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4.10 Bluetooth trouble
Bluetooth supplied voltages are generated by the PM6658.
Those signal’s path are : PM6658
→
VREG_MSMP_2.7V and VREG_BT_2.85V is asserted
→
TCXO_BT 19.2MHz is asserted
→
Bluetooth ON
→
BT_TX_RX_N is High
→
BT serial interface
control is operated (SBST / SBCK / SBDT)
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
BLUETOOTH
C1097
C1086
0.1uF
1u
C1090
2.2u
DNI
C1084
2.2u
C1102
100p
100p
C1101
C1098
C1080
2.2nH
3.9nH
L1013
FEED
GND1
GND2
5
VBB_OUT
3
VCC_OUT
2
14
VDD_BAT
VDD_MSM
10
7
XTAL_IN
AMAN802012LG13
AN1003
16
ANT
CLK_REF
9
1
GND1
GND2
6
GND3
8
GND4
15
17
PGND1
PGND2
18
PGND3
19
20
PGND4
13
RX_BB_TX_BB
11
SBCK
SBDT
12
4
SBST
SYNC_DET_TX_EN
RBRQ-R001A
M1000
C1095
1000p
C1085
1000p
BT_SBCK
BT_SBST
BT_TX_RX_N
BT_DATA
TCXO_BT
VREG_MSMP_2.7V
VREG_BT_2.85V
BT_CLK
BT_SBDT
51
R3013
DNI
R3014
0
R3015
E4
TCXO_EN_2
TCXO_OUT_1
H10
B10
TCXO_OUT_2
F11
TCXO_EN_2
TCXO_BT
TCXO_MSM
[Fig.] Schematic of Bluetooth Interface
Pin #12
Pin #11
Pin #4
12MHz
19.2MHz
PM6658
Z3X-BOX.COM
Содержание KF310
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