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Flow Chart of Troubleshooting
BT_WAKE
HOST_WAKE
BT_CLK_REQ
BT_RF
C141
FM_LOUT
C142
FM_ROUT
FM_ANT
C144
L126
3.0V_DIG_BT
C127
C126
V_BT_1.2V
C130
C131
C128
TP107
H2
GPIO0
TP108
G2
GPIO1
H1
GPIO2
B2
GPIO5
A1
GPIO6|FM_IRQ
E8
BT_RFP
A3
SPARE
A4
SPARE
B3
FM_AOUT_L
B4
FM_AOUT_R
U106
B8
FM_RXN
A8
FM_RXP
C8
FM_LNA2
C145
A7
SPARE
B5
SPARE
F4
SPARE
D5
I2S_DO
E5
I2S_WS
E4
I2S_CLK
D4
SCL|I2C_CK
D3
SDA|I2C_DA
BT+FM RADIO
TP50 0
TP503
TP501
L123
C144
L501
C129
L126
L502
C515
C132
C522
C133
C521
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V_BT_1.2V
3.0V_DIG
3.0V_DIG_BT
R108
C129
C132
C133
F3
COEX2
COEX_IN
E6
COEX0
COEX_OUT0
E3
COEX1
COEX_OUT1
TP109
F1
PCM_IN
PCM_IN
TP110
E2
PCM_OUT
PCM_OUT
TP111
F2
PCM_SYNC
PCM_SYNC
TP112
E1
PCM_CLK
PCM_CLK
G4
CLK32K
LPO_CLK
TP113
D2
UART_RXD
UBTX
C1
UART_TXD
TP114
C3
UART_CTS_N
UBRTS
B1
UART_RTS_N
H6
BT_CLK
XIN
G6
XOUT
H4
VREG
H5
VREGHV
TP115
G5
VREG_CTL
BT_PWR
F6
TM0
C5
TM2
3.0V_DIG_BT
C6
TM3
F7
RES
A2
TCXO_MODE
R116
R116
C127
C126
9-25
3.0V_DIG
UBRX
3.0V_DIG_BT
UBCTS
V_BT_1.2V
3.0V_DIG_BT
C150
C149
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