LG 55LX9500 Service Manual page 43

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W i r e l e s s p o w e r
WIRELESS_DL_RX
WIRELESS_TX
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.
RELESS
WIRELESS READY MODEL
+24V
R8704
C8700
22K C8701
0 . 1 u F
2 . 2 u F
50V
G
R8705
Q8701
2.2K
R8702 C
MLB-201209-0120P-N2
10K
WIRELESS_PWR_EN
B
Q8700
C8702
E
0 . 0 1 u F
50V
+3.5V_ST
NON_WIRELESS
WIRELESS
IC8700
NON_3DTV
MC14053BDR2G
Y1 VDD
1 16
WIRELESS
Y0 Y
BCM_TXD1
2 15
BCM_TX
Z1 X
3 14
Z X1
4 13
NON_WIRELESS
Z0 X0
5 12
INH A
6 11
VEE B
7 10
WIRELESS
VSS C
8 9
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
+3.3V_NORMAL
INTERRUPT
TP8700
TP8701
R8713 1K
WIRELESS_DETECT
L8700
WIRELESS_SCL
WIRELESS_SDA
C8704 C8705
UART_RX
10uF 10uF
WIRELESS_RX
35V 35V
UART_TX
WIRELESS_TX
IR_PASS
RS232C & Wireless
C8703
0 . 1 u F
BCM_RXD1
WIRELESS_SW_CTRL
WIRELESS_DL_TX
NON_3DTV
WIRELESS_RX
HIGH
+3.5V_ST
BCM_RX
LOW
WIRELESS_SW_CTRL
JK8700
KJA-PH-3-0168
1
2
3
4
5
6
DETECT
7
8
GND_1
9
RESET
10
GND_2
11
I2C_SCL
12
I2C_SDA
13
GND_3
14
15
16
GND_4
17
IR
18
GND_5
19
GND_6
20
21
SHIELD
SELECT PIN STATUS
X1/Y1/Z1 WIRELESS Dongle connect --> WIRELESS RS232
X0/Y0/Z0 WIRELESS Dongle Dis_con --> S7 RS232
12