Technics SX-KN7000P Service Manual page 149

SCHEMATIC DIAGRAM-10
+5D
51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80
R430
50 P44/C50
4.7K
49 P45
A
48 P46
B
47 P47
C
46 P50
45 P51/WRH/BHE
D
44 P52
43 P53/BCLK
R431
42 P54/HLDA
4.7K
41 P55
R432
40 P56/ALE
4.7K
39 CLK
38 P60/CTS0/RTS0
A
37 P61
B
36 P62
C
35 P63
R433
34 P64/CTS1/RTS1/CTS0/CLKS1
100
33 P65/CLK1
32 P66/RX01
31 P67/TX01
30 29 28 27 26 25 24 23 22 21 20 19 18
D
+5A
28 27 26 25 24 23 22 21 20 19 18 17 16
IC406
PCM1734EB-EZ2
(D/A CONVERTER)
1 2 3 4 5 6 7 8 9 10 11 12 13 14
C
D
IC485
IC485
TC7W00FUTL
TC7W00FUTL
1
A 7 5
2 3
6
R429
100
B
P07 81
P06 82
P05 83
P04 84
P03 85
P02 86
P01 87
P00 88
P107/AN7/KI3 89
P106/AN6/KI2 90
IC407
C2CBGF000150
P105/AN5/KI1 91
(CPU)
P104/AN4/KI0 92
P103/AN3 93
P102/AN2 94
P101/AN1 95
AVSS 96
P100/AN8 97
VREF 98
AVCC 99
P97/ 100
ADTRG/SIN4
C451
0.1
17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
A
C461 R455
50V1 8.2K
C462 R456
50V1 8.2K
15 1 2 3 4 5 6 7 8 9 10 11 12
IC410
PCM1800E-T1
(A/D CONVERTER)
24 23 22 21 20 19 18 17 16 15 14 13
Z402
100x4
+5D
DU7
DU6
41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64
DU5
DU4
DU3
DU2 40 P30/RST
DU1 39 P31
DU0 38 P32
37 P33/DMAOUT
36 P34/XAOUT
35 P35/STNCOUT
34 P36/WR
Z401
47x4 33 P37/RD
A 8 1
32 UTXD2
B 7 2
C 6 3 31 URXD2
D 5 4
30 P82/CTS2/SRX0
29 P83/RTS2/STX0
R449
R462 47
470 E
28 UTXD1
F
C455 R541 27 URXD1
16V10 4.7K
26 P86/CTS1
25 P87/RTS1
C453 C454
0.1 0.1
24 23 22 21 20
C452 C450
0.1 0.1
C
D
R444
33K
C444
150P
C439 R460 R441
C446
50V1 4.7K 6.8K
6 50V1
- 7 E
5
C441 +
0.001 IC411
TC7WU04FUTL
IC409
M5218AFPE3
7 1
(OP.AMP)
IC411
R443 TC7WU04FUTL
33K
5 3
C443
150P
C440 R461 R440
C445
50V1 4.7K 6.8K
50V1
2
- F
1
3
+
C442
0.001
IC409
M5218AFPE3
(OP.AMP)
IC409
M5218AFPE3
(OP.AMP)
P74/OBF1 65
P73/IBF1/WLDA 66
P72 67
P71//HOLD 68
P70 69
USB+ 70
USB- 71
EXT.CAP 72
IC408
C2BBGE000618
VSS 73
(USB CPU)
VCC 74
DU7
P67 75
DU6
P66 76
DU5
P65 77
DU4
P64 78
DU3
P63 79
DU2
P62 80
19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
DU1
DU0
I
+5D
8
C465
0.1 VCC
IC411 GND
TC7WU04FUTL
4
+3.3D
IC411
TC7WU04FUTL
C267 IC413
1000P TC7WH74FUTL
2 6
D401
8
C468
MA304-TX
L401 0.1 VCC
G1C5R8J00003 7 PR CK 1
6 CLR D 2
R459
C464 C466 R458
0.001
68P 15P 47K
5 Q Q 3
GND
4
+15A +5D
C437
0.1
8 8
VCC VCC
IC405 C428
TC7W00FUTL
0.1
C475
GND GND
0.1
4 4
-15A
SX-KN7000 MAIN 5/5 SCHEMATIC DIAGRAM (2/2)
A
USBM.TX
B
MIDI.RX
C
USB.WAITM
D
USB.WAITH
E
USB.SI
F
USB.SO
G
DAC MDI
R450
0
F
A
R447 33
D+
R448 33
C459 R452
33P 1.5K
D-
C456 C460
0.1 50V2.2
VM1
C469
0.001
24MHz
C
MAINL
D
MAINR
E
USB DA L
F
USB DA R