Samsung GT-S3370 Service Manual page 52

Flow Chart of Troubleshooting
F201
R208
C239
4
1
UMTS2100_TX IN OUT
G G G
R209 2 3 5
R210
UMTS_PA_RANGE1
UMTS_PA_RANGE0
UMTS2100_PA_EN
C226 C227
L404
C410
L402
C443
C446
R306 C405 C406
OSC400
C432
TCX200
C213
C215 R205 R204 C214
VBAT
L220
C221
PAM201
1 10 L221
VCC1 VCC2
2 9
RFIN RFOUT
3 8
VBP ISO
4 7
VMODE GND
L218
5 6
VEN CPL
PWR_DET_2100
C229 C230 R207
C228
INTERNAL COUPLING 20dB
UMTS2100 PAM
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R407
C416
C441
C201
C236
L213
L110 L107 L104
C123 C119 C117
C415 C437
L212
C238
C438
L219
C436
FEM100
L400
R107
L217
L201
C207
DUF200
C203
L117
C115
C240
L219
UMTS2100_ANT
C238
DUF201
C222
1
RX
3
TX
8
RX
L212 L213
C224
C225
ANT
GSM RX
GSM TX
DCS 1800 RX
DCS 1800 TX
PCS 1900 RX
PCS 1900 TX
WCDMA 2100 RX
WCDMA 2100 TX
WCDMA 900 RX
WCDMA 900 TX
POWER
9-24
R209
R208
C107
UMTS2100_RXP
UMTS2100_RXM