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5
D
1
Q502
2
ON/OFF
R502
MMBT4401
30K
C502
R503
220p/50V
91K
C
2
BRIGHTNESS
R504
10K
2
LI1
3
B
1
R509
D503
2K
BAW56
2
LI2
3
1
R510
D504
2K
BAW56
A
5
4
VIN
R501
91K
1
Q501
MMBT4401
OV2
1
OV2
LI1
2
LI1
LI2
3
LI2
C503
2200p/50V
4
COMP
C504
2.2u/16V
5
FT
6
FSET
R505
110K 1%
7
BOSC
REF
8
DBRT
C505
IC501
220p/50V
MP1009
OL3
OV1
3
OL1
R527
2K
OL4
OV2
3
OL2
R528
2K
D502
BAV70
4
3
OV1
16
OV1
C508
1u/16V
15
GND
14
1
BG
R506
22
13
VCC
REF
12
SW
11
TG
C506
0.047/50V
10
BT
9
VIN
1
R507
C507
R508
22
0.1/50V
100
R511
LV1
10K
1
LV3
2
R512
D501
10K
REF
BAV70
R513
LV2
10K
1
LV4
2
R514
10K
3
2
U501
AP9971GH
C509
C513
2.2u/25V
0.1/50V
C510
2.2u/25V
C511
U502
NC
AP9971GH
LV4
C523
C522
3900p/50V
3900p/50V
InnoLux
Document Number :
TITLE :
Inverter control
DATE :
2008-12-02
SHEET
5
OF
6
2
1
CN506
20
NC
19
NC
18
GND
17
GND
16
DRIV
15
DRIV
14
+24V
13
+24V
12
BRIGHTNESS
BRI
11
ON/OFF
EN
10
LV4
LV3
9
LV3
8
GND
LV2
7
LV2
LV1
6
LV1
OL4
5
OL4
OL3
4
OL3
OL2
C521
3
OL2
OL1
3900p/50V
C520
2
OL1
3900p/50V
1
+5V
CON 20PIN
SIZE :
APPRO BY :
A4
CHECK BY :
DRAWN BY :
Rev :
V01
1
D
C
B
A
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