LG -T300 Service Manual page 101

4. TROUBLE SHOOTING
TP6_C432
CIRCUIT
TP1 TP2
AMAN301512ST01
C444
FEED
1
GND2 GND1
3 2
ANT403
1n
C443
LGE Internal Use Only
Figure 4.16
BLUETOOTH
VAUX
TP6
TP2
FL403
C437 750f
3 1
OUT IN
4 2
1.5n GND2 GND1
2450MHz
C429 C430
DNI DNI
TP4
CLK32K
BT_CLK
TP5
DBB_BT_INT
TP405
BT_DBB_INT
FSYS_EN TP406
.
TP3_C429
TP5_C440
.
.
TP7_C433
TP4_C441
1V8_VDD
C436 10n FB401
TP7
C428 1u
C433
C432
10n
2.2u
D6
R402 15K
RES
C7
RFP
E1
SCL
D1
SDA
C1
SPIM_CLK
E2
SPIM_CS_N
U402
C441 1n B4
LPO_IN
C440 F5
1n
XIN
E5
XOUT
C3
GPIO_0
D5
GPIO_6
B3
GPIO_1
F4
GPIO_5
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Copyright © 2010 LG Electronics. Inc. All right reserved.
600
C434 10p
C435 10n
C439
C438
1u
10p
C431
1V8_VDD
1n
C5
BT_RESET
RST_N
B5
REG_EN
C6
TM2
D4
PCM_IN
E4
PCM_OUT
C4
PCM_CLK
A4
PCM_SYNC
C2
UART_TXD
D2 TP401
UART_RXD
F2
TP402
UART_RTS_N
E3 TP403
UART_CTS_N
TP404
B2
HUSB_DN
A2
HUSB_DP
Only for training and service purposes
PCM_TX
PCM_RX
PCM_CLK
PCM_SYNC
BT_RXD
BT_TXD
BT_CTS
BT_RTS