Technics SX-KN7000P Service Manual page 101

+3.3D
Z15 4.7Kx4
4
3
2
1
1
RESET
Z17 4.7Kx4
4
3
2
1
Z19 4.7Kx4
4
+3.3D
3
2
1
Z20 4.7Kx4
4
3
2
1
VSS 120
R28 4.7K
DSDSAT 119
R29 4.7K
DSCLK 118
R30 4.7K
MMODE 117
R31 4.7K
BMODE 116
C22 0.1
VDD 115
D16 114
D17 113
D18 112
D19 111
VSS 110
D20 109
D21 108
D22 107
D23 106
C23 0.1
VDD 105
D24 104
D25 103
D26 102
D27 101
VSS 100
D28 99
D29 98
D30 97
D31 96
C24 0.1
VDD 95
DMR0 94
DMK0 93
R25 4.7K
DMR1 92
DMK1 91
R26 4.7K
DMR2 90
DMK2 89
DMR3 88
DMK3 87
VSS 86
SYSCLK 85
DSC1 84
DSC0 83
VREF5V 82
VDD 81
C25 0.1
C20 0.1
1 XIN
8 XOUT
6 FRSEL
R27
1K
X1
C18
H0J160500026
0.1
C19 C21
15P
15P
+3.3D
+3.3D
R21
5
5 4.7K 1
1 4
4 2
2
IC7
IC5 3
R23
T7SZ32FUT85L
3
TC7SH02FU
470
+3.3D
+3.3D
Z21 4.7Kx4
5 D(0) 8 1 D(16) C28 0.1
6 D(1) 7 2 D(17)
7 D(2) 6 3 D(18)
8
8 D(3) 5 4 D(19)
VCC
Z22 4.7Kx4
5 D(4) 8 1 D(20)
6 D(5) 7 2 D(21) GND
7 D(6) 6 3 D(22) 4
IC8
8 D(7) 5 4 D(23)
TC7W08FU
Z23 4.7Kx4
5 D(8) 8 1 D(24)
6 D(9) 7 2 D(25)
7 D(10) 6 3 D(26)
8 D(11) 5 4 D(27)
R37
Z24 4.7Kx4 330
5 D(12) 8 1 D(28)
6 D(13) 7 2 D(29)
7 D(14) 6 3 D(30)
8 D(15) 5 4 D(31)
C30
470P
D(16)
D(17)
D(18)
D(19)
D(20)
D(21)
D(22)
D(23)
D(24)
D(25)
D(26)
D(27)
D(28)
D(29)
D(30)
D(31)
+5D
C26
0.1
7
R36
VDD
47
SSCLK 5
S1 3
S2 4
VSS
2
IC6
C0ZBZ0000667
Z14
100x4
4 5
3 6
2 7
1 8
R33
0
SX-KN7000 MAIN 1/5 SCHEMATIC DIAGRAM (1/2)
+3.3D
C29 0.1
14
VCC
IC8 IC8
GND
TC7W08FU TC7W08FU
7
IC9
TC74VHC08F
+3.3D
5
1
4
2
IC10
TC7SH08FUTL
3
IC9
TC74VHC08F
1
3
2
IC9
TC74VHC08F
4
6
5
IC9
TC74VHC08F
9
8
10
IC9
TC74VHC08F
12
11
13
IC22
TC7W08F
1
7
2
IC22
TC7W08F
5
3
6
+3.3D
C42 0.1
8
VCC
GND
4
IC22 +3.3D
TC7W08F
C31
0.1
R42 0
8
VCC
1 CK PR 7
2 D CLR 6
3 Q Q 5
GND
4
IC11
TC7WH74FUTL
(D-FLIP FLOP)