Panasonic SX-KN2600P Service Manual page 72

CN106
+5D
+3.3D
E F G H
C121
0.1
9 20 21 22 23 24
VSS
25
A8 26 I
A9 27 J
A10 28 K
A11 L
29
A12 30 M
A13 31 N
A14 32 O
C128
SWAP
33
0.1
VDD 34
VSS 35
CSE 36
NC
37
NC 38
NC 39
VSS 40
6 45 44 43 42 41
C123
0.1
T R Q
TO C CPC 1/2 CIRCUIT
(CN1) ON SCHEMA TIC
DIA GRAM 11
1 2 3 4 5 6 7
BEND
C124
C129
0.1
0.1
C125
0.1
C126
47P
TOC.SNS
CP.CLK
CP.DATA
CP.GATE
SUST
H CPRST
C132
MRX
0.1
MTX
C133 100p
C134 100p
C135 100p
C136 100p
C131
0.1 R129
47
SD.WP
SD.BUSY
SD.SI
2SB0709ARL
Q105
Q106 +3.3D
2SB0709ARL
I
5
1
4
2
3
IC108
C0JBAA000115
A
B
C
D
E
F
G
H
I
IC105
C0JBAZ001264
+5D DUAL 3 STATE
BUFFER
1 VCC 8
G1
R122 R123
R120
A1 G2
4.7K 4.7K 2 7
47
Y2 Y1
3 6
4 GND A2 5
R121
47
C127
47P
GND VCC
R124
IC106
1 2 3 4 5
10K
C0JBAZ000514
SCHMITT
R125 TRIGGER
C130
+5D
100 INVERTER
0.01
D+
D-
+3.3D
R130 0
+3.3D
+3.3D
R137 4.7K
R133 4.7K
R134 4.7K
R132
4.7K
SX-KN2600 MAIN 2/5 SCHEMATIC DIAGRAM
+3.3D
+5D
R126 R127
4.7K 4.7K
IC107
C0JBAZ001264
DUAL 3 STATE
BUFFER
1 VCC 8 +5D
G1
2 A1 G2 7
Y2 Y1
3 6
+5D
Q103
4 GND A2 5
UNR51100L
R128
4.7K
Q104
UNR521600L
IC109
C0JBAZ000853
(16BIT BUS BUFFER)
+3.3D
C137
+3.3D
0.1
7 18 31 42
VCC(3.3V)
1 1OE 3OE 25
48 2OE 4OE 24
D(31)
47 1A1 1Y1 2
D(30)
46 1A2 1Y2 3
D(29)
44 1A3 1Y3 5
D(28)
43 1A4 1Y4 6
D(27)
41 2A1 2Y1 8
D(26)
40 2A2 2Y2 9
D(25)
38 2A3 2Y3 11
D(24)
37 2A4 2Y4 12
D(23)
36 3A1 3Y1 13
D(22)
35 3A2 3Y2 14
D(21)
33 3A3 3Y3 16
D(20)
32 3A4 3Y4 17
D(19)
30 4A1 4Y1 19
D(18)
29 4A2 4Y2 20
D(17)
27 4A3 4Y3 22
D(16)
26 4A4 4Y4 23
GND
4 10 15 21 20 34 30 45
IORST
CN110
+5D
1
+3.3D
2
+3.3D
3
JIGU.CS
4
JIGU.SD
5
JIGU.CLK
6
JIGU.SI
7
JIGU.ON
8
SNS
9
DE
10
DE
11
SNS
JIGU.SI
JIGU.CLK
JIGU.SD
JIGU.CS
D(0-31)
MIDI.TX
USBMTX
MIC.SNS
MIDI.RX
DSP EMPTY
DSP DRDY
LCD.IOCS
WE3
WE2
RE
LCD.CS
CD.WAIT
BUSCLK
PWM
IRQ0
A(0-24)