Samsung B2700 Service Manual page 42

FM_ANT
VDD_IO_HIGH_2.9V
R601
R600
EARMICP
EARMICN
EARSPK_R
EARSPK_L
EARSW
JACKIN
EAR_ADC
TXD1
RXD1
TXD1_J
RXD1_J
AUX_ON
USBDP
USBDM
USB_D+_J
USB_D-_J
C606
VF
VBAT
MES_BATT
C605
ZD600
L600
C607
<BATT CON>
R612
R606
TA600
BTC600
R611
C600
R613
VR600
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VDD_IO_LOW_1.8V
VDD_IO_HIGH_2.9V
VBUS_5V
VCHG_5V
R602 R603
R604
R605
R607
R608
R609
R610
C602 C603 C604
ZD604 TA600
C601
10-5
Flow Chart of Troubleshooting
VBAT
L601
L602
L603
L604
L605
L606
VCC_ADC_2.8V
R606
BTC600
1
1
2
2
3
3
4
NC
5
NC
6
NC
7
NC
R612
IFC600
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13 13
14
14
15
15
16 16
17
17
18 18
19
19
20
20
21
NC
22 NC
23 NC
24
NC
25 NC
26
NC
27
NC