Block Diagrams, Testpoint Overviews, and Waveforms
EN 23
SHA2.0U LA
6.
Supply Voltage Overview
RECTIFIER(5.7V)
FEED B.
CONTROL IC
TRANSFORMER
REG(2.5V)
CONTROL A
LPF
5.7V
C Z 1
100V - 240V
D B 1 - 4
L 1
L 2
F 1
A C
D C
1
2
3
4
T 2
I C 2
I C 3
I C 0 2
I C 0 3
L 4
D 1 1
14
15
12
11
9
10
8
4
7
3,4,5
6
4,5
RECTIFIER(24V)
24V
D 1 1
Q 3
D 0 9
RECTIFIER(12V)
LPF
L 5
D 1 2
CONTROL B
12V
Q 4
D 0 8
POWER_ON
5
6
7
8
1
2
4
3
P O W E R S U P P L Y
F 1
2 4 V
2 4 V
H V b o a r d
L N 3
N 4
B A 5 0
M C U + 5 V
( T O N 9 )
5 V 7 _ U V
L N 2
N 1 6
M P 1 5 8 0
N 3 0
M P 1 5 8 0
5 V 5 _ 3 V 3
( T O N 1 4 , N 1 0 )
A M P _ 1 2 V
( T O N 8 )
L V D S _ 5 V
N 2 6
A O 4 8 0 1
V L C D
( T O L C D T F T )
5 V 5 _ O U T
N 2 1
A Z 1 0 8 6
I C + 1 V 8
( T O N 1 0 )
L N 2
U 2
T P S 6 0 4 0 0
- 5 V C C A
N 3
B A 5 0 B C 0
5 V C C A
N 3 5
N J M 4 5 8 0
N 1
M S P 3 4 2 0 G
V 5 A 1
L 5 0
N 6
A Z 1 0 8 6
V C C _ 1 V 8
N 5
B A 5 0 B C 0
5 V
N 1 4
T V P 5 1 4 7
T O T V F 1
T V T U N E R
L C D T F T
1 2 V
T O D V D
M A I N B O R A D
D
E
A
