ICT
BR6
10Ω
1
2
3
4
5
6
7
8
ICT1546
IC700A
MB87R1060V94
D2
AC19
C1
AB4
E2
C3
E1
C2
AC3
N1
N2
M1
M2
L1
L2
K1
K2
J1
J2
H1
H2
G1
G2
F1
F2
AA2
AA1
Y2
Y1
W2
W1
V2
V1
U2
U1
T2
T1
R2
R1
P2
P1
M3
M4
L3
L4
K3
K4
J3
J4
H3
H4
G3
G4
F3
F4
E3
E4
Y4
Y3
W4
W3
V4
V3
U4
U3
T4
T3
R4
R3
P4
P3
N3
N4
AC18
AE19
AD18
AF19
AC17
AF18
AD17
AE17
AC16
AF17
AD16
AF13
AE12
AE16
AC15
AD15
AE14
AF14
AE3
AF3
AE4
AF4
AE5
AF5
AE6
AF6
AD3
AC4
AD4
AC5
AD5
AC6
AD6
AC7
AE7
AF7
AE8
AF8
AF9
AE9
AF10
AE10
AD7
AC8
AD8
AD9
AC9
AD10
AC10
AD11
AF24
AE24
AF25
AE25
AD25
AD26
AC25
AC26
AD21
AC21
AD23
AD24
AC23
AC24
AB23
AB24
AB25
AB26
AA25
AA26
Y25
Y26
W25
W26
AA23
AA24
Y23
Y24
W23
W24
V23
V24
AD2
AD1
AC2
AC1
AB2
AB1
AB3
AA4
AA3
AD19
AF21
AE21
AC14
AF11
AC11
AE11
AD12
AF20
AD20
AE20
AC20
AF23
AE23
D1
AE1
AE2
AE13
AD13
AF12
AC12
intr
mras1
nmi
por
ready
sysbus64en
valin
valout
vccok
sysad0
sysad1
sysad2
sysad3
sysad4
sysad5
sysad6
sysad7
sysad8
sysad9
sysad10
sysad11
sysad12
sysad13
sysad14
sysad15
sysad16
sysad17
sysad18
sysad19
sysad20
sysad21
sysad22
sysad23
sysad24
sysad25
sysad26
sysad27
sysad28
sysad29
sysad30
sysad31
sysad32
sysad33
sysad34
sysad35
sysad36
sysad37
sysad38
sysad39
sysad40
sysad41
sysad42
sysad43
sysad44
sysad45
sysad46
sysad47
sysad48
sysad49
sysad50
sysad51
sysad52
sysad53
sysad54
sysad55
sysad56
sysad57
sysad58
sysad59
sysad60
sysad61
sysad62
sysad63
mad0
mad1
mad2
mad3
mad4
mad5
mad6
mad7
mad8
mad9
mad10
mad11
mad12
mcs0
mcs1
mcs2
mcs3
mcs4
mdata0
mdata1
mdata2
mdata3
mdata4
mdata5
mdata6
mdata7
mdata8
mdata9
mdata10
mdata11
mdata12
mdata13
mdata14
mdata15
mdata16
mdata17
mdata18
mdata19
mdata20
mdata21
mdata22
mdata23
mdata24
mdata25
mdata26
mdata27
mdata28
mdata29
mdata30
mdata31
mdata32
mdata33
mdata34
mdata35
mdata36
mdata37
mdata38
mdata39
mdata40
mdata41
mdata42
mdata43
mdata44
mdata45
mdata46
mdata47
mdata48
mdata49
mdata50
mdata51
mdata52
mdata53
mdata54
mdata55
mdata56
mdata57
mdata58
mdata59
mdata60
mdata61
mdata62
mdata63
syscmd0
syscmd1
syscmd2
syscmd3
syscmd4
syscmd5
syscmd6
syscmd7
syscmd8
mras0
mcas0
mcas1
masterclk
dqm0
dqm1
dqm2
dqm3
dqm4
dqm5
dqm6
dqm7
mwe0
mwe1
exreq
cpurst
crst
bs0
bs1
cke0
cke1
ICT445
R493
0
NO ASM
ICT1545
R492
4.7K
5
5
4
4
3
3
D
C
B
A
MFP CONTROL PWB (DRACURA3 1/4) (MX-M550N/M550U/M550)
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