Technics SX-PR603

VSS
MIOCS
NHWR
MLWR
MRD
NMCS
MWAIT
VDD
MPUCLK
VSS
MPUSEL
MRESET
VSS
NBNE
A0 A1 A2 A3 A4 A5 A6
VSS
GND
A8
A9
A10
A11
A12
A13
A14
SWAP
VDD
VSS
CSE
NC
NC
NC
VSS
NC
VSS
1OE
2OE
3OE
4OE
1A1
VCC(3.3V)
1A2
1A3
1A4
NC
VDD
UD7
UD6
UD5
UD4
UD3
UD2
UD1
UD0
FLM
LP
CP
VSS
D2 D1 D0 VDD VSS D7 D6 D5 D4 D3 D10 D9 D8 VDD VSS D15 D14 D13 D12 D11 VSS VDD M LCDENB
A7
VDD
VSS
IC111
IC112
2A1
2A2
2A3
2A4
3A1
3A2
3A3
3A4
4A1
4A2
4A3
4A4
1Y1 f
1Y2
1Y3
1Y4
2Y1
2Y2
2Y3
2Y4
3Y1
3Y2
3Y3
3Y4
4Y1
4Y2
4Y3
4Y4
4
2
3
5
6
8
9
11
12
13
14
16
17
19
20
22
23
47
46
44
43
41
40
38
37
36
35
33
32
30
29
27
26
1
44
25
24
10 15 21 28 34 39 45
7 18 31 42
T74LCX16244A
(16BIT BUS BUFFER)
0.1C130
R132
4.7K
R128
4.7K
R129
4.7K
R130
0
Z112
4.7K
Z111
4.7Kx4
Z108
100x4
+3.3D
C126
M66273FP
(LCD CONTROLLER)
0.1
C127
0.1
80
79
78
77
76
75
74
73
72
71
69
70
68
67
66
65
25
26
27
28
29
30
31
32
33
34
36
35
37
38
39
40
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
C129
0.1
C131
0.1
fSRQVUXW T
GHDEBC FFGABDC E
ZYcbed a
+3.3D
N
O
K
L
I
J
M
+3.3D
+3.3D
+3.3D
e
d
c
b
a
Z
Y
X
W
V
U
T
S
R
Q
SCHEMATIC DIAGRAM-8
R131
0