Samsung SGH-B100 Service Manual page 41

Flow Chart of Troubleshooting
R301
VR40 0 VR401
C324 R317
C612
C323
C501
SC103
U400
R400
C400
C406
C407
C302
C313
C308
C315
C317
C312
C301
C300
C320
TA_VEXT_5V
ICHRG
JIG_ON_IF
C322
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L606 L603
C614 L605
VR301
R305
R306
VR302
R307
R308
R303
R309
L600
R310
C327
R311
R312
R313
R501
TA500
R506
C402
C403
C404
R417
R411 R409 C418
R406 R408 C417
C321
C316
PWR_KEEP
GND
C213
C132
R316
R317
C323 C324 R318
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VBAT
U301
1 8
IN
BATT
2 7
GND
ACOK_
3 6
ISET
EN_
4 5
JIGIN
JIGON
9
10-10
CHG_DET
CHG_OFF
JIG_ON
C325