Technics SX-PR1000 Service Manual page 99

SCHEMATIC DIAGRAM-8
Z111
4.7Kx4
Z108
100x4
D C A B E
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
C126
NC
78
0.1
77 VDD
76 UD7
75 UD6
74 UD5
UD4
73
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
+3.3D
Z112
4.7Kx8
R132
4.7K
R128
4.7K
+3.3D
R129
4.7K
R130
0
F G B C D E F
IC111
M66273FP
(LCD CONTROLLER)
c b a Z Y X W V U T S R Q
C130 0.1
+3.3D
7 18 31 42
VCC(3.3V)
+3.3D
1OE
1
3OE
2OE
48
4OE
47 1A1 1Y1
46 1A2 1Y2
1A3 1Y3
44
1A4 1Y4
43
41 2A1 2Y1
40 2A2 2Y2
38 2A3 2Y3
2A4 2Y4
37
3A1 3Y1
36
35 3A2 3Y2
33 3A3 3Y3
32 3A4 3Y4
4A1 4Y1
30
4A2 4Y2
29
27 4A3 4Y3
26 4A4 4Y4
GND
4 10 15 21 28 34 39 45
+3.3D
G H
C127
0.1
VSS 25
A8 26 I
A9 J
27
A10 28 K
A11 29 L
A12 30 M
A13 31 N
A14 O
32
C131
SWAP 33
0.1
VDD 34
VSS 35
CSE 36
NC
37
NC 38
NC 39
VSS 40
C129
0.1
SX-PR1000
MAIN 2/4 SCHEMATIC DIAGRAM
IC112
T74LCX16244A
(16BIT BUS BUFFER)
25
24
2 f
3 e
d
5
c
6
8 b
9 a
11 Z
Y
12
X
13
14 W
16 V
17 U
T
19
S
20
22 R
23 Q