LG 50PX950 Service Manual page 27

ETHERNET JACK
EPHY_TDP
002:B4
EPHY_TDN
002:B4
EPHY_RDP
002:B4
C1200
EPHY_RDN
1000pF
002:B4
EPHY_LINK
EPHY_ACTIVE_Y
001:H2
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 © 2010 LG Electronics Inc. All rights reserved.
Only for training and service purposes
A2.5V
CIS21J121
L1200
JK1200
XRJV-01V-D12-180
TDP
1
TD_CT
2
TDN
3
RDP
4
RD_CT
5
RDN
6
NC
7
C1201
1000pF
GND
8
D3.3V
R1201
D1
510
D1
LINK_LED
D2
R1200
510 D2
D3
ACTIVE_LED
D4
9
GND
WIRELESS DIP POWER ON/OFF
P_17V
C1202
0.1uF
50V
WIRELESS_PWR_EN
WIRELESS INTERFACE
JK1201
KJA-PH-3-0168
P_17V_WIRELESS
VCC[24V/20V/17V]_1
VCC[24V/20V/17V]_2
VCC[24V/20V/17V]_3
VCC[24V/20V/17V]_4
VCC[24V/20V/17V]_5
VCC[24V/20V/17V]_6
D3.3V DETECT
INTERRUPT
R1204
GND_1
10K
PK950
RESET
R1203 1K
WIRELESS_DETECT GND_2
I2C_SCL
WIRELESS_SCL
I2C_SDA
WIRELESS_SDA
GND_3
WIRELESS_DL_TX(WIRELESS_RX)
UART_RX
WIRELESS_DL_RX
WIRELESS_DL_RX(WIRELESS_TX) UART_TX
WIRELESS_DL_TX
GND_4
IR
IR_PASS
GND_5
GND_6
R1209 PK950
C1203
22K
PK950
2.2uF
PK950 S
G
P_17V_WIRELESS
R1210
Q1201
2.2K
D
AO3407A
PK950
PK950
R1208
C
10K
PK950 B
PK950
Q1200
PK950
C1204
E
0.01uF
50V
WIRELESS
PK950
R1214
47K
R1212 READY
22
1
IR_PASS
READY
2
Q1202
3
2SC3052
READY
4
5
6
7
8
9
10
11
12
WIRELESS_SDA
13
WIRELESS_SCL
14
15
16
17
18
19
20
Q1205
21
FDV301N
WIRELESS_SDA
READY
SHIELD
Q1206
FDV301N
READY
WIRELESS_SCL
EAX63347201
ETHERNET/WIRELESS
+5V_ST
+5V_ST
R1217
47K
READY
R1215
C 10K
B
E READY
R1216
C 47K
B IR
Q1203 READY
E
2SC3052
READY
R1213 PK950
0
0
R1219
PK950
SDA2_3.3V
R1226 PK950
0
SCL2_3.3V
D3.3V
SDA2_3.3V
WIRELESS I2C LEVEL SHIFTER
SCL2_3.3V
12 12
LGE Internal Use Only