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Bluetooth - LG OK99 Service Manual

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7. BLUETOOTH

BT_TX
B B T_TX
28
BT_TX
29
BT_RX
BT_RX
BT_RX
BT_RST
30
BT_RST
BT_RST
Fig 7. BT_TX / BT_RX / BT_RST
(CN504 pin4, 6, 9)
BT Module<-> Main
CN504
SDA
1
28
SCL
2
GND
3
TXD
4
GND
5
RXD
6
RTS
7
29
CTS
8
RESET
9
VDD
10
TP510
3.3VA
L502
3.3VA
R5B1
4.7K
R5B2
4.7K
TP501
L505
BT_DAT
TP502
L506
BT_ADC_SCL
TP503
L507
TP504
NC
BT_TX
BTGND
L508
TP505
DGND
BT_RX
TP506
R501
0OHM
BT_RTS
TP508
R504
0OHM
BT_CTS
TP509
R507
0OHM
BT_RST
30
DGND
3-39
Copyright © 2018 LG Electronics Inc. All rights reserved.
Only for training and service purposes.

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