5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
BRIGHTNESS BACKLIGHT_PW_5N
PANELVCC
3DVCC
DGND
FB
EN_VCC
SW
5DVCC
12VCC
PANELVCC
12VCC
PANEL-5V
3DVCC
12VCC
12VCC
3DVCC
D1.2VCC
5DVCC
5DVCC
5DVCC
GNDADC_GND
DGND
DGND
5DVCC
5DVCC
BL_EN
BL_ADJ
PANELVCC
PANEL_ON_OFF
3DVCC
D1.2VCC
DGND
3DVCC
DGND
Title
Size Document Number Rev
Date: Sheet
of
<Doc> <RevCode>
RTD2270L WWW.LCDHOME.NET
Custom
13Tuesday, April 19, 2011
Title
Size Document Number Rev
Date: Sheet
of
<Doc> <RevCode>
RTD2270L WWW.LCDHOME.NET
Custom
13Tuesday, April 19, 2011
Title
Size Document Number Rev
Date: Sheet
of
<Doc> <RevCode>
RTD2270L WWW.LCDHOME.NET
Custom
13Tuesday, April 19, 2011
5V => 3.3V
C17
2.2UF
C17
2.2UF
R3
10K
R3
10K
3 6
4
2
1
5
7
8
U5
9435SC
U5
9435SC
VIN
3
GND
1
VOUT
2
VOUT
4
U2
D1117-3.3V-1A-TO263
U2
D1117-3.3V-1A-TO263
L2 47uH-3A(DIP)L2 47uH-3A(DIP)
TC3
470UF/10V
TC3
470UF/10V
Z7Z7
BC8
0.1UF
BC8
0.1UF
R5
1K
R5
1K
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
CN20
CON-12PIN-2.0MM
CN20
CON-12PIN-2.0MM
R11
100R
R11
100R
1
2 3
Q3
MMBT3904
Q3
MMBT3904
3
2 1
1
23
CN8
POWER-CON-D
1
23
CN8
POWER-CON-D
BC10
0.1UF
BC10
0.1UF
BC28
0.1UF
BC28
0.1UF
R7
510R
R7
510R
BC27
0.1UF
BC27
0.1UF
BC9
0.1UF
BC9
0.1UF
R28 4.7KR28 4.7K
BC6
0.1UF
BC6
0.1UF
TC6
100UF/16V
TC6
100UF/16V
VIN
1
OUTPUT
2
GND
3
FB
4
GND
6
SD
5
U1
AP1501(TO263)
U1
AP1501(TO263)
Z8Z8
R4
1.5K
R4
1.5K
1
1
2
2
JP2
DIP-2PIN-2.54MM
JP2
DIP-2PIN-2.54MM
C4
1UF
C4
1UF
VIN
3
GND
1
VOUT
2
VOUT
4
U3
D1117-1.8V-1A-TO223
U3
D1117-1.8V-1A-TO223
BC7
0.1UF
BC7
0.1UF
R10
10K
R10
10K
1
2 3
Q5
MMBT3904
Q5
MMBT3904
1
2 3
Q4
MMBT3904
Q4
MMBT3904
R9
100R
R9
100R
1
1
2
2
3
3
JP1
DIP-3PIN-2.54MM
JP1
DIP-3PIN-2.54MM
TC2
470UF/10V
TC2
470UF/10V
BC29
0.1UF
BC29
0.1UF
BC11
0.1UF
BC11
0.1UF
12
+
TC4
220UF/10V
+
TC4
220UF/10V
1 2
D3
SS34
Schottky Diode
D3
SS34
Schottky Diode
+
TC1
470UF/25V
+
TC1
470UF/25V
R2
10K
R2
10K
L1 47uH-3A(OPEN)L1 47uH-3A(OPEN)
- 1
- 2
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