Schematic Diagram; Main Board - AOC LE32A3520/61 Service Manual

9. Schematic Diagram

9.1 Main Board

715G4629M01000004K
CN700
1 BL_ON1
BL_PWM
2
3
4
5 C700
6 100nF 50V
7
+18V_AMP
8 DGND
9
PWR_ON
10 D5V_STB
11
12
13 C704 + C705
470uF 10V
100nF 50V
CONN
DGND
D_5V
D7101
S1D-E3
3
C707
10uF 10V C708
100nF 50V
DGND
R732
10 OHM 1/10W
C716
100nF 50V
DGND
U702
9
E-PAD
1 8
VCC VIN
2 7
REF LX
3 6
GND PGND
C753 4 5
FB EN
100nF 50V
AT1529F11U
DGND
DGND
Vout = 0.8x(1+R1/R2)=1.36V
R735
10 OHM 1/10W
C722
100nF 50V
DGND
U704
9
E-PAD
1 8
VCC VIN
2 7
REF LX
3 6
GND PGND
C759 4 5
FB EN
100nF 50V
AT1529F11U
DGND
DGND
Vout = 0.8x(1+R1/R2)=3.3V
NC/CONN
12V 13 BL_ON1
BL_PWM
D12V FB700 12
11
D12V
1 2 10
120R/6000mA 9
+ C701 8
DGND
330UF 35V 7
6
+18V_AMP
5
PWR_ON
4
DGND 3
D5V_STB
2
1
CN701
BL_ON1
TO-252, 1A
D1V8
U700
2
VIN VOUT
C709
10uF 10V C711
100nF 50V
R707 100R 1/10W 1%
22R 1/10W 1%
R709
R719
24R 1/10W 1%
DGND
Vo=1.25x(1+Rdn/Rup)
DGND
FB719
120R/6000mA D_5V
1 2
C749
+ C750 C757 C748 100nF 50V
100nF 50V
FB715
220uF16V 4.7UF 10V 120R/6000mA
R722
10K 1/10W DGND 1 2
FB714
L702 DGND 120R/6000mA
2.2uH 20mOHM 8A
1 2
C758 R726 C751 C752 + C747
220uF/16V
NC
R1
DGND 100nF 50V 22uF 10V
33K 1/10W 1%
DGND
R727
47K 1/10W 1%
R2
DGND
FB720
D5V_STB
120R/6000mA
1 2
C761
C762 C763 C760 100nF 50V
+
220uF/16V 100nF 50V
4.7UF 10V 1
R733 300OHM 4A
10K 1/10W DGND
L703 DGND FB708
2.2uH 20mOHM 8A
1
300OHM 4A
C764 R728 C755 C756 C754
+
NC 220uF/16V
DGND R1 100nF 50V 22uF 10V
47K 1/10W 1%
DGND
R734
15K 1/10W 1%
R2
DGND
USB_5V Power
+18V_AMP
FB702
120R/6000mA
C765
C766
+
D5V_STB
100UF 50V 1uF 50V
R700
10K 1/10W
R731
NC
R701
BL_EN
C703
100nF 50V Q700 1K 1/16W
PMBS3904
DGND
D5V_STB
R705
4.7K 1/10W
R721
NC
PWR_ON
R708
PS
C710
100nF 50V Q703 1K 1/16W 5%
PMBS3904
DGND
DM3V3
D5V_STB
CORE_1.2V
R711 R723
10K 1/10W
NC
R714
R713 NC
BL_PWM
1K 1/10W
R717
C715
1K 1/16W
NC 4.7UF 10V Q705
LMBT3904LT1G
DGND
DM3V3
FB706
2
D3V3 A3V3
2
絬 隔 瓜 絪 腹
Key Component
39
5V
R1215 52.3K
R1214 10K
C770 1uF 25V
AOZ1242AI
U705
8 1
VBIAS LX
7 2 C771 100N 50V
VIN BST
R737 6 3
EN GND
47K 1/16W 5% 5 4 R739
COMP FB
52.3K 1%
C767 C768 C769
1uF 50V 180P 50V 1nF 50V R740
10K 1%
R738
10K 1/10W
DGND
D5V_STB
R710
10K 1/10W C713
D5V_STB
100nF 50V
R715 R716
NC
47K +-5% 1/10W
R736 0R05 1/10W R718 Q706
PMBS3904
4K7 1/10W 5%
R720
POWER_EN Q707
POWER_EN
NC NC
DGND
DGND
TO-252, 1A
D3V3 U703
AZ1117H-ADJ-E1
3 2
VI VO
BL_ADJ
R729
NC
C734
10uF 10V
C733
100nF 50V
R730
0R05 1/10W
DGND DGND
T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL
?
TPV MODEL
P01_POWER PCB NAME
Date Saturday , June 25, 2011 Sheet 1 of 14
Vo = 0.8 * (1+ R739/R740)
V1 = 0.8 * (1+ 52.3/10) =4.984V
V1 = 0.8 * (1+ 53.4/10) =5.072V 5V_USB
FB701
L704
1 2
15uH
120R/6000mA
R741
3K 1%
C772 C773
D701
SX34 10uF 25V 10uF 25V
D_5V
Q704
AO4449 -7A/-30V
1 8
S D
2 7
S D
3 6
S D
4 5
G D
C712
+ 100nF 50V
R712 C714
100K 1/10W NC
DGND
FB705 ST_D1V2
1 2
300OHM 4A
C735
A1V2
10uF 10V C736
100nF 50V FB707
1 2
300OHM 4A
DGND
A3
Size
Rev A
< 称爹 >
称 爹