Samsung SPH-A900 Service Manual page 47

DC_VOLT
ZD201
VPD
D200
SDS511Q
VICHG
DC_SENS
ON_SW_SENSE
ON_SW
R205
HP_PWR
PS_HOLD
HRESET
SDA_PM
SCL_PM
EAR_REF
EAR_DET
EAR_MIC+
SEND_END
USB_OE_N
USB_SUSPEND
USB_DATA
USB_VPO
USB_VMO
C225 C226
C200
TA204
C206
U200
35 34 30 9 4
C208
R201
REFBP
36
VL
LX1
37
VICHG PGND1
38
_AC_OK FB1
2
_ONO LX2
46
PWR_ON PGND2
26
HP_PWR FB2
41
PWR_HOLD
_RESET
42
_HRESET OUT1
25
DATA OUT2
40
CLK
OUT3
11
INV1 RX_EN
12
COMP1 OUT4
15
INV2
14
COMP2 OUT5
TCXO_EN
16
_OE OUT6
17
SUSPEND OUT7
20
RCV OUT8
21
VP OUT9
22
VM
C215 GND
C227
NC
NC
44 23 24 1918
C228
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C201 C202 C203
TA205
ZD200
C207
45
L200
31
32 R202
33
C209
R203
29 76.8K
28 R204 L201
27
C211
R206
48
10
8
13
43
7
1
39
47
3
5
6
49
C216 C217 C218 C219 C220 C221
50
51
D201
7-19
Flow Chart of Troubleshooting
S3.6
V_BAT
VPD
R200
V_MSMCORE
C210
V_MSMC
C212
RESETIN_N
VPD
VPA
V_RFRX
RX_CTRL
VDD_LCD_2.85
V_TCXO
TCXO_CTRL
V_SYNTH
V_RFTX
VDD2.6
MOTOR_EN
C222 C223 C224
V_BUS
VPULL
D+_IN
D-_IN