Hitachi HCUR700E, Service Manual

Page: 48 / 58

HCU-R700
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CIRCUIT DIAGRAM
SERVO Circuit (3)
IC6
TC9453F
VSS
40 28
/LCAS
29
NC
30
I/O9
31
I/O10
32
I/O11
33
I/O12
34
VSS
35
I/O13
36
I/O14
37
I/O15
38
I/O16
39
BD8 BD9 BD10 BD11 BD12 BD13 BD14 BD15
BC29
104Z
CAS BWL
+1.65V
NC
1
NC
2
DVSS
3
RO
4
DVDD
5
DVR
6
LO
7
DVSS
8
XVSS
9
XI
10
XO
11
XVDD
12
TESM0
13
TESM1
14
TESM2
15
VDD3
16
VSS3
17
VPFC
18
TEST0
19
VLPFI
20
VLPFO
21
VSS3
22
MON0
23
MON1
24
MON2
25
MON3
26
MON4
27
MON5
28
MON6
29
MON7
30
MON8
31
MON9
32
VDD3
33
NC
34
NC
35
TEST1
36
FLGA
37
FLGB
38
VSS3
39
/RST
40
/MA
41
/MRD
42
/MWR
43
/MCE
44
LPFN
133
LPFO
134
PVREF
135
VCOREF
136
VCOF
137
PVDD
138
SLCO1
139
TESM9
140
TEST2
141
RFCD
142
RFDVD
143
AVDD
144
RFCT
145
RFZI
146
TEZI
147
AWIN
148
AVSS
149
FEI
150
TEI
151
RFSB
152
RFRP
153
AVSS
154
TESM10
155
EXTAD
156
VREF
157
FOO
158
TRO
159
AVDD
160
AWCTL
161
FMO
162
DMO
163
TEBC
164
FEBC
165
DPDC
166
EQBC
167
ANMON
168
/DFCT
169
VRCK
170
VSS3
171
SCD
172
SCL
173
SCB
174
FGIN
175
NC
176
/MINT
45
MD0
46
MD1
47
MD2
48
MD3
49
MD4
50
MD5
51
MD6
52
MD7
53
VDD5
54
NC
55
NC
56
SMCK
57
VMCK
58
VDD3
59
PD0
60
VSS5
61
PD1
62
PD2
63
PD3
64
PD4
65
VSS3
66
PD5
67
PD6
68
PD7
69
PD8
70
/PSYC
71
/PDRQ
72
PDCK
73
VDD5
74
TESM3
75
DIGI
76
TESM4
77
VDD3
78
BA0
79
BA1
80
BA2
81
BA3
82
VSS5
83
BA4
84
BA5
85
BA6
86
BA7
87
BA8
88
VDD3
89
/BOE
90
/BRAS
91
/BCAS
92
/BWL
93
/BWU
94
VDD5
95
BD0
96
BD1
97
BD2
98
BD3
99
BD4
100
BD5
101
BD6
102
BD7
103
BD8
104
VSS3
105
BD9
106
BD10
107
BD11
108
BD12
109
VSS5
110
BD13
111
BD14
112
BD15
113
NC
114
NC
115
VDD3
116
PLCK
117
TESM5
118
TESM6
119
TESM7
120
TESM8
121
VSS3
122
CFC1
123
CFC2
124
PPW
125
PESV
126
PVSS
127
PESP
128
PDOP1
129
PDON1
130
PDOP2
131
PDON2
132
VCC
1
I/O1
2
I/O2
3
I/O3
4
I/O4
5
VCC
6
I/O5
7
I/O6
8
I/O7
9
I/O8
10
NC
11
NC
12
/WE
13
/RAS
14
NC
15
A0
16
A1
17
A2
18
A3
19
VCC
20
VSS
21
A4
22
A5
23
A6
24
A7
25
A8
26
/OE
27
/UCAS
IC3 M11B416256A
R118
102
R124
102
R119
OPEN
R125 274
R130
OPEN
R131
OPEN
R72
164
R73
OPEN
R133
563
R134
273
R136
204
R74 103
R75 303
R101 473
R76 103
R77 103
R78 103
R79 103
R80 103
R81 103
R82 103
R138 332
R120
OPEN
R121
OPEN
+
EC7
OPEN
+
EC8
OPEN
BC22 104Z
BC23
104Z
BC24
104Z
BC25
