LG S5000 Service Manual page 63

4. TROUBLE SHOOTING
Test Points
R724
C714
C752
(GPIO_2) BT_EN
2V8_VBT
U702
TC7SH08FS
5
1
VCC
PCM_TX
4
3
USC3
GND
2
R727
VBAT
U701 MIC5252-2.8BML
R724 330
1 6
EN BYP
2
GND
7 5
PGND NC
3 4
IN OUT
C750 C751 C713
2.2u 15p 1u
C715
0.1u
R725 0
PCM_SYNC8
2V8_VMEM
NA
C719
U703
0.1u
NLAS4717FCT1G
C2 C4
PCM_EN IN1 NO1 PCM_RX
A2 A4
PCM_TX
IN2 NO2
C3 C1
USC_1 USC1
COM1 NC1
A3 A1
USC_2 COM2 NC2 USC2
R701
10K
2V8_VBT
C726 C714 C752
0.01u 1u 15p
M700
16
(GPIO_9) BT_RST RESETB
R752
1
PIO0
2
NA
PIO1
7
PIO2
8
PIO3
9
PIO4
10
PIO5
28
NC
SPI700 13
SPI_CLK
SPI701 14
SPI_CSB
SPI702 12
SPI_MOSI
SPI703
15
SPI_MISO
- 64 -
C701
R739
M201
M700
C719
R733
R701
BT700
AMAN542012_2442
R733
FEED GND2
0
GND1
R736
R737
NA
NA
2V8_VBT
LBMA-2C67B2
22
VDD_1_8V
21
VDD_DIG
3
VDD_VREGIN
L750 22nH
C701 C702
4
2.2u 2.2u
GND1
6
GND2
11
GND3
25
GND4
27 R738 47
UART_TX DEBUG_RX
R739 47
24
UART_RX DEBUG_TX
23
UART_RTS
26
UART_CTS
R741 47
19
PCM_IN PCM_TX
17 R742 47
PCM_OUT PCM_RX
18 R743 47
PCM_SYNC PCM_SYNC8
20 R744 47
PCM_CLK USC0