Samsung B2700 Service Manual page 51

Flow Chart of Troubleshooting
C516 C515
R507 R506
R508
ZD606
C522
C527
C606
R511
C607
ZD603
R607
R608
D301
D300
C615
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
<IF Conn.>
ZD600
L601
C529 L602
R604 L603
R605 L604
L605
R600 L606
C604
ZD602 R609
ZD601 R610
TP316
ZD600
L600
C607
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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
10-14
VBAT IFC600
L601
L602
L603
L604
L605
L606
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