+
+
O
U
T
A
D
J
IN
O
U
T
4
3
2
1
+
3
+
2
1
3
2
1
2
3
2
2
2
1
2
0
1
9
1
8
3
S
S
IN
V
C
C
B
S
T
P
G
N
D
L
X
2
D
S
A
IN
IN
IN
L
X
L
X
1
0
1
1
7
8
9
3
D
S
2
2
3
2
3
O
U
T
2
3
A
IN
IN
IN
1
0
1
1
7
8
9
L
X
L
X
+
1
A
D
J
IN
O
U
T
S
S
IN
V
C
C
B
S
T
P
G
N
D
L
X
2
3
2
2
2
1
2
0
1
9
1
8
4
3
+
2
3
2
5
4
5
4
8
2
9
8
2
9
8
2
9
5
4
5
4
8
2
9
10uF
10uF
Q2P4
AO3401A
C1P56
使
3.3V_NORMAL
2.2uF
2
3
4
5
6
16
15
14
13
12
1
3.3V
STANDBY
8
7
6
5
R1
R3P16
+1.05_VDDC_CPU
C3P20 C3P21
22uF
22uF
C3P19
H4
3.5
6
3
1
7
NC/Screw Hole
32
5
4
3
2
1
+12V_PWR TO +1.5V_DDR
DEMO-LDO
STANDBY
R7P36
3.88V
EN1
10K
Ω
C8P23
NC/2.2uF
C0P21
NC/22pF
+12V_PWR
FB0P5
60
Ω
/100MHz
C0P17 C0P16
10uF 10uF
CE0P3
NC/100uF
10uF 100nF
R0P6
NC/100K
Ω
3
SW1
2
C0P7 C0P8
1
R0P7
NC/100K
Ω
IN FB
SW EN
GND BST
U0P2
MP1470GJ-Z
4
5
6
R1P0
10K
Ω
R0P9
33K
Ω
R0P8
0
Ω
EN1
R1P1
1.3K
Ω
SW1
C0P9
1uF
NC/100nF
C1P20
C1P21
C1P24
D
NC/10uF
NC/10uFNC/10uF
D
+12V_PWR TO +3.3V_STANDBY
+12V_PWR TO +5V_STANDBY
+12V_PWR
输出电感 处
38MV
纹波
+3.3V_NORMAL
CE0P5
100uF
C0P1
NC/22pF
+3.3V_Standby
+5V_Standby1
R0P29
100K
Ω
R0P31
NC/100K
Ω
R1P5
10K
Ω
R1P7
1.3K
Ω
R1P6
30K
Ω
3
2
+5V_STANDBY
FB0P2
60
Ω
/100MHz
FB0P4
NC/60
Ω
/100MHz
SW2
C0P20 C0P11 C0P10
10uF 10uF 100nF
3
2
1
EN2
IN FB
SW EN
GND BST
U0P3
MP1470GJ-Z
R0P28
4
5
33K
Ω
EN2
6
R0P30
0
Ω
SW2
C0P12
1uF
L0P8
10uH C1P62 C1P63 C1P61
100nF 10uF
CE0P6
100uF
R2P5
NC/4.7K
Ω
R2P8
10K
Ω
R2P6
10K
Ω
1
C1P56
NC/220nF
R2P7
100K
Ω
Q1P2
KMBT3904
上
电太 慢, 删除
C1P57
100nF
+5V_Standby1
+12V_PWR
R2P12
NC/0
Ω
R7P35 2K
Ω
R7P34 2K
Ω
ZD0P1
5.1V
C1P60
10uF
+3.3V_Standb y
R2P18
10K
Ω
R2P22
10K
Ω
3
2
Q2P5
AO3401A
C1P68
100nF
R2P20
10K
Ω
1
R2P21
Q1P5
KMBT3904
4.7K
Ω
STANDBY
L:Power off
H:Power on
C
+12V_PWR TO +1.20V_VDDC
STANDBY CONTROL
C
R8P0
+3.3V_Standby
+5V_Standby
+5V_Standby
C8P0
1uF
VIN3
R7P6
0
Ω
C8P2
100nF
2.2K
Ω
±1%
R7P16
10K
Ω
R2P13
10K
Ω
R2P16
2K
Ω
S
T
A
N
D
B
Y
S
T
A
N
D
B
Y
_
M
H
:
P
o
w
e
r
o
n
Ven 2.5V-6V
R7P18
3.9V
L:Poweroff
10K
Ω
C8P10
R7P1
NC/10K
Ω
R7P0
NC/20K
Ω
R7P4
100K
Ω
FB4
C8P1
22nF
1
PGOOD
EN
/PFM
AGND
FB
TON
U0P6
AOZ1236QI-01
17
LX
LX
PGND
PGND
PGND
PGND
C8P3
??NC/2.2nF
R7P7
??NC/20
Ω
FB4
R7P9
470
Ω
远端反馈
,
即
从
IC
底部引
线
!
