JVC MX-GT90 - Page 47

MX-GT90
1-47
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12
13
14
10
9
8
7
15 16 27
26
25
23
24
6
30
1
29
5
3
4
2
2221
201928
18
17
L-IN1
L-IN2
L-IN3
L-IN4
R-IN1
R-IN2
R-IN3
R-IN4
MUXOUT
INR
TREBLE(R)
MIN(R)
MOUT(R)
BIN(R)
BOUT(R)
CREF
AGND
Vs
ROUT
DIG-GND
SDA
SCL
LOUT
BOUT(L)
BIN(L)
MOT(L)
MIN(L) TREBLE(L)
INL
MUXOUT
VOLUME
VOLUME
TREBLE
TREBLE
MIDLE
MIDLE
SPEAKER
ATT
RIGHT
SPEAKER
ATT
LEFT
BASS
BASS
SUPPLY
G
G
I C BUS DECODER LATCHES
2
0/30dB
2dB STEP
INPUT
MULTIPLEXER
GAIN
CSL
DIG GND
TREBLE(R)
TREBLE(L)
MIN(L)
MOUT(L)
BOUT(L)
BIN(L)
BOUT(R)
BIN(R)
MOUT(R)
MIN(R)
INR
MUXOUTR
INL
SDA
CRE
Vs
AGND
ROUT
LOUT
R-IN4
R-IN3
R-IN2
R-IN1
L-IN1
L-IN2
L-IN3
L-IN4
MUXOUTL
TDA7439
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2
3
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TDA7439 (IC436) : Control volume
1.Pin layout
2.Block diagram