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1 2 3 4

F1
FUSE-1 C1 CON1
CN1 U2 C17
220uF/250V 225 1
1 8 T1 7
1 S1 D1 1
2 C2 C3 R1 R2 R27 10 C18 2
2 7
3 105 105 200 200 G1 D1
4 225
Q2 C20 3 6
D 5 2222 223 R28 10 S2 D2 D
D8
6 C22
4 5 BAV99
Q1 G2 D2 22pF
DTA143 Q3
R14 R16 D4 4606 P1
2222
2K 22K BAW56K R3
1K R31
CON2
Q6 U3 C11
6 10
1 104 R35 10K
2907 1 8 T.01
S1 D1 2 820
R29 10 2 7
G1 D1
R18
560 C21 3 6 D9
223 R30 10 S2 D2
BAV99
4 5
Q4 G2 D2
P2
VCC 2222 R4
R17 D5 4606
22K 1K R32
D1 C4 BAW56K
C C5 C12 C
VREF R36 10K
104 104 R15 104
820 CON3
16

15

14

13

12

11

10
8.2V 2K




9
1 T2 7
1
Q7
VREF
A2+




E2

E1
A2-




C2
OUTPUTC

VCC
2
2907
R7 R19
120K U1 560
D10
TL494 BAV99
C23
22pF
COMP




GND
DTC




P3
A1+

A1-




CT

RT



C1


C7 R8 R5
103 47K 1K R33
CON4
6 10 C13
1

2

3

4

5

6

7

8




1 104 R37 10K
T.01 2 820
C8
C9
B D2 B
104
1N4148
223
D6 D11
C16

R21 26.1K




BAW56K BAV99
R20
Q8 C1A VREF
470K R22 R9 P1 P4
330pF




DTC143 101 R6
5.1M 47K P2 1K R34
Q1A
FS 7002 Q5 FS C14
C6 R23 R38 10K
C19 7002 R25 P5
C2A 5.1M 104 820
C3A 104 105 NC 100K P3
NC R24
1M P4
D7
R10 R12 BAW56K
160K R11 6.8K 43K
C15 R13 C10 R26

A
NC 100K 104 27K 22E9B Power Part
Organization:JEWEL TECHNOLOGY&ELECTRONIC CO.,LTD File NO:QJSB330-A
A

Title:JSI-220420 P/N: Size:AA Rev: 0.01
Approved: Checked: Prepared:
Date: 31-Mar-2009 PCB NO: Sheet 0 of 0
1 2 3 4
1 2 3 4 5 6 7 8




CON1F




N
L

2
1
! L N



D F1F U F 4 0 0 7 D
! T5AL 250V +16V
CY3F R8F R9F R59F
RV1F
D 1 0 F
D 2 F




2
1 4 D 5 6 1 1 12 47R 10 100K
! 3 3 1 / 4 0 0 V T1F Z D 2 F Q7F
L1 C 4 F
R10F
C11F R1F 10U/50V
18V R60F Q 1 0 F IN4148
NC
4




1

100U/420V C13F R27F R67F
CX1F 0 . 2 2 u / 2 7 5
5.1K




1
! 472/1KV 62K/2W 3.9K 2K
LF1F Vbb
2907
1335 2 11
C28F C 3 6 F
! ZD2F




2
CY4F R20F
18V 104
D6F 0 7 10 2222 R66F
CY4FA 5.1K F R 1 R29FA 104 4.7K
1 N 4 1 4 8 47R R33F
3




2




TH1F 3 3 1 / 4 0 0 V
3 3 1 / 4 0 0 V




3 510R




8
U1F
L 5 F Q 2 F




1
REH NCP1271 D5F R29F C16F
CX2F
6 7
Q4F 12V1
VCC N.C 47R AOD484




HV
0 . 4 7 u / 2 7 5 V 600V7.5A 9 102/1KV +12V 4A
JLC0421
P C 8 1 7 B 8 R34F
R17F R18F R25F R26F
2 FB DRV 5 C013F
C 2 1 F 15K F
C 2 4
1 M 1 M 221PF/1KV 4 D16F C 2 6 F R 3 7 F
U3FB 47R 10K C 1 7 F R 3 1 F R70F 102
R36F




470u/16V
12K1%
R16F R19F C1F R24F 5 . 1 K




GND
1 3 2010DN




K
1 M 1 M S/L CS 1000u/25V 1000u/25V C 0 2 5 F 0




C 2 3 F
102
U 2 FR




5.1K
1K
C30F 7
4




1




R53F K A 4 3 1 R35F




104
R47F C2F 221 EER2834 3.09k 1%




4
0.33R/2W R71F 104
LF2F 5.1K 104 R30FA




A
C 390K C
JLB2070 D15F 47R
! FR107
D14F ZD8F Vbb
1 2
L5 R30F
C19F
L 6 F Q 3 F
L4 100R 5VSB0.5A
3




2




IN4148 22V R54F 47R
R52F 10R 102/1KV C 2 5 F AOD484 +5V1.5A
R49F C31F JLC0421 C 3 7 F




2
R32F
C29F D18F 225 R 3 7
BD1F P7 220K
224
47u/50V
C 1 8 F C 2 0 F C 2 2 F 5.6K 104
MBR2060CT ZD9F
p6kE6.8A
1




1000u/16V 16V1000UF 470U/16V 10K




1
1




! 4 3
4 3
2




D3SB60
2




12V1
B B
R55F
5.1K 5VSB 5VSB




2
R 7 F ZD10F
10M Q 1 1 F 6.2V
U 3 F A R57F




1
R56F 3k 1%
P C 8 1 7 B 2.4k
C Y 2 F C 0 3 6 F
2 2 2 / 2 5 0 V C 3 2 F R057F
2222 4.7K 1%
104