R7P10
3.3K
Ω
±1%
R7P12
NC/1K
Ω
±1%
R7P11
NC/1K
Ω
±1%
R7P13
NC/1K
Ω
±1%
Q7P7
NC/2N7002K
R7P15
G
NC/4.7K
Ω
GPIO_VID_1
+1.20V_VDDC
H:Poweron
L:Poweroff
PWR-O N/OFF
R7P39
NC/10K
Ω
R7P17
4.7K
Ω
1
Q1P3
KMBT3904
1
R2P15
0
Ω
Q1P4
KMBT3904
STANDBY
STANDBY
R2P17
NC/10K
Ω
+12V_PWR
R7P2
??NC/100K
Ω
R7P3
R7P5
L1P0
±1%
R7P8
47
Ω
C8P4
NC/100nF
+1.20V_VDDC
Q7P6
2N7002K
G
1
R7P14
4.7K
Ω
GPIO_VID_0
100K
Ω
82K
Ω
VIN3
2.2uH
±1%
C1P42
22uF
C1P40 C7P9
10uF 100nF
C1P54
22uF
C1P67
10uF
L1P0
电感 温升 电 流 为
5A,
C1P41
47uF
C8P5
100nF
C8P7
22uF
C8P8
22uF
C8P9
22uF
C9P0 C9P1
10uF 10uF
取 消
100uF
电 解
纹波
35mVp-p
测主
IC
处电压:
L:1.016V
H:1.10V
+12V_PWR TO +5V_Normal
+5V_Normal TO +3.3V_TUNER
B
C8P16
1uF
VIN3
R7P29
0
Ω
C8P21
100nF
R8P1
470
Ω
±1%
B
C8P17
22nF
U0P7
AOZ1236QI-01
Ven 2.5V-6V
R7P48
R7P28
NC/10K
Ω
R7P21
100K
Ω
C8P13
??NC/2.2nF
STANDBY
R7P30
NC/10K
Ω
C8P22
NC/2.2uF
12K
Ω
R7P44
9.1K
Ω
R7P31
NC/20K
Ω
FB5
1
2
3
4
5
6
PGOOD
EN
/PFM
AGND
FB
TON
LX
LX
PGND
PGND
PGND
PGND
17
16
15
14
13
12
R7P23
??NC/20
Ω
FB5
R7P32
1.3K
Ω
远端反馈
,
即
从
IC
底部引
线
!
取 消
输出电解
输出电感 处
56MV
纹波
+5V_NORMAL
U1P3
NC/LD1117-3.3
6.2V
ZD0P4
R7P25
??NC/100K
Ω
±1%
C8P15
NC/100nF
+12V_PWR
R7P40
10K
Ω
R7P46
0
Ω
+12V_PWR
R7P27
R7P22 330K
Ω
100K
Ω
CE1P12
NC/100uF
VIN3
C1P59 C7P10
10uF 100nF
L1P1
2.2uH
L1P0
电 感 温 升 电 流 为
5A,
R7P33
1.3K
Ω
±1%
C8P19
100nF
C8P20
22uF
C9P2
10uF
C9P3
10uF
CE1P13
NC/100uF
+5V_NORMAL
C1P31
NC/10uF
C1P32
NC/100nF
C1P33
NC/10uF
C1P34
NC/100nF
+3.3V_TUNER
PWR-ON/OFF
R7P47
10K
Ω
Q1P6
KMBT3904
1
C9P6
1nF
R7P41
1
10K
Ω
Q1P7
KMBT3904
C9P5
1nF
C1P58
NC/22uF
C8P14
NC/22uF
C8P18
NC/10uF
A
+12V_PWR TO +1.05_VDDC_CPU
R7P20
12K
Ω
Ven>3V.
3.5V
C8P12
2.2uF
+12V_PWR
R3P13
100K
Ω
C3P14
10uF
C3P17
100nF
C3P16
1uF
R7P38
10K
Ω
1
FB0
2
3
4
I2C-SDA
UP06
9
EP
EN PVDD
FB BSR
VREG5 SW
SDA SCL
MSH6100A
Addr 0x80
C3P18
100nF
I2C-SCL
L0P6
2.3uH
R3P14
NC/18K
Ω
R3P17
NC/0
Ω
1%
FB0
R2
取 消
输出电解
输出电感 处
65MVP-P
纹波
+1.05_VDDC_CPU
C3P23
330pF
C3P22
18K
Ω
100nF
1%
R3P15 22uF
NC/33K
Ω
1%
SCREW HOLE & MARK
H3
3.5
MARK1
6
3 1
7
NC/MARK
NC/Screw Hole
H1 H2
MARK4
7 7
3 1 3 1
6 6
NC/MARK
NC/Screw Hole NC/Screw Hole
4.0 4.0
MARK2
NC/MARK
MARK5
NC/MARK
MARK3
NC/MARK
MARK6
NC/MARK
A
CN01
1
CN02
1
C3P13 C3P15
10uF 100nF
Vout=0.83V*(1+R1/R2)
tanhuangpian
tanhuangpian
5
4
3
2
1
Содержание TH-43DX400L
Страница 1: ...11 LED Television Model No TH 43DX400L TH 49DX400L...
Страница 17: ...17...
Страница 19: ...19 Block Diagram System Block Diagram...
Страница 21: ...21 Circuit Block Diagram...
Страница 22: ...22 Power Tree Schematics...
Страница 49: ...48...