Samsung LW29A13W Service Manual page 84

10 Schematic Diagrams
10-11 AC3 (1) Part Schematic Diagram
+5V
C117
100nF
IC13
TA1101B
17
30
1 D1
A
29
2 C1
B
28
3 B1
C
A1 27
D
26
5 Z
E
25
6
Y
F
2
7
X
R7 G
23
8 W
20K R1 20K H 22
LOUT
9 V
I
10 21
J U
R8 11 20
K T
ROUT 20K R15 20K 12 19
L S
13 18
M R
1 17
N Q
15 16
O P
R17 C116
C28
2.7Kohm 100nF
1uF
R16
5.6K
+5V_IN
R172 R173
.7K .7K
1/16W 1/16W
+12V-1
IC7
TDA7050T/N3
8
R107 Vcc
33K
R108
2
7
33K
3 6
E
4
5
5.6K GND
5.6K
R118
R119
7uF
7uF
C71
C72
FRO-1
FLO-1
SRO
SLO
CO
WO
R66
R65
10K
10K
10-18
C118
C123 C131
100nF
150nF 150nF
+12V
C121
C127
150nF
150nF
C27
R12
1uF
10
C122
C129
150nF C132
150nF
150nF
L12
L13
L1
C126 C119
150nF 100nF
L15
C130 C12
150nF 150nF
C133
C120
150nF
1uF
R13
10
.7K
R9
C128 C125 C13
150nF
150nF 150nF
PC_AL
HPDR
PC_AR
HPDL
LINE_LOUT
SWOUT
LINE_ROUT
+5V_IN hdctrl
COUT
IC25
NC7SZ1 M5X
SLOUT
5
NC VCC
2
A
SROUT
3 4
GND Y
16V 16V
100uF 100uF
C188 C187
. mm
IC5 IC6
TDA7050T/N3 TDA7050T/N3
8 8
R109 R1
Vcc Vcc
33K 33K
2 2
7 R110 7 R112
33K 33K
3 6 3 6
E E
4 4
5 5
5.6K GND 5 6K 5.6K GND
R122
R120 R121
7uF
7uF 7uF
C75
C73 C7
R67 R69
R68
10K 10K R70
10K
10K
TP3
T116
T115
T112
T276
9
T278
8
T277
7
T283
6
T111
5
TP1
4
TP2
3
T289
2
T282
slcon15p
CN62
8
7
H/P-L-OUT
6
H/P-R-OUT
TP
5
TP5
TP6
3
TP7
2
1
s con8p
CN626
LOUT
ROUT
C5 10uF
C6 10uF
C7 10uF
C8 10uF
C9 10uF
C10 10uF
C C C C C C
Q5 Q6 Q7 Q8 Q9
B B B B B
R1 8 R1 9 R150 R1 1 R152 R153 2SC 2K-Q 2SC 1 K-Q 2SC2 1 K-Q 2SC2 2K-Q 2SC2 12K-Q
51K 5 51 51K 5 51K R15 R155 R156 R1 7 R1 8 R159
E E E E E E
1/16W /16W /16W 1/16W /16W 1/16W 10K 10K 10K 10K 10K 10K
1/16W 1/1 W 1 16W 1/16W 1/16W 1/16W
AC3_CTRL
5.6K
R123
7uF
C76
+12V +12V-1
C77 C100
7uF 100nF
IC8
TDA7050T/N3
L28
R117 100uH
11K
+6V-BIAS
R115
330
8
A Vcc
+6V-BIAS
2
7
3 6
C
E
4
5
D GND
C78 R116
100uF 11K
R85 C31 R20
1K .7uF 100
PC_AL 286
R8 C32 R21
1K .7uF 100
PC_AR T287
R78 C170 R77 C169
56K 330PF 56K 330PF
R83 C29 R18
1K .7uF 100
RCA_L 288
R82 C30 R19
1K .7uF 100
RCA_R P 0
R76 C168
R75 C167
56K 330PF
56K 330PF
5V_HP
IC4
TDA7050T/N3
C3 100uF
1 8
C35 100uF
A Vcc
R51 10K
7
2
B
F
R52 10K
3 6
C
E
5
D GND
C33
100uF
LINE_ROUT
LINE_LOUT
SROUT
SLOUT
+5V_IN
COUT
SWOUT
IC20
Q10
FST3257MX
2SC2 12K-Q
0 3mm 6
AC3_CTRL AC3_CTRL
2 5
3 4
LINE_ROUT SROUT
4 3
LINE_LOUT
5 2
6
LINE_ROUT SROUT
7 0
LINE_LOUT
8
9
CONFIDENTIAL
T29 PC_AL1
T29 PC_AR1
T29 RCA_L1
T293 RCA_R1
R10 10
R11 10
HPDR
HPDL
+5V_IN +5V_IN
IC21 IC22
FST3257MX FST3257MX
6 6
AC3_CTRL
2 5 2 5
3 4 3 4
COUT
4 3 4 3
SLOUT SWOUT
5 2 5 2
6 6
COUT
7 0 7 0
SLOUT SWOUT
8 8
9 9
LW29A13W/LW40A13W