LG 43LF5900 Service Manual page 27

IC4000
AO-R123C7G-LG
GND
G
VS
V
OUT
O
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
M_RESET
R4001
100
EYE_SDA
R4002
100
EYE_SCL
+3.4V_ST
R4005
10K
5%
IR
C4002
100pF
50V
R4004
1.8K
LED_R
OPT
C4000
0.1uF
16V
+3.4V_ST
P4000
L4000 Delete for voltage drop, 131120
SMAW200-H14S5K
C4007
22uF
10V
GND 3.4V_WIFI
1 2
USB_DM
3 4
C4004
Place Near Wafer
5pF
GND USB_DP 50V
5 6
OPT
OPT
SDA KEY1
7 8
SCL KEY2
9 10
IR +3.5V_ST
11 12
C4003
LED_R GND 1000pF
50V
13 14
OPT
15
+3.4V_WIFI
C4005
0.1uF
WIFI POWER ENABLE CONTROL
R4007
0
WIFI_DM
+3.4V_ST
R4008
0
WIFI_DP
+3.4V_ST
C4006
5pF
50V
R4010
OPT R4009
10K
10K
R4011
5% 5%
100
KEY1
WIFI_EN
R4012
100
KEY2
C4008 C4009
+3.4V_ST
0.1uF 0.1uF
OPT OPT
+3.4V_WIFI
IC4001
AP2191WG-7
IN OUT
5 1
C4010
GND
0.1uF
2
EN FLG
R4014 33
4 3
C4011
R4013
0.1uF
10K
16V
OPT
A5LR_Bring_Up 2014.11.01
IR / KEY / WIFI
40
LGE Internal Use Only