User Guide

SAMSUNG Proprietary-Contents may change without notice
SGH-A500 Flow Chart of Troubleshooting and Circuit Diagrams
6-16
18. Power Management Circuit Diagram
3
X5R TYPE
A
1%
8
B
Shee t
Engineer
Time Changed
Drawn by
X5R TYPE
C C
6
6
2
Size
of
1
2 5 7
X7R TYP E
3
E
REV QA CH K
F
City
Address
D
DOC CTRL CH K
R&D CH K
user10 1:51:59 pm
user 3
user 3
2002 -09 - 30
TITLE :
B
E
F
A
5
8
6
4
Drawing Numbe r Date Changed Changed by
MFG ENGR CH K
D
7
COMPANY NAME
4
6
1
2.2UF
C605
SGH-A500_REV1.9 B
A3
1.9B
R603
20 K
C60 1
25
VSSA
VSSD
13
26
VSSD
VSSD
40
VSSP W
10
27
VSSR
/RESET
17
10U F
VDDPW
8
35
VDDRF
VINT
24
VRF 1
31
VRF 2
37
36
VRF 3
VRT C
30
21
VSIM
VANA
3
6
VBAT S
VCHC
4
5
VCHS
VCXOE N
38
39
VDDA
23
VDDB
7
VDDCH
18
FB
14
INTOUT
29
IREF
19
ON
15
SC L
SD A
16
SW
9
22
V3 V
10UF
U601
BYP
28
VSENSE
C602
U60 2
DRIVE
6
GND
2
1
ISENSE
PROG
4 3
VCC
5
C63
4
1U
F
1K
VBA T
R61 1
2.7K
R610
47K
R609
2.2UF
C610
C611
2.2UF
C613
100N F
C617
2
NE
G
1
PO
S
22uH L602
VRF1
R604 1K
VRTC
C606
2.2UF
VINT
R60 6
0.1
C609
2.2UF
VBA T
C614
100UF
6.3 V
VBA T
V3V
VSI M
VINT
56
4
C604
10U F
10V
Q601
3
12
VRF2
VBA T
3
1
4
C607
2.2UF
U60 5
2
5
6
C615
2.2UF
16 V
L601
0
Q602
2
3
1
220N F
C630
154K,1%
VDD_SD
VANA
2.2UF
C608
R602
POWER_O N
RESETQ
ISENSE
TA +
EP_SD A
EP_SC L
RTCOUT
VCXO_EN
EP_INT
KP9
KP0