Samsung PS-50C7HR Service Manual page 67

10-1-2 MICOM
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Power
MICOM
Signal
T E S T 2 0 2
*
1
X R E F
D O W N L O A D _ S D A S D A 0
1 2 X R E F
D O W N L O A D _ S C L S C L 0
1
3
R E S E T M C I O M _ R E S E T
1 4 X R E F
U 2 0 1 S W _ P O W E R
X R E F
1 5
G N D
1
D G N D
R 0 2 0 0 1 0 o 0 h m
R I _ C N T R
X R E F 1 1 / 0 W
R 0 2 0 1 1 0 0 o h m
M C I O M _ R E S E T
X R E F 1 1 / 0 W
A 3 3 .
C 2 1 4 1 0 0 n F
A 5 V
C I 2 0 4
M 2 C 4 3 - 2 W M N 6 T 4 7 .
1 8
E 0 V C C
T P 2 0 2 E E P R O M _ W P
2 7 1
E 1 W / C R 2 5 7
3 6
E 2 S C L
1 0 0 o h m
4 5
V S S S D A
1 0 0 o h m
R 2 5 8
C 2 1 5
C 2 1 6
1 0 0 n F 1 u F
C I 2 0 5 D G N D
F S T 3 1 2 5 M X
1 4 1
V C C O / E 1
1 3 2 R 2 7 4 1 0 o h m
/ O E 4 1 A M A N I _ K E Y _ N I P U T 1
1 0 h o m R 2 7 7 1 0 o h m X R E F
R 2 7 6 1 2 3 X R E F
M A N I _ S C L _ E E P R O M 4 A 1 B K E Y _ N I P U T 1
1 1 4
S C L _ E E P R O M 4 B O / E 2
R 2 7 9 R 2 8 0
1 0 o h m 1 0 5 1 0 o h m
/ O E 3 2 A M A N I _ K E Y _ N I P U T 2
R 2 8 1 9 6 X X R R E E F F
3 A 2 B K E Y _ N I P U T 2
M A N I _ S D A _ E E P R O M 1 0 o h m
8 7
S D A _ E E P R O M 3 B G N D R 2 8 2 1 0 o h m
R 2 8 3 1 0 o h m
C R X E F
B R I _ C N T R
E R 2 8 4
Q 2 0 4 4 7 K o h m
K S C 1 6 2 3 Y -
S U
C 2 2 9 1 n
5 0
R 3 1 1
1 K
R I
X R E F 1 1 /
A 3 3 . V X R E F
S D A 0
X E R F
S C L 0
X 2 0 2
4 C 4 - 9 S / M 5 H 2 , 4 M H Z 1 , 6 P F
R 3 1 6 2 4 0 . M H z
1 1 / 0 W
4 7 . K o h m
D 2 0 4
K D S 1 8 4
S _ M U T E
X R E F
D 2 0 5
K D S 1 8 4
A 5 V
R 3 2 4
C 2 3 5
C 2 3 4
1 0 K o h m
1 u F 1 0 0 n F
1 1 / 0 W
D E L E T E O P I T O N
C I 2 0 9
D S 1 8 3
1
T P 2 0 3 5 V N I
1 2
5 / V R _ S T
3 3 / 3 . V
V 5 _ T O L
3 . 3 V
4
G N D P /
Samsung Electronics
M A N I _ K E Y _ N I P U T 1
X R E F
M A N I _ K E Y _ N I P U T 2
X R F E
S C 1 _ D 4 _ C O N T 1 _ D I
X R F E
S C 2 _ D 4 _ C O N T 3 _ D I
X R F E X R E F
M C I O M _ _ T U N E R _ R S T
X R E F
T U N E R _ A F T
X R E F
B 3 3 . V D _ M T X D _ M C I O M
R X D _ M C I O M
X R F E
X R E F
D T V _ A G C
L 2 0 1
1 0 u H
R 2 0 6 R 2 0 7
2 2 K o h m 1 0 K o h m
C 2 0 4
R 2 1 4
2 2 u F
3 6 . K o h m R A 2
R 2 4 5
X R E F
R I _ D T V
B 3 3 . V D _ M
1 0 0 o h m
0 o h m
X R E F
