LG 42LN5700 Service Manual page 45

+3.5V_ST
R4117 R4118
10K
10K
5% 5%
R4113
100
KEY1
R4114
D4101
100
5.6V
KEY2
AMOTECH CO., LTD.
C4100 C4102
OPT
0.1uF
0.1uF
D4100
5.6V
AMOTECH CO., LTD.
+3.5V_ST
OPT
L4100
BLM18PG121SN1D
C4104
1000pF
50V
Place Near Micom
+3.5V_ST
LOGO_LIGHT
LOGO_LIGHT
Q4100
1K
R4134
C4120 LOGO_LIGHT
0.1uF
16V
R4107
IR
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Copyright ⓒ 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
P4101 P4102
12507WR-10L 12507WR-08L
GND
1 1
KEY1
2 2
KEY2
3 3
+3.5V_ST
4 4
GND
R4125 10K
5 5
LED_R
LED_R
LOGO/LED_R
6 6
IR
7 7
R4131 GND
8 8
22
NON_EYE_Q_8P
R4137
LOGO_LIGHT
9
100
EYE_SCL 9
C
EYE_Q_10P
D4105
B
ADMC 5M 02 200L
10
OPT
R4138
E 100 EYE_Q_10P
MMBT3904(NXP)
EYE_SDA
11
EYE_Q_10P
D4106
ADMC 5M 02 200L
OPT
+3.5V_ST
10K
C4107 D4104 OPT
5.6V
100pF
AMOTECH CO., LTD.
50V
L4111
MAX 0.4A BLM18PG121SN1D
WIFI
120-ohm L4112
BLM18PG121SN1D
C4113 C4110
C4112 OPT
C4111
0.1uF
10uF 10uF
0.1uF
16V
10V 10V 16V
OPT
WIFI WIFI WIFI
For EMI
M_REMOTE&WIFI_WAFER
P4100
+3.3V_NORMAL
SMAW200-H12S2
L4113
120-ohm
M_REMOTE
1
C4121
0.1uF
2
M_REMOTE
3
WIFI_DM
R4135
100
4
M_REMOTE
C4125
M_REMOTE
1000pF
50V
5
WIFI_DP
6
7
8
9
M_REMOTE
C4122
47pF
10
50V
11
12
13
OPT
WOL/ETH_POWER_ON
22
R4130
WIFI
WOL/WIFI_POWER_ON
22
R4136
+3.5V_ST_WAKE
+3.3V_NORMAL
AR4100
RTS
100
1/16W
M_REMOTE_RX
M_REMOTE_TX
M_RFModule_RESET
CTS
OPT
M_REMOTE
OPT
C4123 C4126
C4124 M_REMOTE
47pF 47pF
47pF
50V 50V 50V
IR / KEY 2011.11.21
41
LGE Internal Use Only