Samsung S1000 Service Manual page 42

9-3 IC & TR Internal Diagrams
9-3-1 Main
TEA6320T : FIC1
Vcc
GND
9 X 220 nF
I
L
I
MO
I
R
NJM074 : SIC1
-INPUT
+INPUT
Samsung Electronics
8.2 nF
20 k
C
KVL 220 nF
10 8
100 F
+ 21
31
POWER
SUPPLY
2
VOLUME I
+20 to -31 dB
+
19
LOUDNESS
LEFT
47F
16
15
13
11
SOURCE
14
SELECTOR
VOLUME I
+20 to -31 dB
22 LOUDNESS
RIGHT
20
18
17
C
KIN
23 25
C
220 nF
KVL
8.2 nF 20 k
V+
V-
2.2 k
3.3 nF
5.6 nF
150 nF
9 7 6 5
MUTE
FUNCTION
ZERO CROSS
DETECTOR
BASS TREBLE
LEFT RIGHT
15 dB 12 dB
LOGIC
BASS TREBLE
RIGHT RIGHT
15 dB 12 dB
TEA6320
24 26 27 28
5.6 nF
150 nF
33 nF
2.2 k
Cm
fast mute
10 nF
12
VOLUCE II
3
0 +to -55 dB
BALANCE
FADER REAR
VOLUME II
4
0 to -55 dB
BALANCE
FADER FRONT
32
IIC BUS
1
REC
VOLUME II
29
0 to -55 dB
BALANCE
FADER FRONT
VOLUME II
O to -55 dB
30
BALANCE
FADER REAR
OUTPUT
Block Diagrams
SCL
SDA
9-3