Technics SX-PR603 Service Manual page 100

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