104Z
BC26
104Z
BC27
104Z
BC28
104Z
MD0
MD1
MD2
MD3
MD4
MD5
MD6
MD7
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
PD8
BA0
BA1
BA2
BA3
BA4
BA5
BA6
BA7
BA8
BD0 BD1 BD2 BD3 BD4 BD5 BD6 BD7 BD8 BD9 BD10 BD11 BD12 BD13 BD14 BD15
BD0 BD1 BD2 BD3 BD4 BD5 BD6 BD7 BA0 BA1 BA2 BA3
BA4 BA5 BA6 BA7 BA8
R40
0R0
R41
0R0
R42
0R0
R43
0R0
R44
0R0
BOE RAS CAS BWL BWU
BOE
RAS BWU
PD BUS
MD BUS
ATAPI
ATAPI/CPU
DSPCSN
WRN
RDN
MA8
RSTN
CPU
ATAPI/CPU
ATAPI/CPU
CPU
CPU
DSPINT CPU
R83
103
C19
153K
C21
102K
R64
472
R139
474
R84 103
R85 103
D+3.3V D+5V
R2
0R0
R5
105
C75
OPEN
C76
OPEN
R86
OPEN
R87
OPEN
R45
0R0
A+3.3V
BC30
104Z
BC31
104Z
BC32
104Z
+
EC24
6.3V100
RO
LO
AUGND
R137
223
R102
333
FG
FEP
SCD
SCL
SCB
VRCK
DFCTN
EQF
EQB
DPDB
FEB
TEB
DMO FEP
RFRP
RFSB
TEI
FEI
TEZI
RFZI
RFCT
C31 122K
C34 122K
RFI
C3
104Z
C4
104Z
C5
104Z
C6
104Z
C7
104Z
C8
104Z
C9
104Z
C35
104Z
C36
331K
C37
331K
R103
473
BC33
104Z
BC34
104Z
BC35
104Z
BC36
104Z
2
3
1
VR1
OPEN
C38
OPEN
C20
153K
C50
332K
C51
682K
C52
101K
C53
222K
+
EC11
6.3V47
A+3.3V
BC37
104Z
TR-
TR+
FO+
FO-
TM+
TM-
FM+
FM-
C12
104Z
STBN
R105
1R0
R107
103
R108
682
C39
223K
R141
1R0
R143
1R0
R144 0R0
R142
243
M+5V
BC38
104Z
BC39
104Z
C41
121K
M+5V
TMM
R111
1R0
C40
121K
FEP
FEP
FEP
FEP
FEP
FEP
CPU
CPU
FEP/CPU
CPU
FEP
FEP
FEP
FEP
FEP
FEP
FEP
FEP
FEP
FEP
FEP FEP
FEP
FEP
FEP FEP
FEP
FEP
FEP FEP
FEP FEP
FEP
FEP/CPU
ATAPI/CPU
ATAPI/CPU
ATAPI/CPU
SMCK ATAPI
PSYCN
PDRQN
PDCK
DIGI ATAPI
ATAPI
ATAPI
ATAPI
R112
473
VREF
TRO
LPFN
PESV
PLCK
FMO
LPFO
VCOF
SLCO1
AWIN
AWCTL
FLADA
FLADB
VMCK
SMCK
PSYC
PDRQ
DIGI
R132
102
AUGND
PD8
EC27
6.3V100
BC44
104Z
C29
OPEN
C28
OPEN
R165
OPEN
R168
OPEN
Q4
OPEN
Q5
OPEN
Q6
OPEN
AUGND
AMUTE CPU
FOO
+1.65V
CPU
CPU
X2
22.57MHz
XC1
220K
XC2
220K
VINFC
1
CFCe1
2
CFCe2
3
VINSL+
4
VINSL-
5
VOSL
6
VNFFC
7
PreVcc
8
PVcc1
9
PGND
10
VOSL-
11
VOSL+
12
VOFC-
13
VOFC+
14
VOTK+
15
VOTK-
16
VOLD+
17
VOLD-
18
PGND
19
VNFTK
20
PVcc2
21
PreGND
22
VINLD
23
CTKe2
24
CTKe1
25
VINTK
26
BIAS
27
MUTE
28
FIN
29
FIN
30
IC7
BA5952AFP
EC28
OPEN
R110
562
1I/O
1
1O/I
2
2O/I
3
2I/O
4
2/C
5
3C
6
VSS
7
3I/O
8
3O/I
9
4O/I
10
4I/O
11
4C
12
1C
13
VCC
14
IC9
74HC4066
A+5V
P-LOW
P-HIGH
R3
103
R51
0R0
R140
103
R183
562
R184
562
R185 103
C2
OPEN
CC7
OPEN
C
C
8
OPEN
CC11
OPEN
CC28
OPEN
+
BC43
6.3V47