Samsung PN42A450P1D, Service Manual

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Samsung Electronics
Schematic Diagram
7-11
SPEAKER JACK OPTION
A : CORAL(40) , PDP
B : CORAL(26) , JADE(L330)
R-
L-
(LOW ACTIVE)
POP NOISE SOLUTION
R+
L+
R+
L+
R-
L-
SOUND AMP
21
6
0
0
9
D
B
B
7
1
9
D
B
B
6
1
9
D
B
B
5
1
9
D
B
B
4
1
9
D
B
4
3
2
1
CN905B
B
2
6
0
9
C
B
3
6
0
9
C
BD913B
B
0
6
0
9
C
BD912B
BD911B
BD910B
B
1
6
0
9
C
TP9007
TP9006
TP9005
TP9004
TP9003
TP9002
TP9001
TP9000
Q9005
Q9004
Q9002
R9027
R9026
R9041
R9040
R9035
4
3
2
1
CN901A
C9034
8
2
0
9
C
C9033
MGND1
9 8 7
6
5
4
3 2
12
11
10
1
IC9002
R9029 R9030
C9027
C9041 C9042
BD9002
BD9001
1
0
0
9
C
R9006
R9007
R9005
R9004
2
0
0
9
C
C9004
C9006
3
0
0
9
C
C9007
8
0
0
9
C
R9009
R9011
1
D
N
G
M 9
8
7
6
5
4
36
35
34
33
32
31
30
3
29
28
27
26
25
24
23
22
21
20
2
19 18
17
16
15
14
13
12
11
10
1
IC9001
R9003
R9002
R9001
5
0
0
9
C
8
0
0
9
R
R9010
0
1
0
9
C
1
1
0
9
C
2
1
0
9
C
3
1
0
9
C
C9014
5
0
0
9
D
B
6
1
0
9
C
8
1
0
9
C
9
1
0
9
C
0
2
0
9
C
C9022
R9013 R9015
6
2
0
9
C
L9002
1
2
0
9
R0
2
0
9
R5
2
0
9
C4
2
0
9
C
5
2
0
9
R4
2
0
9
R
2
3
0
9
C1
3
0
9
C
6
3
0
9
C
0
4
0
9
C
6
4
0
9
C
9
3
0
9
C
5
4
0
9
C
A
9
4
0
9
C
A
1
5
0
9
C
BD909A
BD908A
BD907A
BD906A
5
1
0
9
C
C9017
C9021
R9012 R9014
L9001
9
1
0
9
R8
1
0
9
R3
2
0
9
C
3
2
0
9
R2
2
0
9
R
0
3
0
9
C9
2
0
9
C
5
3
0
9
C
8
3
0
9
C
4
4
0
9
C
7
3
0
9
C
3
4
0
9
C
A
8
4
0
9
C
A
0
5
0
9
C
5
0
0
9
D
4
0
0
9
D
R9037
R9038
F
N
0
0
1
SMAW250-04 WHT(P)
V
0
5
F
N
2
.
1
BEAD_CHIP
FGND
F
N
2
.
1
CN_S_004
F
n
0
0
1
V
6
1
P
I
H
C
_
D
A
E
B
BEAD_CHIP
B5V_TUNER
HP_OUT_L
BEAD_CHIP
MAX9
HP_AUOUT_R
FGND
FGND
FGND FGND
FGND
FGND
FGND
FGND
FGND
B3.3V A3.3V
FGND
B3.3V
FGND
FGND
FGND FGND
FGND
FGND
B3.3V
FGND
FGND
FGND
B3.3V
B13V_S
FGND
FGND
FGND
FGND
FGND
FGND
F
N
0
0
1
F
N
0
2
2
F
N
0
0
1
F
u
0
1 100UF
25V
47OHM
8
0
8
0
-
A
D
D
F
N
2
.
