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
13
14
15
16
17
18
19
20
21
22
23
24
Pin
No.
Pin
No.
Symbole
Function
Symbole
Function
GND
DETR
DEFR
Grounding terminal
Peak level detector output for treble VCA control
Control signal time constant terminal
Output MIX amplifier summing terminal
Input inversion amplifier 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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9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
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