LG KM710 Service Manual - Page 54
Checking BT RF OUT
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4. Trouble Shooting 4.3.1.4 Checking BT RF OUT H1 RFP H2 RFM JTAG_TDI C3 E6 JTAG_TDO B5 JTAG_TMS D4 JTAG_TCK HCI_TX E5 HCI_RX E4 HCI_CTS E8 E7 L100 1.2nH L101 1.2nH RFIO_OUT C103 1.5p LFB2H2G45BB1A243 FL100 1 6 2 GND1 UP 5 3 BP1 NC 4 BP2 GND2 C105 100p BT_RX BT_TX BT_RTS C102 1000p L102 100nH OUT100 OUT101 C104 DNI Check with Spectrum Analyzer in BT Equipment connection status. Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 55 - LGE Internal Use Only
4.3.1.4 Checking BT RF OUT
- 55 -
4. Trouble Shooting
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc.
All right reserved.
Only for training and service purposes
Check with Spectrum
Analyzer in BT Equipment
connection status.
H2
RFM
RFP
H1
D4
JTAG_TCK
JTAG_TDI
C3
E6
JTAG_TDO
JTAG_TMS
B5
E8
HCI_CTS
E7
E4
HCI_RX
HCI_TX
E5
100nH
L102
C103
1.5p
1.2nH
L100
FL100
LFB2H2G45BB1A243
2
BP1
BP2
3
1
GND1
4
GND2
5
NC
6
UP
OUT101
1000p
C102
L101
1.2nH
RFIO_OUT
C105
100p
OUT100
C104
DNI
BT_TX
BT_RTS
BT_RX