R I _ C N T R
R 2 2 1
Q 2 0 2
C 2 0 7
5 0 V
X R E F
1 n F
R I D G N D
2 N 7 0 0 2 L
1 2
3 4 R A 2 0 6
X R E F 5 6 1 0 0 o h m
C I I _ D T V _ S E L
7 8 1 1 / 6 W
C O M P _ D T V _ S E L X R E F
1 K o h m R 2 3 0
M A N I _ M
1 0 0 o h m R 2 3 4
R 2 3 6 1 0 0 o h m
X R E F
S O U N D _ S E L 3
X R E F R 2 3 8 1 0 0 o h m
C O N T R O L 2
R 2 4 0 0 o h m
0 o h m
C I 2
X 2 0 1
R 2 4 1
H C 4 - 9 S / M 5 H 1 ( 0 M H z 3 , 0 p p m )
M 3 0 8 4
X R E F
1 0 0 . M H z R E S E T N
1 0 0 o h m
R 2 0 5
X R E F
P C _ V _ S Y N C
1 2
X R E F
N I T #
X R E F 3 4 R A 2 1 0
S O U N D _ S E L 1
5 6 1 0 0 o h m
X R E F
S O U N D _ S E L 2
X R E F 7 8 1 1 / 6 W
D I E N T _ H P
1 2
V
X R E F 3 4 R A 2 1 2
S D A _ S T V 8 2 5 7
X R E F 5 6 1 0 0 o h m
M A N I _ S D A _ E E P R O M
R 2 5 4 R 2 5 5 X R E F 7 8 1 1 / 6 W
M A N I _ S C L _ E E P R O M
3 3 . K o h m 3 3 . K o h m
R 2 5 3
K o h m
X R E F
S C L _ E E P R O M
R X E F
S D A _ E E P R O M
R 2 5 9
Q 2 0 3
1 0 0 o h m
K S C 1 6 3 2 Y -
X R E F
R 2 6 1 1 0 K o h m L V D S _ E N R 2 6 2 1 0 0 o h m
C X R E F
B 8 2 5 7 _ R E S E T
E R X E F
S C L _ S T V 8 2 5 7
1 0 0 o h m
R 2 6 3
T P _ 2 0 1
1
T P _ S C L
1
T P _ S D A
1
R 2 7 1 1 0 o h m
T P _ G N D D O W N L O A D _ S C L K
1 1 R 2 7 3 1 0 o h m
D O W N L O A D _ B U S Y R 2 7 5 1 0 o h m
1
D O W N L O A D _ E P M
1 R 2 7 8 1 0 o h m
D O W N L O A D _ C E
X R F E
D O W N L O A D _ T X D
1
D O W N L O A D _ R X D
1
B 3 3 . V D _ M
A 3 3 . V
R A 2 1 4 R A 2 1 5
4 7 . K o h m 4 7 . K o h m
1 1 / 6 W 1 1 / 6 W
B _ M C I O M
C 2 2 7
C 2 2 8
1 6 V
2 2 u F
1 0 0 n F
1 6 V
D G N D
1 2 X R
3 4 R A 2 1 6
5 6 1 0 0 o h m X R
0 o h m
R 3 0 7 7 8 1 1 / 6 W
X R
R 3 0 8
1 2
3 4 R A 2 1 7
0 o h m
5 6 1 0 0 o h m X R
X R
7 8 1 1 / 6 W
X R
F
V
X R
1 2
1 3 3 3 4 R A 2 1 8 X R
o h m 2 V Y S N C ( I - ) 2 3 P 1 . P / W M 1 3 2 5 6 1 0 0 o h m
P . 0 N I / 0 T 0 3 P 0 . P / W M 0
0 W 1 2 3 3 1 7 8 1 1 / 6 W
P . 0 / 1 N I T 1 P 7 . 2
R A 2 1 9 C I 2 0 7
3 4 4 3 0 1 2 X R
S D A ( T ) 1 S / D A ( 0 ) 2 P 6 . 2
5 6 1 0 0 o h m 5 S 3 F 8 6 6 B 2 9 3 4 R A 2 2 0 X R
S L C ( K ) 1 S / C L ( 0 ) 2 P 5 . 2
7 8 1 1 / 6 W 6 2 8 5 6 1 0 0 o h m X R
V D D 1 P 4 . 2
7 2 7 7 8 1 1 / 6 W
V S S 1 P 3 . 2
8 2 6 1 0 0 o h m R 3 1 2 X R
X O U T P 2 2 .
