Block Diagram - Medion B1770NSL Service Manual

MEDION

8 Block Diagram

R 9 7 1 , R 9 7 2 , Q 9 6 3 ,
Q 9 6 4 , Q 9 6 2 , Q 9 6 5
R 9 1 1 , R 9 1 2 , Q 9 0 3 ,
Q 9 0 4 , Q 9 0 2 , Q 9 0 5
R 9 4 1 , R 9 4 2 , Q 9 3 3 ,
Q 9 3 4 , Q 9 3 2 , Q 9 3 5
P901
I 5 0 1
T D A 4 8 8 6
V I D E O P R E A M P
B R G 8 V R G B
P501 I 5 0 2
M T V 0 2 1 - 2 1
O S D
B - I N
R - I N
G - I N
O / R
S C L
S C L
S D A
S D A
V S Y N C
H S Y N C
D D C 5 V
B R I G H T N E S S
C O N T R O L
L E D
C O N T R O L
S705
F A C T O R Y
A T E
S D A
S C L
N O R M A L
D D C
Q 9 6 1
V I D E O A M P
B B U F F E R &
D C R E S T O R E
Q 9 0 1
R B U F F E R &
D C R E S T O R E
Q 9 3 1
G B U F F E R &
D C R E S T O R E
P903
S D A 1
S C L 1
A B L
5 V ( O S D )
H F L B 1
V T T L
C L B L
V T T L
H T T L
S C L 1
S D A 1
R E S E T
C K T
R 7 3 5
C 7 1 0
I 7 0 1
N T 6 8 6 1 A U
R E G U L A T O R
K E Y
O F F
S T A N D - B Y
S C L
2
E P R O M
I 7 0 2
S D A I 7 0 3
2 4 C 2 1
2 4 0 4
D E G
C K T
L I N E
F I L T E R
B R I D G E
D I O D E
R
G
B
H E A T E R
G 1 G 2
I 4 0 2
Q 4 1 1
P W M C O N T R O L
F B T
T L 4 9 4 / K A 7 5 0 0 D R I V E R
Q 4 1 3
C A N C E L I N G
C K T
H D R I V E R
Q 4 0 2
D 4 0 3
C 4 0 6
T 4 0 1
B +
T D A 4 8 5 6
V O U T 1 D R I V E R
Q 4 0 5
V O U T 2
T 4 0 3
X R P
4 5 V
1 2 V
8 V
R E G U L A T O R
I503
5 V
Q I 8 0 4
4 8 V
V E R T I C A L
O / P
I 3 0 1
1 2 V
8 0 V
P O W E R
4 5 V
O / P
T 8 0 2
S M P S
1 2 V
7 V
L O W V O L T A G E
D R O P D O W N
MD 1772LB (B1770NSL/T)
4 V
1 3 0 V
4 8 V
- 1 3 0 V
T 4 0 2
F B T
G 2 C O N T R O L V R
A B L
C O N T R O L
C K T Q 4 1 8 ,
Q 4 1 9
H F L B 1
B R I G H T N E S S
C O N T R O L &
S P O T K I L L E R
P301
+ H
- H
L I N E A R I T Y
C O N T R O L
+ V
L 4 0 4 , L 4 0 5
- V
H C E N T E R
Q 4 0 6
V R 4 0 3
X R P
C K T
1 2 V S W I T C H
Q 8 1 3
Q 8 1 1
7 V
S W I T C H
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