LG FFH-164 Manual page 36

■ TDA7440D
DIGITALLY CONTROLLED AUDIO PROCESSOR
4
L-IN1
100K
5
L-IN2
100K
6
L-IN3
100K
7
L-IN4
100K
3
R-IN1
100K
2
R-IN2
100K
1
R-IN3
100K
28
R-IN4
100K
•
PIN CONNECTION(TOP VIEW)
MUXOUTL INL
8
VOLUME
G
0/30dB
2dB STEP
VOLUME
G
INPUT MULTIPLEXER
+GAIN
10
MUXOUTR INR
R_IN3 1
R_IN2 2
R_IN1 3
L_IN1 4
L_IN2 5
L_IN3 6
L_IN4 7
MUXOUTL 8
IN(L) 9
MUXOUT(R) 10
IN(R) 11
BIN(R) 12
BOUT(R) 13
BIN(L) 14
TREBLE(L) BIN(L) BOUT(L)
9 18 14
R
B
TREBLE BASS
2
I CBUS DECODER + LATCHES
TREBLE BASS
R
B
11 19 12
TREBLE(R) BIN(R) BOUT(R) CREF
28 R_IN4
27 LOUT
26 ROUT
25 AGND
24 V
S
23 CREF
22 SDA
21 SCL
20 DIG-GND
19 TREBLE(R)
18 TREBLE(L)
17 N.C.
16 N.C.
15 BOUT(L)
D98AU884
- 2-40 -
15
27
SPKR ATT
LOUT
LEFT
21
SCL
22
SDA
20
DIG_GND
26
SPKR ATT
ROUT
RIGHT
V
REF
24
V
S
SUPPLY 25
AGND
13 23
D98AU883