Samsung GT-E2120 Service Manual page 45

Flow Chart of Troubleshooting
KEY_EN
VBAT
U302
MIC5365-3.3YMT
1
4
VIN VOUT
2
3
EN GND
C308
TP_GND
TP_RSTON
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R314 R315
C309
LED300 LED301
KEY LED
R215
C237
R211
R214
U300
R320 C313
9-22
R316 R317 R318 R319
LED302 LED303 LED304 LED305
R308
R306
R124
U301
C307
R311 C304 L300
U310