AOC LE32M1570, Service Manual

Page: 34 / 38

5
5
4
4
3
3
2
2
1
D D
C C
B B
A A
BL-ADJUST
LED
KEY0-in
KEY_POWER
IR-in
IR_5V
IRIN
IR-in
LED+
PANEL_ON/OFF
PANEL_ON
VCC_P
KEY1-in
BL-ON/OFF
KEY_POWER
KEY0-in
KEY1-in
+1.15V_VDDC
+5V_Standby
+3.3V_Normal
+3.3V_Standby
+5V_Standby
+5V_Normal
+1.5V_DDR
+5V_Normal
+3.3V_Standby
+5V_Standby
+5V_Standby
Panel_VCC
+3.3V_TU
+5V_Normal
+3.3V_TU
+5V_TU
+12V
+5V_Standby
+5V_Normal
+5V_Standby
BL-ADJUST 3
BRI_ADJ 5
LED 5
IRIN 5
KEY_SAR0 5
KEY_SAR1 5
PANEL_ON/OFF 5
BL-ON/OFF 3
VBL_CTRL 5
1.15V 2A for VDDC
Vout=0.6V*(1+R1/R2)
R1
DC-DC
R2
1.15V MAX 2A
DC-DC
+3.3V_STANDBY & +3.3V_NORMAL
Imax=350mA
1.5V Normal Power for DDR3
R1
R2
Vout=1.25V*(1+R1/R2)
SAMSUNG panel 0~3.3V R34=10K
LG/CMO/AU panel 0~5V,R34 NC
Inverter controler
Test Point & MARK
6.8K 2K 0 欧
1.95V 0.98V 0V
所用 IO 口
SOURCE CH- CH+
电压值
电阻值
按键功能 POWER
1K 6.8K 2K 0 欧
0.98V 0V 1.95V
IR&KEY Connector
0.58V
SAR1 SAR0
MENU V0L+ V0L-
Power for panel
TUNER POWER
400mA
Close to Tuner Si2151
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,
"VBL_CTRL" IO 口为高电平时，背光开。
"VBL_CTRL" IO 口为低电平时，背光关。
R194 1K R194 1K
Q12
ME2325 Q12
ME2325
SW6
CH-
SW6
CH-
1
4 2
3
SW5
CH+
SW5
CH+
1
4 2
3
U114
AMS1117-3.3
U114
AMS1117-3.3
VIN
3
ADJ
1
VOUT
2
VOUT
4
C168
0.1uF
C168
0.1uF
R56
4.7K
R56
4.7K
ED14
0.1pF
ED14
0.1pF
Q112
3904 Q112
3904
1
2
3
R59 4.7K R59 4.7K
Q11
3904
Q11
3904
1
2
3
C1037
1nF
C1037
1nF
R38
100R
R38
100R
Q1
3904
Q1
3904
1
2
3
C121 33pF C121 33pF
R52 4.7K R52 4.7K
R44
4.7K R44
4.7K
R257
2k Ω
R257
2k Ω
R60
100K
R60
100K
C1028
10uF
C1028
10uF
R171 1K R171 1K
C71
2.2uF
C71
2.2uF
C132
10uF
C132
10uF
SN2
NC
SN2
NC
1
C129
0.1uF
C129
0.1uF
R155 4.7K R155 4.7K
Q9
3904
Q9
3904
1
2
3
R43
10K
R43
10K
L111
0805_BEAD/12V 屏
L111
0805_BEAD/12V 屏
C76
0.1uF
C76
0.1uF
H30
NC
H30
NC
1
C127
22uF
C127
22uF
C1034
0.1uF
C1034
0.1uF
C128
10uF
C128
10uF
ADJ OUT
IN
U8
AS1117-ADJ
ADJ OUT
IN
U8
AS1117-ADJ
3 2 1
4
H21
NC
H21
NC
1
2
3
4
5
6
7
8
9
R58 4.7K R58 4.7K
C68
2.2uF
C68
2.2uF
R168 10R R168 10R
L112
0805_BEAD/5V
屏
L112
0805_BEAD/5V
屏
H28
NC
H28
NC
1
C169
0.1uF
C169
0.1uF
D103
M7
D103
M7
C1025
0.1uF
C1025
0.1uF
L104
3.3uH/2A
L104
3.3uH/2A
C119
22uF
C119
22uF
H11
NC
H11
NC
1
2
3
4
5
6
7
8
9
ED13
0.1pF
ED13
0.1pF
R167 100R R167 100R
C77
2.2uF/DC/NC
C77
2.2uF/DC/NC
C1029
10uF
C1029
10uF
H26
NC
H26
NC
1
ADJ OUT
IN
U1001
AS1117L-3.3
ADJ OUT
IN
U1001
AS1117L-3.3
3 2 1
4
R122 12K/1% R122 12K/1%
R41
10K
R41
10K
H17
NC
H17
NC
1
SW3
VOL+
SW3
VOL+
1
4 2
3
H22
NC
H22
NC
1
2
3
4
5
6
7
8
9
C131
10uF
C131
10uF
R57 10K R57 10K
C1036
1nF
C1036
1nF
Q10
3904
Q10
3904
1
2
3
R61
1K
R61
1K
R259
2k Ω
R259
2k Ω
C150
0.1uF
C150
0.1uF
SW1
POWER
SW1
POWER
1
4 2
3
R32 470R R32 470R
R182
2K
R182
2K
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
R126 4.7K R126 4.7K
R51
NC/10K
R51
NC/10K
C74
0.1uF
C74
0.1uF
C181
0.1uF
C181
0.1uF
R40
10K/NC R40
10K/NC
C122
0.1uF
C122
0.1uF
C130
10uF
C130
10uF
R142 1K R142 1K
R253
6.8k Ω
R253
6.8k Ω
SW4
MENU
SW4
MENU
1
4 2
3
R42 4.7K R42 4.7K
SN
NC
SN
NC
1
C166
2.2uF
C166
2.2uF
H20
NC
H20
NC
1
H12
NC
H12
NC
1
2
3
4
5
6
7
8
9
C69
0.1uF
C69
0.1uF
H24
NC
H24
NC
1
C148
33pF
C148
33pF
C174 0.1uF C174 0.1uF
R252
6.8k Ω
R252
6.8k Ω
+
CA8
100uF/16V
+
CA8
100uF/16V
H29
NC
H29
NC
1
C1035
1nF
C1035
1nF
C179
0.1uF C179
0.1uF
H23
NC
H23
NC
1
C1027
0.1uF
C1027
0.1uF
R157
10K
R157
10K
R159 4.7K R159 4.7K
C78
0.1uF
C78
0.1uF
R121 13K/1% R121 13K/1%
C120
22uF
C120
22uF
H27
NC
H27
NC
1
R183
4.7K
R183
4.7K
C1026
10uF
C1026
10uF
C75
0.22uF
C75
0.22uF
SW2
VOL-
SW2
VOL-
1
4 2
3
H19
NC
H19
NC
1
R53 1K R53 1K
SW7
SOURCE
SW7
SOURCE
1
4 2
3
C70
2.2uF
C70
2.2uF
U105 SY8009B/2A U105 SY8009B/2A
EN
1
GND
2
SW
3
VIN
4
FB
6
NC
5
33