LG 55LF5950 Service Manual page 28

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 rights 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