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LG 42LE4300 Service Manual page 28

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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.
All manuals and user guides at all-guides.com
WIRELESS READY MODEL
Wireless power
+24V
R2604
C2601
C2602
22K
0.1uF
2.2uF
50V
S
G
R2605
Q2602
27K
WIRELESS
D
WIRELESS_DETECT
AO3407A
R2607
WIRELESS
0
R2603
C
WIRELESS_SCL
10K
WIRELESS_PWR_EN
1/4W
B
WIRELESS_SDA
3216
Q2601
WIRELESS
C2603
WIRELESS
E
0.01uF
50V
WIRELESS_RX
WIRELESS_TX
IR_PASS
+3.5V_ST
+3.3V_Normal
OPT
OPT
0
R2608
R2618
R2606
0
0
IC2601
WIRELESS
0
MC14053BDR2G
R2601
WIRELESS_DL_RX
Y1
VDD
1
16
WIRELESS_TX
C2604
OPT
OPT
Y0
Y
0.1uF
S7_TXD1
2
15
S7_TXD
Z1
X
S7_RXD1
3
14
R2615
0
WIRELESS_DL_TX
Z
X1
WIRELESS
4
13
WIRELESS_RX
R2619
0
+3.5V_ST
Z0
X0
5
12
S7_RXD
INH
A
6
11
R2620
0
VEE
B
7
10
WIRELESS
VSS
C
8
9
JK2601
KJA-PH-3-0168
From wireless_I2C to micom I2C
VCC[24V/20V/17V]_1
1
VCC[24V/20V/17V]_2
2
VCC[24V/20V/17V]_3
WIRELESS_PWR_EN
3
VCC[24V/20V/17V]_4
4
VCC[24V/20V/17V]_5
5
VCC[24V/20V/17V]_6
6
DETECT
+3.3V_Normal
7
INTERRUPT
8
TP2601
GND_1
R2612
9
10K
RESET
10
TP2602
R2617
1K
GND_2
11
I2C_SCL
12
AMP_SDA
I2C_SDA
13
GND_3
14
UART_RX
15
UART_TX
16
AMP_SCL
GND_4
17
IR
18
GND_5
19
GND_6
20
21
SHIELD
RS232C & Wireless
WIRELESS_SW_CTRL
SELECT PIN
STATUS
HIGH
X1/Y1/Z1
WIRELESS Dongle connect --> WIRELESS RS232
LOW
X0/Y0/Z0
WIRELESS Dongle Dis_con --> S7 RS232
WIRELESS_SW_CTRL
Ver. 1.2 --> 1.3: wireless opt change, 090818, hongsu
OPT
+3.3V_Normal
R2602
10K
OPT
OPT
OPT
WIRELESS_SDA
Q2604
FDV301N
OPT
WIRELESS_SCL
Q2605
FDV301N
WIRELESS
R2611 0
R2613 0
WIRELESS
GP2_Saturn7M
Wireless ready
Ver. 1.3
12

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