1
V
0
5
V
0
5
V
0
5
BEAD_CHIP
BEAD_CHIP
F
N
0
0
1
F
N
0
2
2
V
0
5
100OHM
3.3OHM
HP_AUOUT_L
E
T
U
M
_
P
O
P
1UF
6.3V 10KOHM
1UF
6.3V 10KOHM
V
5
2
F
u
1
1/16W
100KOHM
1/16W
100KOHM
25V
1uF
1KOHM 1KOHM
100nF
16V 10V
10uF
POP_MUTE
M_SR_OUT
M_SL_OUT
4.7KOHM
1/16W
2.2Kohm
KTC3875S-GR
KTA1505Y
V
5
7
S
W
8
4
1
4
N
1
KTC3875S-GR
8
4
1
4
L
L
V
5
7
POWER_DET
AUMCK
AUSCK
AUWS
AUSD
AMP_RESET
SDA
SCL
BEAD_CHIP
F
u
0
1
V
0
1
F
n
0
0
1
V
6
1
F
P
0
1
V
0
5
50V
100PF
0.22nF
50V
1.2NF
50V
2.2Kohm
V
6
1
F
n
0
0
1
STA335BWS
F
N
0
0
1
V
0
5
V
0
5
F
N
0
0
1
V
0
5
F
N
0
0
1
V
0
5
F
N
0
0
1
50V
330PF
47OHM
8
0
8
0
-
A
D
D
47OHM
100OHM
100OHM
100OHM
33ohm
V
6
1
F
n
0
0
1M
H
O
K
0
1
33ohm
33ohm
3.3OHM
F
n
0
0
1
V
6
1
V
6
1
F
n
0
0
1
V
0
1
V
0
5
F
N
0
0
1
25V
V
0
5
F
N
0
0
1M
H
O
2
1
M
H
O
2
1
F
N
0
0
1
M
H
O
2
1
V
0
5
M
H
O
2
1
V
0
5
F
N
0
2
2
V
5
2
F
N
0
2
2
V
5
2
F
N
0
0
1
F
N
2
.
1
CN_S_004
F
N
0
0
1
V
0
5
M
H
O
2
1
V
0
5
M
H
O
2
1
V
0
5
F
N
0
0
1
V
0
5
V
5
2
F
N
0
2
2
V
5
2
V
5
2
F
N
0
2
2
V
0
5
F
N
0
0
1
V
0
5
V
0
5
F
N
2
.
1
F
N
2
.
1
V
0
5
V
0
5
50V
330PF
47OHM
100UF
P
I
H
C
_
D
A
E
B
BEAD_CHIP
M
H
O
2
1
F
N
0
0
1
P
I
H
C
_
D
A
E
B
P
I
H
C
_
D
A
E
B
P
I
H
C
_
D
A
E
B
V
0
5
P
I
H
C
_
D
A
E
B
2.2Kohm
HP_OUT_R
F
N
2
.
1
M
H
O
2
1
F
N
2
.
1
V
0
5
V
5
2
F
N
0
0
1
V
0
5
SMW250-04
BEAD_CHIP
BEAD_CHIP
BEAD_CHIP
E
B
C
E
B
C
1
2
3
E
B
C
PVSS
/SHDN
INL
R
N
I
D
N
G
S
S
S
V
S OUTR
OUTL
VDD
D
N
G
P
P
1
C
N
1
C
TWARN/OUT4B
EAPD/OUT4A
VDD_DIG
POWRDN
GND_DIG
PLL_VDD
PLL_FILTER
PLL_GND
XTI
BICKI
LRCKI
SDI
RESET
SDA
INT_LINE
GND_DIG
VDD_DIG
SCL
GND_SUB
SA
OUT3A/DDX3A
TESTMODE
VSS
VCC_REG
OUT2B
GND2
VCC2
OUT2A
OUT1B
VCC1
GND1
OUT1A
GND_REG
VDD
CONFIG
OUT3B/DDX3B
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7-2-9 SOUND_AMP
Power