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Flow Chart of Troubleshooting
5-2
C210
10UF/6.3V
D110
MCL4154
C200
10NF
C179
1UF
47uH
L102
BTC-0309-470M
R192
NC
C150
0
R191
9
OUT
10
REF
5
_LBO
3
_SHDN
6
10UF/6.3V
MAX1676EUB-T
U117
7
BATT
4
CLSEL
FB
1
8
GND
2
LBI
LX
1UF
100NF
C175
C202
D108
CRS04-TE85L
1K
R101
C209
100UF/6.3V
10UF/6.3V
C196
RB414
BAT101
R164
200
C190
100PF
1UF
C214
GND
2
NC
4
ON/OFF
3
VIN
1
5
VOUT
2
GND
NC
4
ON/OFF
3
VIN
1
VOUT
5
U110
LP2981AIM5X-3.0
LP2981AIM5X-3.0
U119
C156
27PF
C211
10NF
10UF
10UF/6.3V
C185
10NF
C208
10UF/6.3V
C198
10NF
C162
C191
3
ON/OFF
1
VIN
VOUT
5
LP2985AIM5-3.0
U122
BYPASS
4
2
GND
C103
100NF
C110
1UF
LP2985AIM5-3.3
U116
BYPASS
4
2
GND
3
ON/OFF
1
VIN
VOUT
5
1UF
C203
+VBATT
RTC_3V3
ALERT_VCC
RTC_VCC
POWER
VCC
AVCC
3.3V
Summary of Contents for SGH-N300
Page 2: ...Samsung Electronics Co Ltd Printed in Korea 06 2001 Rev 1 0 GH68 02097A ELECTRONICS ...
Page 11: ...Exploded Views and Parts List 1 8 1 10 Desk Top Charger DESK TOP CHARGER GH44 00206A ...
Page 12: ...2 1 PCB Diagrams Schematic Diagrams 2 PCB Diagrams 2 1 Main Top ...
Page 13: ...2 2 PCB Diagrams Schematic Diagrams 2 2 Main Bottom ...
Page 41: ...Flow Chart of Troubleshooting 5 12 J101 SPK101 U110 PWO1P PWO1N SPK SPK 6 2 3 SPK SPK ...