Samsung MM-18 Service Manual page 44

mm18(10) 3/23/98 4:17 PM
LC72362N : UIC1
TDA7439 : QIC501
Samsung Electronics
Page 9-5
11
L-N1
100K
12
L-N2
100K
13
G
L-N3
100K
14
L-N4
100K
0/30dB
10 2dB STEP
R-N1
100K
9
R-N2
100K
G
8
R-N3
100K
7
R-N4
INPUT MULTIPLEXER
100K
GAIN
15 16 26 25 23
27
R
VOLUME TREBLE MIDDLE BASS
2
I CBUS DECDER + LATCHES
VOLUME TREBLE MIDDLE BASS
R
17 18 20 19 20 21
24
R
SPKR ATT
L OUT
LEFT
6
30
SCL
1
SDA
29
DIGGND
5
SPKR ATT
R OUT
RIGHT
Verf
3
V
3
4
R
AGND
2
22
Block Diagrams
9-5