Samsung PN42A450P1D, Service Manual, Page: 73 / 76

Schematic Diagram
7-8 Samsung Electronics
COMPONENT1(VIDEO 1)
DEBUG
SOUND_SEL1
(VIDEO1)
AUDIO_OUT
SEL_H:COMP1
SEL_L:COMP2
DVI SOUND INPUT
SOUND_SEL0
(VIDEO1)
COMPONENT2
CLOSE TO IC6002 #8
(VIDEO 1)
2 1
C6038D
2 1
C6040D
2
1
3
0
0
6
D
B
9 8 7 6 5 4 3
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
2
2
9
1
8
1
7
1
6
1
5
1
4
1
3
1
2
1
1
1
0
1
1
2
0
0
5
A
J
3
0
0
6
C
0
5
0
6
C
0
4
0
6
C
6
0
0
6
R
5
0
0
6
R
8
2
0
6
R
6
2
0
6
R
1
6
0
6
R
0
6
0
6
R
C6037
C6035
C6033
C6031
C6001
C6028
1
4
0
6
C
9
3
0
6
C
0
2
0
6
C
C6048
C6049 C6019
C6018
9 8
7
6
5
4
3
2
16
15
14
13
12
11
10 1
IC6001
R6012
R6011
5
0
0
6
C
1
0
0
6
D
B
0
1
0
6
D
4
1
0
6
R
1
1
0
6
D
5
1
0
6
R
TP6008
TP6007
6
0
0
6
C
9
0
0
6
C
C6008
C6007
C6017
R6035
C6016
R6034
R6032
R6033
5
1
0
6
C
4
1
0
6
C
L6007
L6008
D6025
D6023
TP6022
TP6021
TP6020
TP6014
TP6015
4
2
0
6
D
R6024
9
0
0
6
R
1
4
0
6
R
4
1
0
6
D
C6043
1
1
0
6
C
3
1
0
6
C
6
1
0
6
R
3
0
0
6
D
4
0
0
6
D
L6001
4
0
0
6
C
2
2
0
6
D
6
0
0
6
D
9
3
0
6
R
C6024
7
1
0
6
D
R6003
7
1
0
6
R
L6005
9 8
7
6
5
4
3
2
16
15
14
13
12
11
10 1
IC6003
2
1
0
6
D
R6022
R6021
R6030
TP6018
TP6009
R6019
9
1
0
6
D
C6034
C6047
C6025
6
1
0
6
D
R6031
0
4
0
6
R
L6002
2
0
0
6
D
TP6017
0
2
0
6
D
R6025
TP6006
8
1
0
6
R
C6032
5
1
0
6
D
1
2
0
6
D
TP6012
TP6003
TP6019
8
4
0
6
R
9
2
0
6
R
2
0
0
6
C
L6006
L6003
R6007
1
0
0
6
D
8
1
0
6
D
3
1
0
6
D
7
0
0
6
D
R6045
0
1
0
6
R
C6046
TP6001
TP6004
TP6005
TP6002
C6044
C6027
R6051
R6001
R6002
R6004
R6023
TP6013
R6055
R6036 R6046
2
5
0
6
R
9
0
0
6
D
L6004
TP6010
TP6011
7
4
0
6
R
3
4
0
6
R
R6057
3
1
0
6
R
5
0
0
6
D
C6029
C6023
R6038 R6050
C6030
C6036
8
0
0
6
D
R6020
BD6002
R6053
C6026
R6008
7
2
0
6
R
9
8
7
6
5
4
3
24
23
22
21
20
2
19
18
17
16
15
14
13
12
11
10
1
IC6004
4
4
0
6
R
0
1
0
6
C
8
7
6
5
4
3
2
1
IC6002
C6021
6
5
0
6
R
C6022
R6037
5
4
0
6
C
TP6016
R6054
C6042
2
4
0
6
R
2
1
0
6
C
V
0
5
V
0
5
COMP_SR_IN
B5V_TUNER
FGND
FGND
F
u
0
1
V
0
1
F
u
0
1
V
0
1
V
0
1
H
T
G
0
3
C
3
S
D
C
H
T
G
0
3
C
3
S
D
C
10uF
COMP2_SR_IN
COMP2_SL_IN
COMP2_PR
COMP2_PB
COMP2_Y
COMP1_SR_IN
COMP1_SL_IN
COMP2_PB
COMP2_Y
COMP1_PR
COMP1_PB
COMP2_SR_IN
COMP_PR
COMP_PB
TL062CDT
V
8
4
V
8
4
10UH
V
8
4
H
T
G
0
3
C
3
S
D
C
V
2
.
8
2
.
8
Z
L
R
2
.
8
Z
L
R
V
2
.
8
2
.
8
Z
L
R
V
2
.
8
10UH
V
8
4
V
8
4
V
2
.
8
2
.
8
Z
L
R
10UH
V
8
4
2
.
8
Z
L
R
V
2
.
8
10UH
2
.
8
Z
L
R
V
2
.
8
2
.
8
Z
L
R
V
2
.
8
V
8
4
H
T
G
0
3
C
3
S
D
C
V
8
4
H
T
G
0
3
C
3
S
D
C
H
T
G
0
3
C
3
S
D
C
V
8
4
V
8
4
2
.
