Wireless Ready Model - LG 42LX6500 Service Manual

From wireless_I2C to micom I2C
+3.3V_NORMAL
Q103
FDV301N
WIRELESS_SDA
OPT
WIRELESS_SCL
OPT
R123
R124
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.
WIRELESS
Copyright © 2010 LG Electronics. Inc. All rights reserved.
Only for training and service purposes

WIRELESS READY MODEL

Wireless power
+24V
WIRELESS_PWR_EN
SDA2_3.3V
Q104
FDV301N
SCL2_3.3V
0 WIRELESS
0
WIRELESS
WIRELESS
R8700
WIRELESS_DL_RX
0
WIRELESS_TX
BCM_TX
R8701
0
WIRELESS
R8704
C8700
C8701
22K
0.1uF
2.2uF
50V
S
G
R8705
Q8701
2.2K
D WIRELESS_DETECT
AO3407A L8700
WIRELESS_SCL
R8702 C
MLB-201209-0120P-N2
10K
B
WIRELESS_SDA
Q8700
C8702
C8704 C8705
E
0.01uF
50V 10uF 10uF
WIRELESS_RX
35V 35V
WIRELESS_TX
IR_PASS
+3.5V_ST
NON_WIRELESS
WIRELESS
0
R8703
R8707
0
IC8700
MC14053BDR2G
Y1 VDD
1 16
WIRELESS
C8703
Y0 Y 0.1uF
BCM_TXD1
2 15
Z1 X
BCM_RXD1
3 14
R8708
0
WIRELESS_DL_TX
Z X1
WIRELESS
4 13
WIRELESS_RX
R8706
0 NON_WIRELESS +3.5V_ST
Z0 X0
5 12
BCM_RX
INH A
6 11
VEE B
7 10
VSS C
8 9
JK8700
KJA-PH-3-0168
VCC[24V/20V/17V]_1
1
VCC[24V/20V/17V]_2
2
VCC[24V/20V/17V]_3
3
VCC[24V/20V/17V]_4
4
VCC[24V/20V/17V]_5
5
VCC[24V/20V/17V]_6
6
+3.3V_NORMAL DETECT
7
INTERRUPT
8
TP8700
GND_1
R8714
9
10K
RESET
10
TP8701
R8713 1K
GND_2
11
I2C_SCL
12
I2C_SDA
13
GND_3
14
UART_RX
15
UART_TX
16
GND_4
17
IR
18
GND_5
19
GND_6
20
21
SHIELD
RS232C & Wireless
WIRELESS_SW_CTRL SELECT PIN
HIGH X1/Y1/Z1 WIRELESS Dongle connect --> WIRELESS RS232
LOW X0/Y0/Z0 WIRELESS Dongle Dis_con --> S7 RS232
WIRELESS_SW_CTRL
STATUS
12
LGE Internal Use Only