9 2 5 1 0 0 o h m R 3 1 3
X N I P 1 . 2
1 0 2 4 0 o h m R 3 1 4 1 1 / 0 W X R
T E S T P 0 . 2
1 1 2 3 1 0 0 o h m R 3 1 7
P 0 2 . T / M 2 C A P 1 P 3 . A / D 3
1 0 0 o h m R 3 1 9
C 2 3 3
R L Z 5 6 . B T - E 1 - 1
1 6 V
1 0 0 n F
B 3 3 . V D _ M A 3 3 . V
1 2 X R E F D I E N T _ A V 1
3 4 R A 2 2 1
K E Y _ N I P U T 1
5 6 1 0 0 o h m X R E F
K E Y _ N I P U T 2
7 8 1 1 / 6 W X R F E
X R E F
L E D _ R E D
X R E F
S U B M C I O M _ R E S E T
4 A S T / R .
8
3 . 3 V N I U 2 0 2
7 1
_ R S T 6
_ T O L
5
B R S T
R 3 2 5
0 o h m
1 1 / 0 W
A 5 V
H D M _ I 5 V
P C _ 5 V
D D C _ V C C
D 2 0 2
K D S 1 8 4
R 2 0 1
1 K o h m
M C A D ( : 0 ) 7
D D C _ W P
X R E F
C
R 2 0 2 4 7 . K o h m
B
1 1 / 0 W
E Q 2 0 1
K S C 1 6 2 3 Y -
D G N D
D N _ I R E S E T
X R E F
B U S Y
X R E F
B 3 3 . V D _ M B 3 3 . V D _ M A 3 3 . V
1 0 o h m R A 2 0 4 R A 2 0 1 5 R 0 2 1 0
0 o h m
1 0 K o h m
1 1 / 0 W
L 2 0 2
C 2 0 2 1 n F
1 0 u H
0 3 C 2 0 3 5 1 n 0 V F
5 0 V
R 2 2 0 R 2 1 9
3 3 . K o h m
4 7 . K o h m
C 2 0 6
D G N D 2 2 u F
R 2 2 3
1 6 V R 2 1 8
3 3 . K o h m 4 7 . K o h m
R 0 2 1 2 R 2 2 2
4 7 . K o h m 4 7 . K o h m
D G N D
4 7 o h m R 2 2 6
X R E F
0 o h m R E S E T _ N I
R 2 2 7 X R E F
S D A 0 M C A 0 (
0 o h m R 2 2 8
X R E F
S C L 0
0 o h m R 2 2 9
X R E F S D A 1
0 o h m R 2 3 1
X R E F
1 2 S C L 1
C I O M M C ( A ) 0
R A 2 0 7 3 4 1 0 o h m M C ( A ) 1
5 6
M C ( A ) 2
7 8 M C ( A ) 3
1 2
M C ( A ) 4
R A 2 0 8 M C A 0 ( 2 : ) 1
3 4 1 0 o h m
0 2 M C ( A ) 5
5 6 M C ( A ) 6
0 S G P 7 8 M C ( A ) 7
R 2 4 4 1 0 o h m
M C ( A ) 8
R A 2 0 9 1 2 1 0 o h m
M C ( A ) 9
3 4 M C A 1 ( ) 0
5 6
M C A 1 ( ) 1
7 8 M C A 1 ( ) 2
R A 2 1 1 1 0 o h m
1 2 M C A 1 ( ) 3
3 4
M C A 1 ( ) 4
5 6 M C A 1 ( ) 5
7 8 M C A 1 ( ) 6
R 2 4 7 1 0 o h m
M C A 1 ( ) 7
R 2 4 8 1 0 h o m
M C A 1 ( ) 8
R 2 4 9 1 0 h o m M C A 1 ( ) 9
R 2 5 0 1 0 h o m
M C A 2 ( ) 0
R 2 5 1 1 0 o h m M C A 2 ( ) 1
R 2 5 2 0 o h m
D E L E T E O P I T O N
R 2 5 6 1 0 o h m
R 2 5 0
R 2 5 1
1 M
R 2 5 2
R 2 5 6
R 2 6 0 1 0 o h m
C S 1
1 1 / 0 W X R E F
1 0 o h m
R 2 6 5
C E
1 0 o h m R 2 6 6
X R E F C S N
X R E F
O E
1 0 o h m R 2 7 0 X R E F
M C I O M _ R X D
X X R R E E F F
M C I O M _ T X D
A L E
4 7 o h m
R 2 7 2 X R E F
D E L E T E O P I T O N
B 5 V _ V C C
B 3 3 . V D _ M
R 2 9 2 R 2 8 6
R 2 9 0
4 7 . K o h m 4 7 . K o h m 1 0 K o h m
R 2 8 7
R 2 9 3
1 0 K o h m
4 7 . K o h m
R 2 9 1
4 7 . K o h m
Q 2 0 5
X R E F
S C L 2
2 N 7 0 0 2 L
Q 2 0 7 X R E F
S D A 2
2 N 7 0 0 2 L
X R E F S C L 2 _ 3 3 . V
X R E F S D A 2 _ 3 3 . V
B 3 3 . V D _ M
E F
M U T E _ H P R 2 0 4
4 7 . K o h m
E F
H D M 1 I _ D E T 4 7 .