8
Z
L
R
V
2
.
8
2
.
8
Z
L
R
V
2
.
8
V
8
4
10UH
2
.
8
Z
L
R
V
2
.
8
V
2
.
8
2
.
8
Z
L
R
COMP2_IDENT
M_SL_OUT
VIDEO1_IDENT
CDS3C30GTH
48V
H
T
G
0
3
C
3
S
D
C
H
T
G
0
3
C
3
S
D
C
H
T
G
0
3
C
3
S
D
C
H
T
G
0
3
C
3
S
D
C
H
T
G
0
3
C
3
S
D
C
COMP1_Y
COMP1_SR_IN
P
I
H
C
_
D
A
E
B
10UH
10V
M_SR_OUT
10V
F
u
0
1
10uF
COMP2_SL_IN
M_SL_AMP
10uF
10V
10V
10uF 10V
10uF 10V
10uF
10V 10uF
10uF 10V
10V
10UH
W
6
1
/
1
M
H
O
K
7
.
4
M
H
O
K
7
.
4
W
6
1
/
1
DEBUG_WALL_TX
DEBUG_WALL_RX
SP3232EEY
M_SR_AMP
COMP1_IDENT
74HC4052D
COMP_SEL
COMP_SL_IN
M_SL_OUT
DVI_SR_IN
DVI_SL_IN
M_SR_OUT
COMP2_PR
10uF
0OHM
0OHM
M
H
O
K
7
4
M
H
O
K
7
4
M
H
O
K
7
4
M
H
O
K
7
4
M
H
O
K
7
4
M
H
O
K
0
0
1
100KOHM
M
H
O
K
0
0
1
M
H
O
K
0
0
1
M
H
O
0
0
1
M
H
O
0
0
1
100OHM
100OHM
100OHM
100OHM
100OHM
10KOHM
10KOHM
10KOHM
10KOHM
10KOHM
10KOHM
10KOHM
100PF
F
P
0
0
1
V
0
5
V
0
5
F
P
0
0
1
F
P
0
0
1
V
0
5
0.56nF
50V
0.56nF
50V
F
n
0
0
1
V
6
1
F
n
0
0
1
V
6
1
V
6
1
F
n
0
0
1
100nF 16V
16V
100nF
100nF 16V
16V 100nF
100nF 16V
100nF 16V
100nF 16V
16V
1NF
50V
1NF
12Kohm 12Kohm
F
P
0
3
3
F
P
0
3
3
M
H
O
5
7
10uF
F
P
0
3
3
V
0
5
F
P
0
3
3
V
0
5
M
H
O
5
7
F
P
0
3
3
V
0
5
1UF
6.3V
75OHM
M
H
O
5
7
75OHM
6.3V
1UF
75OHM
M
H
O
5
7
F
P
0
3
3
V
0
5
33KOHM
M
H
O
5
7
10uF 10V
75OHM
75OHM
75OHM
33KOHM
M
H
O
5
7
6.3V
1UF
33KOHM
6.3V
1UF
33KOHM
M
H
O
K
2
2
M
H
O
K
2
2
M
H
O
K
2
2
M
H
O
K
2
2
470OHM
16V
100nF
F
u
0
1
V
0
1
V
0
1
F
u
0
1
A
1
0
-
5
1
-
B
J
U
FGND FGND
FGND
FGND
FGND
FGND
FGND FGND
FGND
FGND
FGND
FGND
FGND
FGND
FGND
FGND
FGND
FGND
FGND
FGND
FGND
FGND
FGND
FGND
FGND
B8V
FGND
FGND
FGND
A3.3V
FGND
FGND
FGND
FGND
FGND
FGND
FGND
2
.
8
Z
L
R
V
2
.
8
10UH
FGND
48V
CDS3C30GTH
BEAD_CHIP
P
I
H
C
_
D
A
E
B
COMP_Y
FGND
V
6
1
F
n
0
0
1
B5V_TUNER
COMP1_SL_IN
10V
M
H
O
K
3
3
33KOHM
470OHM
FGND
10V
100OHM
100nF
50V
10NF
FGND
COMP_SEL
COMP1_Y
COMP1_PB
M
H
O
K
7
4
M
H
O
K
7
4
M
H
O
K
7
4
COMP1_PR
BA7657F
FGND
50V
FGND
10uF
50V
10KOHM
100PF
50V
100PF
50V
C!-
C2+
C1+
V+
R1OUT
T1OUT
R1IN
T1IN
C2-
V-
R2OUT
T2IN
T2OUT
R2IN
VCC
GND
HD2IN
HD1IN
ROUT
HDOUT
VD2IN
CTL
BOUT
VIDEOIN
SYNCOUT
VCC
GOUT
VDOUT
G2OUT
GND
GND
B1IN
B2IN
GND
GND
R2IN
VD1IN
G1IN
HDSYNC
R1IN
IN2+
VEE
OUT2
VCC
IN2-
IN1+
IN1-
OUT1
0Y
2X
VSS
VEE A
B
/EN
2Y
3X
1Y
X-COM
1X
0X
3Y
Y-COM
VDD
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7-2-6 EXTERNAL_INOUT/DVI SOUND/DEBUG
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