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LG 32LE7500-SA Service Manual page 40

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Wireless power
WIRELE SS_DL_ RX
WIRE LESS_ T X
THE
SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORP ORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RA DIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE U SED FOR
THE CRITICAL COMPONENTS IN THE
SYMBOL MARK OF TH E SCHEMETIC.
W IRELE SS
WIRELESS READY MODEL
+24V
C8 700
R8704
C870 1
22K
0. 1uF
2.2u F
50 V
S
G
R 8705
Q8701
2 .2K
D
AO340 7A
R8 702
C
MLB- 2 01209 -0120P -N 2
10 K
WI RELESS _P WR_ EN
B
Q 8700
C 8 702
E
0 .01u F
5 0V
+3.5V _ST
NON _W IRELE SS
0
WI RELES S
R8703
R 8707
0
IC8700
WI RELES S
MC14053BDR2G
R8700
0
Y1
VD D
1
16
W IR ELESS
Y0
Y
BCM _TXD1
2
15
BCM_ TX
Z1
X
BC M_RXD 1
3
14
R87 08
Z
X1
W I RELES S
4
13
R870 6
0 NON _ WIRE LESS
Z0
X0
5
12
I NH
A
6
11
R87 01
V EE
B
0
7
10
W IRELE SS
V SS
C
8
9
KJA-PH -3-01 68
VC C[2 4V/20V /17V] _1
VC C[2 4V/20V /17V] _2
VC C[2 4V/20V /17V] _3
VC C[2 4V/20V /17V] _4
VC C[2 4V/20V /17V] _5
VC C[2 4V/20V /17V] _6
DETE CT
+3. 3V _NORMA L
IN TERRU PT
TP8 700
R8714
GND _1
1 0K
RES ET
TP8 701
R8 713
1 K
GND _2
WI RELES S_DETE C T
L87 00
I2C_S CL
WIRELE SS_SC L
I2C_S DA
WIRELE SS_SD A
GND _3
C 870 4
C8705
UART_ RX
1 0uF
10uF
W IREL ESS_RX
3 5V
35V
UART_ TX
W IREL ESS_TX
GND _4
IR
IR_ PA SS
GND _5
GND _6
RS232C & Wireless
C 870 3
0 .1u F
0
WIRELESS_SW_CTRL
W IR ELE SS_DL_ TX
W IR ELE SS_RX
HIGH
+3.5 V_ST
B CM_RX
LOW
WI RELES S_SW_C T RL
J K 8700
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
SH IELD
SELECT PIN
STATUS
X1/Y1/Z1
WIRELESS Dongle connect --> WIRELESS RS232
X0/Y0/Z0
WIRELESS Dongle Dis_con --> S7 RS232
12

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