Samsung SGH-E715 Service Manual page 16

C101 C102
C103
33PF 33PF
470N F
SIMRST
SIMCLK
SIMDATA
VBAT
VRTC
R11 0
390K
TA_VEXT
PWR_O N
JIG_ON
RTCALAR M
PWR_KEEP
C105 R114
UP_SDI
100N F 330K
UP_SCLK
UP_CS
EN_VRF
KEY_COL(2) EN_VPAC
3
1
XOEN A
2
KEY_ROW(0) Q100
TA_VEXT
R118
CHG_DET
10K,1%
3
Q102
1
DTC144EM
2
CHG_O N
SGH-E715 Flow Chart of Troubleshooting and Circuit Diagrams
CN100
1 4
1
4
2 2 5
5
3 6
3
6
G G GG
7 89 10
C100
33PF
C104
100NF
49 50 51 48 29 30 28 6
54
UP_RST
53
UP_CLK
52 UP_IO
44 ADC_AUX1
45
ADC_AUX2
56
ADC_TRIG
3 VACC
2 VBA T
1
VEXT
43
BTEM P
46
PWR_SW1N
47
PWR_SW 2
13
RTC_ALM N
21
PWR_KEEP
20 PSW1_BUF
14
U100
INTRQ
15
SDI
16
SDO
17
SCLK
18
CSN
22
EN_3
23
EN_4[0]
24
EN_4[1]
25
EN_5
26
EN_5A
27
EN_5B RESETN
55 RING_PW M
57
GN D
58
GN D
59
GN D
60
GNDD
5 4 78
U101
ISENSE
1
DRIVE
GND
2
VSENSE
3 VCC PRO G 4
C117
10UF
10V
U103
6
1
2
R120
47K,1%
5
3
4
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
VBA T VCC_1.8A VCC D VRF
VREF
VLDO_7 40
41
VDD67
42
VLDO_6
32
VL5S_A
31
VL5S_B
33
VLDO_5
34
VDD5
36
VL4S_A
35
VL4S_B
37
VLDO_4
38
VDD34
39
VLDO_3
12
VRTC
11
VLDO_2
19
9
VLDO_1
10
VDD12
C107 C108 C109 C110
470NF
2.2UF 2.2U F
10U F
10V
BACKLIGHT2
BACKLIGHT1
Q101
6
5
2
4
1
VBAT
3
6
5
C116
10U F
10V
R119
10K,1%
TA_VEXT
R121
3K
2-5
VPAC VOSC VCC A VCC B VRTC
C106 C113
C111 C112
C114 C115
10U F
2.2U F 2.2U F
2.2U F
10V 2.2U F 100PF
ICHRG
R115
1.2K
RST
M1