Technics SX-PX554, Service Manual

Page: 48 / 87

20
19
18
17
16
15
14
13
12
AD
11
10
9
8
7
6
5
4
3
2
1
0
VSS VSS
VCC BYTE
CE
DE
AD21
15
14
13
12
11
DT
10
9
8
7
6
5
4
3
2
1
0
44
23 33
13 32
43
2
3
34
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25
27
29
31
1
14
12
16
30
28
26
24
21
19
17
15
1 2 3 4 5 6 7 8
VCC GND
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0 D0
D1
D2
D3
D4
D5
D6
D7
CE
WE
DE
VCC GND
1
26
2
23
21
24
25
3
4
5
6
7
8
9
10 11
12
13
15
16
17
18
19
20
27
22
14 28
+5D
C55
0.1
H
G
F
E
D
C
B
A
H
G
F
E
D
C
B
A
O
N
M
L
K
J
I
H
G
F
E
D
C
B
A
H
G
F
E
D
C
B
A
O
N
M
L
K
J
I
A
B
C
H
G
F
E
D
C
B
A
P
O
N
M
L
K
J
I
R
Q
S
T
H
G
F
E
D
C
B
A
P
O
N
M
L
K
J
I
R
Q
S
T
H
G
F
E
D
C
B
A
P
O
N
M
L
K
J
I
H
G
F
E
D
C
B
A
P
O
N
M
L
K
J
I
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
VSS VSS
VCC BYTE
CE
DE
AD21
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
44
23 33
13 32
43
2
3
34
35
36
37
38
39
40
41
42
4
5
6
7
8
9
10
11
18
20
22
25
27
29
31
1
14
12
16
30
28
26
24
21
19
17
15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0 D0
D1
D2
D3
D4
D5
D6
D7
CE
WE
DE
VCC GND
1
26
2
23
21
24
25
3
4
5
6
7
8
9
10 11
12
13
15
16
17
18
19
20
27
22
14 28
+5D
C48
0.1
A
B
C
C56
+5D
C57
R200
0
0.1
0.1
C51
2SC1815TPE2
R202
D32
MA1039HTR
220
0.1
+5D
R201
0
C49
+5D
C50 0.1
0.1
A
B
C
1 2 3 4 5 6 7 8
VCC GND
R210
C58
Q9
+5D +3.3
+5D
R211
A
B
C
0.001
0.001 C92
E1
C95
IC11
LH5P832N-10
IC12
QSIGX3C64002
IC17
LH5P832N-10
IC18
QSIGX3C64003
(64MBIT MASK ROM)
IC20
IC14
AD
DT
(256KBIT PSEUDO STATIC RAM)
(256KBIT PSEUDO STATIC RAM)
(64MBIT MASK ROM)
TC7W08FTE12L
0
0.1
0
TC7W08FTE12L
(DUAL 2-INPUT AND GATE)
(DUAL 2-INPUT AND GATE)
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