Table of Contents
Advertisement
Power Part
1
D
!
!
T 2 A L
2 5 0 V
C O N 1
L
F1
1
L1
1
1
L
2
2
3
C1
3
4
0.22UF 275V
4
2
N
1
2
2 2 2
4 0 0 V
C4
2 2 2
4 0 0 V
C3
!
C7
2 2 2 P F
4 0 0 V
C
!
AC Input: 100---240Vac
Input Frequency: 47HZ--63HZ
B
Output Requirements :
Output Vol.
Max. Load(mA)
20---1200
S5V
S12V
47---1500
UC12V
3
9V
12
A5V
140
D5V
240
3.4V
400---1000
5
STB
A
+5V
25
-24V
3
F-
140ac
F+
140ac
1
46
2
!
1 0 E
2 A
R T1
!
1 N4 0 05
Z D1
3
D4
1 N4 0 05
D1
R1
P 6 K E 2 0 0
2 K 2
2 W
C2
C 13
C8
4
D2
D3
4 7 P
1 K V
1N4005
1N4005
68UF 400V
D5
U F 4 0 0 7
!
C5
C6
3 3 0 0 P F
4 0 0 V
3 3 0 0 P F
4 0 0 V
!
D pi n3
!
C pi n1
M1 T OP223
!
SW1
3
4
S pi n2
!
Pt=30W
R2
4 7
1 / 4 W
C 10
!
4 7 U F
1 6 V
S w i t c h
P o w e r
2
3
4
!
H E R 3 0 2
T 1 B YB YQDVD868
D7
AABB
L2
9
17
20uH
3A100V
1 0 0 0 U F
R7
R 17
56T
2 K 2
2 K 2
1 / 4 W
R 17
12T
C 27
Open
Open
1 0 E
1 / 4 W
C 15
2 2 2
1 0 0 V
C9
C 14
1 0 0 0 U F
1 6 V
S R 3 6 0
D8
L3
16
3 0 P
1 K V
Short
C 16
6T
6
1 0 0 0 U F
1 0 V
18 , 15
C 17
!
5T
U F 4 0 0 4
D9
1 0 0 0 U F 1 0 V
14
3
14T
M5 7812
13
C 20
D6
U F 4 0 0 7
D10
1 0 0 U F
2 5 V
U F 4 0 0 4
26T
1 0 0 U F
5 0 V
1
U F 4 0 0 7
D11
C 21
R 15
C 22
12
2 2 0 -
1 / 4 W
1 0 K
U F 4 0 0 4
10
D 12
C 25
5T
2 2 0 U F 1 0 V
11
X ' F M R
P C 8 1 7
4 7 0 E
1 / 8 W
M2
R 16
R4
O p e n
C 12
R3
!
1 K
1 / 8 W
1 0 4
5 0 V
R6
M3
C 11
1 . 0 5 K
T L 4 3 1
1 0 U F 1 6 V
R5
1 K
!
FO R L CD
Inp ut
S u p p e r
S c h e m a t i c
7812 out put
3
4
5
+S12V
V C C
4
T O
+ 1 2 V
B
P i n 1 2
T O
C
1 K
R9
1 6 V
R8
P i n 1 4
P i n 1 3
T O
B
1 K
M4
G N D
P i n 1 1
2 S C 4 2 4 2
Q2
+5V
short
P i n 3
T O
B
5.2--5.3V
R10 OR Open
2 K
1 / 8 W
C 18
C 19
1 0 0 0 U F
1 0 V
4 7 0 U F
1 0 V
P i n 1
P i n 2
R 11 OR Open
M4
2 K
1 / 8 W
3 8 5 2
+12V
Q1
P i n 5
T O
B
+3. 6V
4 K 7
1 / 8 W
R 12
C 24
P i n 7
4 7 0 U F
1 0 V
C 27
C 23
R 13
P i n 6
2 2 U F
5 0 V
1 0 0 U F
M4
1 04
1 2 K
1 / 8 W
1 6V
R 14
5 0V
1 / 4 W
3 V
1 / 2 W
Z D3
Z D2
C 26
2 2 V
1 / 2 W
2 2 U F
5 0 V
A
F OR V FD
C
AA
TI P 42
Q4
+5 V
1 %
1 / 8 W
R 18
R 19
3 3 0E 1 / 4W
1 0K 1 / 8W
1 %
1 / 8 W
R 20
4 . 7K 1 / 8W
Q3
2S C1 8 15
M6
7 8 0 8
C OMPANY
Out put
1
3
2
文 件编号
8V TO LCD
GND
SHEET: 1
SHEET 1 OF 1
DESIGN
5
6
D
C N3
S12V
4
4
3
GND
3
2
2
GND
1
1
+5V
8
S 1 2V
T O 1 2V
7
1 2V
6
A G ND
5
A 5V
4
D G ND
3
D 5V
2
3 . 4V
1
S TB
C
C N4
C N 2
1
S TB
2
+ 5V
3
- 2 4V
+ 8V
4
G ND
G ND
5
F+
6
F-
B
BB
+5V
R 21
1 0K 1 / 8W
STB
G V G
文 件名称
G V-D P A 868
A
版 本号
DATE
C HECK B Y
DRAW N
AP PR OVED B Y
6
Advertisement
Table of Contents