E F
D I E N T _ S D I E _ A V
C 2 4 1
C 2 4 0
2 2 u F 1 0 0 n F C I 2 1 0
D I E N T _ P C
1 6 V 2 5 V 7 4 L C X 1 5 7 M X
E F
D I E N T _ C O M P 2
E F
D I E N T _ C O M P 1 1 6 1
V C C S E L
E F 1 5 2
/ O E 1 D 0
1 4 3
4 D 0 1 D 1
1 3 4 R 2 3
D I E N T _ S D I E _ S V H S
4 D 1 1 / Q
E F 1 2 5 R 2 3
4 / Q 2 D 0
1 1 6
3 D 0 2 D 1
E F 1 0 7 R 2 3
U A R T _ S E L 3 D 1 2 / Q
3 3 o h m R 2 8 5 9 8
M C I O M _ R X D
3 / Q G N D
X R E F
E F
S V P _ R E S E T
E F
M C I O M _ R E S E T
E F
H D M _ I H O T _ P L U G _ A
E F
M U T E _ A M P
E F
S W _ P O W E R
F L A
D E L E
D E L E
B 3 3 . V D _ M
M C A 0 ( 2 : ) 1
D E L E T E O P I T O N
C 2 0 9
1 0 0 n F
C 2 0 8
1 0 u F
D E L E T E O P I T O N 1 6 V
2 : ) 1
R 2 3 2
0 o h m
D O W N L O A D _ C E X R E F
O E
X R E F X R E F
R E S E T N
R 2 3 9 X R F E
0 o h m B U S Y
C S N C I 2 0 3
D E L E T E O P I T O N
X R E F
7 4 L C X 2 4 5 M T C X
2 0 1
V C C D R I
1 9 2
/ O E A 1
1 8 3
B 1 A 2
1 7 4
B 2 A 3
1 6 5
B 3 A 4
1 5 6
B 4 A 5
1 4 7
B 5 A 6
1 3 8
B 6 A 7
1 2 9
B 7 A 8
1 1 1 0
B 8 G N D
S V P D ( : 0 ) 7
C I
M
C 2 2 0 1 0 0 n F 1
2
B 3 3 . V D _ M B 5 V _ V C C
R 2 9 4
3
K o h m
C 2 2 1 1 0 0 n F 4
R 2 0 3
R 2 9 5 5
4 7 . K o h m 1 0 K o h m 6
R 2 9 6 R 2 9 7
7
4 7 . K o h m 1 0 K o h m
U A R T _ S E L 8
X R E F
L O G C I _ T X D Q 2 1 2
X R E F R 2 9 8
M C I O M _ T X D
3 0 o h m X R E F 0 o h m
5 0 o h m
2 N 7 0 0 2 L
7 0 o h m X R E F
L O G C I _ R X D R 2 9 9
Q 2 1 1 0 o h m
2 N 7 0 0 2 L
D G N D
D G N D
Schematic Diagram
S H
T E > - R 2 2 ( 5 O N L Y 4 M F L A S H )
T E > - R 2 4 2
M C A 0 ( 2 : ) 1
C I 2 0 1
M C A D ( : 0 ) 7
M C A D ( ) 7
M C A D ) 6 (
B 3 3 . V D _ M
M C A D ) 5 (
B D 2 0 1
M C A D ) 4 (
2 2 . u H
M C A D ) 3 (
M C A 1 ( ) 9 M C A D ) 2 (
M C A 1 ( ) 8
M C A D ) 1 ( C 2 1 0 C 2 1 1
1 0 0 n F 2 2 u F
M C A D ) 0 (
C E
X R E F
O E
R X E F
B 5 V _ V C C
D 2 1 0 C 2 1 7 C 2 3 9
2 2 u F
B Z X 8 4 C 5 V 6 L T 1 1 0 0 n F
1 6 V
2 0 6
A X 2 3 2 E C W E
1 6
C 1 + V C C D G N D
1 5
V + G N D 1 0 0 o h m
1 4 R 2 8 8 X R E F
C - 1 T 1 O U T S E R V C I E _ A N Y _ T X
1 3 R 2 8 9 1 0 0 o h m
X R E F
C 2 + R 1 N I S E R V C I E _ A N Y _ R X
1 2
C - 2 R 1 O T U
1 1
- V T 1 N I
1 0
T 2 O U T T 2 N I
9
R 2 N I R 2 O T U
D G N D
10-2