AOC LE50M3571/69, Service Manual

Page: 42 / 46

5
5
4
4
3
3
2 1
D D
C C
B B
A
LED
KEY0-in
KEY_POWER
IR-in
IR_5V
IRIN
IR-in
LED+
PANEL_ON/OFF
PANEL_ON
VCC_P
KEY1-in
EN
FB
BL-ADJUST
+3.3V_Normal +3.3V_Standby
+5V_Standby
+5V_Normal
+1.5V_DDR
+3.3V_Standby
+5V_Standby
+5V_Standby
Panel_VCC
+12V
+5V_Standby
+5V_Standby
+1.15V_VDDC
+5V_Normal
LED 5
IRIN 5
KEY_SAR0 5
KEY_SAR1 5
PANEL_ON/OFF 5
BL-ADJUST 3
BRI_ADJ
5
+3.3V_STANDBY & +3.3V_NORMAL
Imax=350mA
1.5V Normal Power for DDR3
R1
R2
Vout=1.25V*(1+R1/R2)
Test Point & MARK
IR&KEY Connector
Power for panel
Copyright@ ShenZhen KTC Technology Co., LTD
Do not spread to third party without the written permission.
This document for ShenZhen KTC Technology CO., Ltd and presented party internal use only,
1.2V MAX 2A
DC-DC
Vout=0.765V*(1+R1/R2)
R1
R2
DC-DC
1.15V 2A for VDDC
SAMSUNG panel 0~3.3V R34=10K
LG/CMO/AU panel 0~5V,R34 NC
Inverter controler
Q12
ME2325 Q12
ME2325
R194 1K R194 1K
Q112
3904 Q112
3904
1
2
3
ED14
NC/1pF
ED14
NC/1pF
C77
2.2uF/DC/NC
C77
2.2uF/DC/NC
C168
0.1uF
C168
0.1uF
U114
AMS1117-3.3
U114
AMS1117-3.3
VIN
3
ADJ
1
VOUT
2
VOUT
4
R44
4.7K R44
4.7K
C128
10uF
C128
10uF
R38
100R
R38
100R
C71
2.2uF
C71
2.2uF
R171 1K R171 1K
R60
100K R60
100K
L111
0805_BEAD/12V
屏
L111
0805_BEAD/12V
屏
Q9
3904
Q9
3904
1
2
3
R155 4.7K R155 4.7K
SN2
NC
SN2
NC
1
H21
NC
H21
NC
1
2
3
4
5
6
7
8
9
ADJ OUT
IN
U8
AS1117-ADJ
ADJ OUT
IN
U8
AS1117-ADJ
3 2 1
4
R52 4.7K R52 4.7K
C120
22uF
C120
22uF
Q1
3904
Q1
3904
1
2
3
C127
22uF
C127
22uF
H30
NC
H30
NC
1
C76
0.1uF
C76
0.1uF
C122
0.1uF
C122
0.1uF
D103
M7
D103
M7
C169
0.1uF
C169
0.1uF
H28
NC
H28
NC
1
R168 10R R168 10R
C68
2.2uF
C68
2.2uF
R41
10K R41
10K
H26
NC
H26
NC
1
C121 0.1uF C121 0.1uF
R122 5.6K 1% R122 5.6K 1%
R167 100R R167 100R
ED13
NC/1pF
ED13
NC/1pF
H11
NC
H11
NC
1
2
3
4
5
6
7
8
9
R124 100R 1%R124 100R 1%
H17
NC
H17
NC
1
C129
0.1uF
C129
0.1uF
L104
3.3uH/2A
L104
3.3uH/2A
C131
10uF
C131
10uF
H22
NC
H22
NC
1
2
3
4
5
6
7
8
9
R53 1K R53 1K
C74
0.1uF
C74
0.1uF
R126 4.7K R126 4.7K
CN104
8pin/2.0MM
CN104
8pin/2.0MM
+5V_IN
1
IR_IN
2
GND
3
LED
4
KEY0
5
KEY1
6
PWR
7
GND
8
R182
2K
R182
2K
R32 470R R32 470R
C150
0.1uF
C150
0.1uF
C130
10uF
C130
10uF
R40
10K/NC R40
10K/NC
C181
0.1uF
C181
0.1uF
C148
33pF
C148
33pF
H24
NC
H24
NC
1
C69
0.1uF
C69
0.1uF
R51
NC/10K
R51
NC/10K
C119
22uF
C119
22uF
H12
NC
H12
NC
1
2
3
4
5
6
7
8
9
R61
1K
R61
1K
H20
NC
H20
NC
1
R123
10K R123
10K
C166
2.2uF
C166
2.2uF
SN
NC
SN
NC
1
R42 4.7K R42 4.7K
R142 1K R142 1K
H23
NC
H23
NC
1
C132
10uF
C132
10uF
C179
0.1uF C179
0.1uF
H29
NC
H29
NC
1
+
CA8
100uF/16V
+
CA8
100uF/16V
C174 0.1uF C174 0.1uF
C75
0.22uF
C75
0.22uF
U105
TPS562200
U105
TPS562200
GND
1
SW
2
VBST
6
VIN
3
EN
5
VFB
4
R183
4.7K
R183
4.7K
H27
NC
H27
NC
1
C134
0.1uF
C134
0.1uF
C78
0.1uF
C78
0.1uF
R121
10K 1% R121
10K 1%
R159 4.7K R159 4.7K
R157
10K
R157
10K
C70
2.2uF
C70
2.2uF
H19
NC
H19
NC
1
C133
10uF
C133
10uF
41