Document: After-sales Maintenance Service Manual No.: L32R63*VKE/L40R63*VKE/L43R63*VKE/L49R63*VKE Version: 1.0 Effective from: APRIL 4th, 2016
Page 29 of 49
XIII. Circuit Diagram (32"/40", 3in1 board)
BL-ADJUST
LED
KEY0-in
KEY_POWER
IR-in
IR_5
V
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_AD
J
5
LE
D
5
IRI
N
5
KEY_SAR
0
5
KEY_SAR
1
5
PANEL_ON/OFF
5
BL-ON/OFF
3
VBL_CTR
L
5
1.15V 2A for VDDC
Vout=0.6V*(1+R1/R2)
R1
靠
近
DC-DC
R2
1.15V MAX 2A
靠
近
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
"VBL_CTRL" IO
口为高电平时，背光开。
"VBL_CTRL" IO
口为低电平时，背光关。
R19
4
1K
R19
4
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
AD
J
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
R5
9
4.7K
R5
9
4.7K
Q11
3904
Q11
3904
1
2
3
C1037 1nF
C1037 1nF
R38
100R
R38
100R
Q1
3904
Q1
3904
1
2
3
C12
1
33pF
C12
1
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
R17
1
1K
R17
1
1K
C71
2.2uF
C71
2.2uF
C132
10uF
C132
10uF
SN2
NC
SN2
NC
1
C129
0.1uF
C129
0.1uF
R15
5
4.7K
R15
5
4.7K
Q9
3904
Q9
3904
1
2
3
R43
10K
R43
10K
L111
0805_
BEA
D/12
V
屏
L111
0805_
BEA
D/12
V
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
R5
8
4.7K
R5
8
4.7K
C68
2.2uF
C68
2.2uF
R16
8
10R
R16
8
10R
L112
0805_
BEA
D/5
V
屏
L112
0805_
BEA
D/5
V
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
R16
7
100R
R16
7
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
R12
2
12K/1%
R12
2
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
R5
7
10K
R5
7
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
R3
2
470R
R3
2
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
R12
6
4.7K
R12
6
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
R14
2
1K
R14
2
1K
R253 6.8k
Ω
R253 6.8k
Ω
SW4
MENU
SW4
MENU
1
4
2
3
R4
2
4.7K
R4
2
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
C17
4
0.1uF
C17
4
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
R15
9
4.7K
R15
9
4.7K
C78
0.1uF
C78
0.1uF
R12
1
13K/1%
R12
1
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
U10
5
SY8009B/2A
U10
5
SY8009B/2A
EN
1
GND
2
SW
3
VIN
4
FB
6
NC
5
L32R63_VKE,L40R63_VKE,L43R63_VKE,L49R63_VKE_CIS_Russia.indd 29
2016-04-05 오전 11:01:04
