LG 42LD460B/H 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.
WIRELESS READY MODEL
W i r e l e s s p o w e r
+24V
R2604
C2601
22K
C2602
0 . 1 u F
2 . 2 u F
50V
G
R2605
Q2602
27K
WIRELESS
WIRELESS_DETECT
R2607
WIRELESS
0
WIRELESS_SCL
R2603
C
10K
WIRELESS_PWR_EN
1/4W
B
WIRELESS_SDA
3216
Q2601
WIRELESS
C2603
WIRELESS
E
0 . 0 1 u F
50V
WIRELESS_RX
WIRELESS_TX
+3.5V_ST
+3.3V_Normal
OPT
OPT
IC2601
WIRELESS
MC14053BDR2G
WIRELESS_DL_RX
Y1
VDD
1
16
WIRELESS_TX
C2604
OPT
Y0
Y
S7_TXD1
0 . 1 u F
2
15
S7_TXD
Z1
X
S7_RXD1
3
14
WIRELESS_DL_TX
Z
X1
WIRELESS
4
13
WIRELESS_RX
+3.5V_ST
Z0
X0
5
12
S7_RXD
INH
A
6
11
VEE
B
7
10
WIRELESS
VSS
C
8
9
JK2601
KJA-PH-3-0168
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
+3.3V_Normal
DETECT
7
INTERRUPT
8
TP2601
GND_1
R2612
9
10K
RESET
10
TP2602
R2617
1K
GND_2
11
I2C_SCL
12
I2C_SDA
13
GND_3
14
UART_RX
15
UART_TX
16
GND_4
17
IR
18
IR_PASS
GND_5
19
GND_6
20
21
SHIELD
RS232C & Wireless
OPT
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
V e r . 1 . 2 - - > 1 . 3 : w i r e l e s s o p t c h a n g e , 0 9 0 8 1 8 , h o n g s u
From wireless_I2C to micom I2C
OPT
+3.3V_Normal
R2602
10K
OPT
OPT
OPT
AMP_SDA
WIRELESS_SDA
Q2604
FDV301N
OPT
AMP_SCL
WIRELESS_SCL
Q2605
FDV301N
WIRELESS
R2611
0
R2613
0
WIRELESS
STATUS
GP2_Saturn7M
W i r e l e s s r e a d y
V e r . 1 . 3
12

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