Schematic Diagram; Main Board - AOC LE20A1140 Service Manual

9. Schematic Diagram

9.1 Main Board (715G5749M03001004K)
From Power Board:
24V : G5508(29"),G5193(39")
16V : G5309(19",22",24")
CN701
1
2
3
4
5
6
7
8
9
10
11
12
13
CONN
13P R/A 2.0mm
311GW200A13ADJ
ZD701
NC/BZT52-C5V6
+5V_Standby MST6931 Core Power = 1.26V/650mA
TP8
FB701
1 2
300R 4A
C709
22UF C701 C710
100N 16V 10UF 10V R711
100K
TP9
C716
1uF 10V
TP13
Standby Power
U702 +3.3V_Standby
TP14
+5V_Standby
AZ1117D
3 2
VI VO
+
C713
C712 100UF 16V
1uF 10V
BL_EN
TP1
BL_PWM
TP2
12V
TP5
R737
NC 0R051/8W
24V/16V
1 2
TP6
FB603 300R 4A
PS_ON
+5V_Standby
TP7
5V
R708
NC/10K
+
C707 C708
100N 16V 100UF 16V
SMT
R701
TP10 U701
2.2R 1%
TP11
9
073G253S 68 H
E-Pad
1 8
L701
VCC VIN
2 7
POK LX
3 6
2.2uH
GND PGND
4 5
FB EN
C718
APW7323
1uF 10V
C715
22PF 50V
Vout = 0.8*(1+R1/R2)
DDR Power
+3.3V
U703
AZ1117H-ADJ-E1
3
VI VO
C714 C724
100N 16V 10UF 10V
Vout = 1.25x(R1+R2)/R2
1.845V
System power control
TP3
P12V
+
C737
C736
100N 50V
100uF 35V
TP4
5
AUD_PVDD
+
C739
C738
100N 50V
100uF 35V
TP12
+1.2V_VDDC
Backlight Control
+
C720 C719
22UF 22UF C717
NC/330UF 6.3V
R715
11.5K 1%
R1
R717 20K
TP15 +1.8V_DDR
2
R719
220R 1% +
R1 C722
C723
100UF 16V
22UF
SMT
TP16
R721
100R 1%
R2
絬 隔 瓜 絪 腹
Key Component
35
+5V_Standby
470nF 16V
R720
10K
+3.3V_Standby
R780 47K
TP18
R714 TP17
R723
1K
4.7K
PWR_ON Q706
PWR_ON
MMBT3904
High active C773
100N 16V
+3.3V_Standby
C774
470nF 16V
R722
10K
R781
TP22
10OHM1/16W
TP23
R729
4.7K
PWR_ON
Q709
MMBT3904
C775
NC/100N 16V
+5V_Normal
R702
1K R728
10K
BL_EN
TP24 TP25
R703
C702
R704 1K
10K Q702
NC/10N 50V
MMBT3904
Q707
MMBT3904
+5V_Normal
+3.3V_Standby
R706 R707
NC/10K 1K
TP27
BL_PWM
R709 1K
Q703
C706
MMBT3904
NC/4.7UF 10V
T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL
TPV MODEL
04. Power PCB NAME 715G5749-M01-001-0040
Monday , August 19, 2013 Sheet 4 of
Date
+5V_Normal
TP19
PS_ON
R705 100R
Q701
C772
AO3401A
TP20
+3.3V
TP349
Q708
AO3401A
TP21
C
B E
+5V_Normal
TP26
High active
VBL_CTRL 5
R727 4.7K
TP28
Low active
R710 4.7K
BRI_ADJ-PWM0 5
Custom
Size
Rev A
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