Technics SX-KN6500 Service Manual page 107

SCHEMATIC DIAGRAM-29
E
CPL CIRCUIT
+5D
C5
CN3 6.3V220
+5D
1
DATA
2
SCK
3
CPRST
4
E
5
SUMR
6
SUML
7
E
8
ROUT
9
LOUT
10
AFT
11
EXP
12
E
13
+5D
R36
10K
F
R37
CN4 100K
JOYY
1
JOYX
2
MOD
3
BEND
4
E
5
E
6
E
7
+5D
8
C10
0.1
F
R41
100K
R42 F
100K
R43
F
100K
VR1
20K
APC
SEQUENCER
VOLUME
IC1
M37471M2196S
(8BIT MICROCOMPUTER)
+5D
VDD
22
C1
0.1
VSS
21
X1
EF0EC4004T3
XIN
19
R1 F
33K
XOUT
20
F
R3
100
25
RST
C2
+5D
0.1
VREF
R4
F
100
18 VREF
C4
6.3V47
10 ID
R5 R6
10K 10K
SIN
5
SOUT
4
CLK
3
C6 C7
47P 47P
29
CNTR1
1 1
2 2
3 3
VR2
5K
MAIN
F
R7
VOLUME
1K
R8
F C8 C9
1K
0.1 0.1
+5D
AD0
11
F R38
R10 F
10K
1K
12
AD1
F R9
C12
1K
0.1
C11
AD2
0.1 13
F
R40
100K
R39 F
14
AD3
100K
F
R11
1K
AD4
15
R12 F
1K
R44
C13 C14
100K F AD5
16
0.1 0.1
VREF
F
R13
100K
17 AD6
C15 C16
0.1 0.1
PERFORMANCE PADS
R14 D23 S23
10K
+5D
S0
23
D24 S24
R15
10K
S1
24
R16
10K
S2
42
R17
10K
S3
1
R18
10K
S4
26
R19
10K
S5 27
R20
10K
S6 28
R21
10K
S7
2
+5D
Q1
2SA830STPB
R22
10K
CM0
9
Q2
2SA830STPB
R23
D126
10K
CM1
8
Q3
2SA830STPB
R24
10K
CM2
7
Q4
2SA830STPB
R25
10K
CM3
6
Q5
2SA830STPB
R26
10K
CM4
30
CM5
31
+5D
C17
0.1
14
VCC
IC2
HD74LS07P
GND
(HEX BUFFER)
7
SEG5
39
SEG4
38
SEG3
37
SEG2
36
SEG1
35
SEG0
34
SEG6
40
SEG7
41
SEG8
32
SEG9
33
D15 S15 D7 S7
3 2 1
D16 S16 D8 S8
6 5 4
D130
F
F F F F F
R32 R31 R30 R29 R28 R27
68 68 68 68 68 68
2 4 6 8 10 12
1 3 5 9 11 13