KD-SX991R / KD-SX911R
1-16
BA3880FS-X(IC181) : BBE
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
CTL
CTL
VCA
VCA
+
+
HI MID
+
+
+
+
-
+
+
+
+
+
+
+
+
+
+
-
LO
LO
HI
MID
HPF
LPF
HPF
LPF
GND
DETR
DEFR
CTL
VCAR
MIXR
OUTR
INR
APFR
HPFR
LPFR
BIASC
DETL
DEFL
Vcc
VCAL
MIXL
OUTL
INL
APFL
HPFL
LPFL
1. Pin layout & Block Diagram
2. Pin Functions
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Pin
No.
Pin
No.
Symbole Function Symbole Function
GND
DETR
DEFR
CTL
VCAR
MXIR
OUTR
INR
APFR
HPFR
LPFR
BIAS
Grounding terminal
Peak level detector output for treble VCA control
Control signal time constant terminal
Control signal input terminal
Treble CA output terminal
Output MIX amplifier summing terminal
Signal output terminal
Signal input terminal
Input inversion amplifier output terminal
HPF output terminal
LPF output terminal
Reference voltage output terminal (1/2 Vcc)
LPF output terminal
HPF output terminal
Input inversion amplifier output terminal
Non connector
Signal input terminal
Signal output terminal
Output MIX amplifier summing terminal
Treble CA output terminal
Power supply terminal
Control signal time constant terminal
Non connector
Peak level detector output for treble VCA control
LPFL
HPFL
APFL
INL
OUTL
MIXL
VCAL
VCC
DEFL
DETL
Description of major ICs
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w
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1
6
3
.
c
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m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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