Technics SX-KN7000P Service Manual page 143

SCHEMATIC DIAGRAM-4
+5D
Q103
UN511NTX
+3.3D
47K
R152
4.7K 4.7K
Q104
R137
UN5216
4.7K
+5D
4.7K
h
g
C142
0.1
+3.3D
+3.3D
Q102
5
UN511NTX
i 1 2
47K
C155 IC105
3
4.7K
0.1 TC7S14FT85L
R134 C149
10K 0.1
VW1
C156 C161 C160 C159
100P 100P 100P 100P
+3.3D
+3.3D
R140 4.7K
R148
0
R141 4.7K
R142 4.7K
Q105 Q106
2SB709ARTX 2SB709ARTX
R146 4.7K
+3.3D
f
LCD.WAIT
d
FDC DRQ
a
FDC TC
b
FDC INT
c
FDC DACK
e
FDC CS
i
TDS.SNS
g
CR.DATA
C143
R138 h
0.1 CR.CLK
4.7K
CN103
R133
47 C145
47P
R136 R135 R132
100 10K 47
C151 C146
+3.3D -15A +15A
0.01 47P
CN104
C152 C153 C154
0.1P 0.1P 0.1P
IORST
CN105
C158 C163 C162 C165 C164
100P 100P 100P 100P 100P
D-
D+
VIDEO OUT
+3.3D
C157
0.1
7 18 31 42
VCC(3.3V)
1 1OE 3OE 25
48 2OE 4OE 24 PORT.EXP
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
IC106
C0JBAZ000853
(16BIT BUS BUFFER) 4 10 15 21 20 34 39 45
D(0-31)
MIDI.TX
USBM.TX
MIC.SNS
MIDI.RX
WE3
WE2
RE
LCD.CS
A(0-25)
a
SD.W0
b
SD.WR0
c
SD.POW
SX-KN7000 MAIN 2/5 SCHEMATIC DIAGRAM (2/2)
1 5D
2 3.3D
3 DATA
4 CLK
5 RST
6 DE
7 EXP
8 AFT
1 +15A
2 -15A
3 AFT
4 DE
5 DE
1 AVSS
2 VIDEO
3 AVSS
4 DE
5 DE
6 D-
7 D+
8 VW1
9 BASS
10 DE
11 DE
12 MTX
13 MRXI
14 EXP
15 FS2
16 FS1
17 FC2
18 FC1
19 FC4
20 FC3