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4.16 Bluetooth Trouble
TEST POINT
CIRCUIT
C430
0.75p
C420
C419
DNI
2p
DBB_BT_INT
BT_DBB_INT
FSYS_EN
LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
C430
C419
Figure 4.16.1
VAUX
R400
0
C403
2.2u
R411
15K
G4
FL400
RES
LFB212G45SG8A166
D1
RFP
IN
OUT
GND1
GND2
F7
SCL
SFCY0000901
E7
SDA
A8
SPIM_CLK
C7
SPIM_CS_N
C423
1000p
A4
CLK32K
LPO_IN
C424
1000p
G2
BT_CLK
XIN
G3
XOUT
B5
GPIO_0
B3
GPIO_1
E6
TCXO_OR_OUT_GPIO_5
E3
TCXO_OR_IN_GPIO_6
B7
R417
R418
R419
GPIO_7
100K
100K
100K
R420
0
ANT403
1V81_VDD
R401
0
FB400
C400
0.01u
C404
0.01u
C405
2.2u
U401
BCM2070
UART_RTS_N
UART_CTS_N
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
- 103 -
4. TROUBLE SHOOTING
C401
10p
R407
C402
0.01u
0
C406
0.01u
C414
C415
R409
DNI
10p
1u
C418
1000p
B4
RST_N
nBT_RESET
B2
REG_EN
1V81_VDD
C4
TM0
R413 0
F3
TM2
F6
PCM_TX
PCM_IN
PCM_TX
G6
PCM_RX
PCM_OUT
PCM_RX
F4
PCM_CLK
PCM_CLK
PCM_CLK
F5
PCM_SYNC
PCM_SYNC
PCM_SYNC
C8
BT_RXD
UART_TXD
BT_RXD
D8
BT_TXD
UART_RXD
BT_TXD
D7
BT_CTS
BT_CTS
E8
BT_RTS
BT_RTS
R415
R416
DNI
DNI
1V81_VDD
LGE Internal Use Only
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