Haier LE49K6500U Service Manual page 28

5
+12V_Normal
VDDC_CPU Power
J26
1 +5V_Normal
2
3
Vcc_Panel
4
5
6
7 +12V_Normal
D
8
+5V_Standby
9 STANDBY
10
1*10P*2.54mm/180
C124
J27
1
2
3
BL-ADJUST
4 BL-ON/OFF +12V_Normal
5
6
1*6P*2.0mm/180
Control
VDDC Power
BL-ADJUST
R117 1K
BRI_ADJ 3
BL-ON/OFF R118 1K
VBL_CTRL 3
C
R119 C117 R121
+12V_Normal
10K 10K
+5V_Standby
R125 H :Power on
L :Power off
4.7K
STANDBY R126 100R
PWR-ON/OFF 3
+5V_Standby
B
TP & MARK
C2240
H101 H104 H105 H106
NC NC NC NC
H107 H108 H109 H110
NC NC NC NC
H117 H113 H1 H115
NC NC NC NC
A
H120
NC
5
4
U104 D101
MSH6110A
NC/SS34
Addr 0x80
8 6 2
PVDD LX
C118
R120
100K 1 7 0.1uF/16V/X5R
EN BST
C125 R123 10K
3 2
5V FB
C126 C127 R2=50K
4 5
SDA SCL I2C-SCL
靠近DCDC
Vout=0.828V*(1+R1/50K)
I2C-SDA 3,7,13
有DVFS功能，此DCDC 不能更改
U11 L17
RT7240
8 6 1
VCC SW
1
C2248 C2245 C2247 R6856 100K C31
EN
3
VREG5
C2178 0.1uF/16V/X5R
C29 7
BST
R6944 4
SS
NC
C30 C2179 10pF/NC
3900pF
R1
RW22 5.6K/1%
5 2
GND FB
9 RW25 21K/1%
GND
R2
Vout=0.765V*(1+R1/R2)=0.979V
L103
U106 2.2uH/2.2A
Note：能提供最大平均电流2A。
输 入 耐 压 值 5.5V
4 3 2 1
VIN SW
5 R6953 10K C132
POK
C131 22pF/NC
C135 C136
R1
1 6 R129 15K/1%
EN FB
R130 5.1K/1%
靠近DCDC
R2
R6943 4.7K/1%
JW5212SOTB
Vout=0.6V*(1+R1/R2)=1.518V
RT8097C 2A
H118 H2 H3
1 1 1
2 2 2 +12V_Normal
金属支架 金属支架 金属支架
R6954
0R/NC
4
3
R124:
538和6586统一为15K
L102
+1.05_VDDC_CPU
2.2uH/6A/不涂胶
Note：能提供最大平均电流5A。
1
R122 C119 C120 C121 C122
R1 NC
330pF
+1.05_VDDC_CPU
R124 15K/1%
远端反馈,即 从IC 底部引线
靠近DC-DC
3,7,13
Connector
+1.10V_VDDC
1*13P*2.54mm/180/NC
2.2uH/6A/不涂胶 13
2 12
0.96V
11
10
C2261 C105 C106 C107 C108 220uF/10V/X5R/LowESR
22uF/6.3V/X5R 9
22uF/6.3V/X5R 8
22uF/6.3V/X5R/NC 7
0.1uF/16V/X5R 6
靠近DC-DC 5
4
3
470R/1%
+1.10V_VDDC
R106 2
1
远端反馈,即 从IC 底部引线
J20
LDO
U102
+1.5V_DDR 1117-3.3V
C133 C134
+5V_Standby
靠近DCDC
0.1uF/16V/X5R
R6955 R6956
0R/NC 0R/NC
3
2
C123
+12V_Normal
+5V_Normal
+5V_Standby
+5V_Normal
STANDBY
BL-ON/OFF
BL-ADJUST H :Power on
L :Power off
U103
1117-3.3V
+3.3V_Standby +3.3V_Normal
+5V_Normal
C110 C111 C112 C114 C115 C116
10uF/6.3V/X5R 10uF/6.3V/X5R
0.1uF/16V/X5R 0.1uF/16V/X5R 0.1uF/16V/X5R
2
1
D
C
B
1117-1.8V U111
+1.8V_Normal
C162 C163 C2260
+5V_Normal
10uF/6.3V/X5R
0.1uF/16V/X5R
40mA 0.1uF/16V/X5R
A
Title Title Title
02. System power 02. System power 02. System power
Size Size Size Document Number Document Number Document Number Rev Rev Rev
Custom Custom Custom <Doc> <Doc> <Doc> <RevCode> <RevCode> <RevCode>
Date: Date: Date: Thursday, March 30, 2017 Thursday, March 30, 2017 Thursday, March 30, 2017 Sheet Sheet Sheet 2 2 2 of of of 13 13 13
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