Samsung SGH-P310 Service Manual - Page 39
Flow Chart of Troubleshooting and Circuit Diagrams
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Flow Chart of Troubleshooting and Circuit Diagrams VBAT VCCD_1.8 VCCD_1.6 VCCD_1.8CON C306 10UF 10V C305 10uF 6.3V C322 0.33NF U300 LTC3548EDD-1A 1 VFB1 VFB2 10 2 VOUT OUT2 9 3 VIN RUN1 8 C323 0.33NF L301 4 SW1 SW2 7 2.2uH 5 GND L300 RUN2 6 GND 11 2.2uH C307 10uF 6.3V R300 47K 9-3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting and Circuit Diagrams
9-3
This Document can not be used without Samsung's authorization
2.2uH
L301
C305
10uF
6.3V
C323
0.33NF
VCCD_1.6
10V
10UF
C306
R300
47K
6.3V
C307
10uF
VFB2
10
3
VIN
VOUT
2
11
GND
GND
5
9
OUT2
RUN1
8
6
RUN2
SW1
4
SW2
7
VFB1
1
2.2uH
U300
LTC3548EDD-1A
L300
C322
0.33NF
VCCD_1.8CON
VCCD_1.8
VBAT