JVC FS-SD7 Schematic Diagrams

1-17
FS-SD5/FS-SD7/FS-SD9
BD3861FS-X (IC501) : Audio sound control
1. Pin layout
2. Block diagram
3. Pin function
0dB~
-70dB
Vcc/2 Vcc/2
Vcc/2
Vcc/2
Vcc/2
Vcc/2
Treble1
f0=10kHz
Treble2
f0=10kHz
Middle2
f0=1kHz
Middle1
f0=1kHz
Bass1
f0=90Hz
Bass2
f0=90Hz
0dB~
-59dB
0dB~
-59dB
Vcc/2
25k
25k
25k
25k
25k
25k
25k
25k
25k
25k
25k
25k
25k
25k
25k
25k
25k
25k
25k
25k
100k
12k
24k
Vcc/2
Vcc/2
Logic
Vcc/2
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117
32 18
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
A1
A2
B1
B2
C1
C2
D1
D2
E1
E2
MIC
FIL
GND
DATA
CLK
Vcc
OUT2
BASS21
BASS22
OUT1
BASS11
BASS12
MID11
MID12
MID21
MID22
TRE2
TRE1
VOL1
VOL2
GOUT2
GOUT1
CH1 input pin A
CH2 input pin A
CH1 input pin B
CH2 input pin B
CH1 input pin C
CH2 input pin C
CH1 input pin D
CH2 input pin D
CH1 input pin E
CH2 input pin E
Microphone input pin
Filter pin
Ground pin
Serial data latch receiving pin
Serial clock receiving pin
Power supply pin
CH2 output pin
CH2 bass filter setting pin
CH2 bass filter setting pin
CH1 output pin
CH1 bass filter setting pin
CH1 bass filter setting pin
CH1 middle filter setting pin
CH1 middle filter setting pin
CH2 middle filter setting pin
CH2 middle filter setting pin
CH2 treble filter setting pin
CH1 treble filter setting pin
CH1 input volume input pin
CH2 input volume input pin
CH2 input gain output pin
CH1 input gain output pin
Pin
No.
Symbol SymbolFunction Function
Description of major ICs

JVC FS-SD7 Specifications

General

Brand	JVC
Model	FS-SD7
Category	Speaker System
Language	English