Samsung SGH-V205 Service Manual page 31

12. Power&SIM Circuit Diagram
1
C102
2.2UF
A
B
C
KEY_COL(2)
KEY_ROW(0)
D
E
F
1
2 345
CN100
1
1 4 4 C100
2 2
55 33PF
3
3 6 6
C101 G G G G
C104
C105
100NF 78 91 0
33PF
33PF
SIMDAT A
SIMCL K
SIMRST
C10 6 68NF
TA_VEXT
R104
10 RESET_IN T
RS T
C107
10NF
CHG_DE T
PWR_KEEP
PWR_ON
JIG_O N
R107
330K
VRTC
R108
390K
3
RTCALARM
1
EN_VRF
2
Q100 EN_VPAC
XOENA
UP_SDI
UP_SCLK
UP_CS
ISENSE
1
2 GND
3
VCC
TA_VEX T
C126
10UF
10V
U102
1 6
2
CHG_ON
5
3
4
2 3
SAMSUNG Proprietary-Contents may change without notice
C103
100NF
U100
64
34
UC_I O CRE F
65 VRE F 35
UC_CL K VRE F
66
UC_RST
13
VLDO_ 1
61 15
SIM_RS T VLDO_ 2
46
62 SIM_CL K
VLDO_ 3
44
63 SIM_I O VLDO_ 4
43
60 VSIM
VL4S_ A
42
VL4S_B
39
59
CPCP VLDO_ 5
38
57
CPCN VL5S_ A
37
7
VACC VL5S_B
49
68
ACC_AL M VLDO_ 6
4 52
VEXT VLDO_ 7
3
VRTC 12
CFET_DRV
27 RING_PWM 19
_RESET_I
28 9
VBAT
_RESET_O RING_DRV
8
1 VIB_DRV
11
CHG_STAT0 LED_DRV BACKLIGHT
14
2
CHG_STAT1 VDD12
47
29
CHG_DE T VDD3
45 C118
67
EOR_ACC VDD4
32
40 2.2U F
PWR_KEEP VDD5
51 48
VDD6
50 53
PWR_SW 2 VDD7 VBAT
33
5
_RTC_AL M VDDQ
30 R10 6
6
31 PSW1BUF VBAT 2.4
58
PSW2BUF VDDCP
54
BAT_TEMP
20
10 C119 C120
EN_ 3 GNDD1
21
36 2.2UF 100NF
EN_4/EN_4S GNDA
22
55
EN_ 5 GNDA
23 56
EN_5S GNDCP
24 41
EN_ 6 GNDQ
25 69
EN_ 7 GND
26 70
EN_ R GND
71
16
SD I GND
72
17
SCLK GND
18
_CS
PWR_SW1
Q101
6
5
2
4
1
U101
3
6
DRIVE
5
VSENSE VBAT
4
PROG
C125
10UF
6.3V
R111
10K,1 %
ICHRG
R11 2
47K,1%
TA_VEXT
R113
3K
Changed by
user8
4 5
6-13
SGH-V205 Flow Chart of Troubleshooting and Circuit Diagrams
67
VCC_1.8A VCCD VRF VPAC VOSC VCCA VCCB VRTC
R103
1.2K
C114 C11 5 C116
C109 C110 C111 C112 C113
2.2U F 2.2UF 2.2UF
2.2UF 2.2U F 2.2UF 2.2UF 100PF
POWER
Engineer
JD Yang
Drawn by
JD Yang
R&D CH K
TITLE :
DOC CTRL CH K
MFG ENGR CH K
Date Changed Time Changed QA CHK REV
2002.10.21
08
3:09:15 pm
6 7
8
A
B
M101
C
D
E
COMPANY NAME
Address
F
City
Size
A3
SGH-V20 5
Drawing Number
Shee t of
11 1
8