Samsung SCH-i830 Service Manual page 45

VBAT
AVCC30
L501
R552
C554
RSPKOUT
C555
AMP_EN
VBAT
AVCC30
L502
R553
C561
LSPKOUT
C563
AMP_EN
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C551
C552
B1 A2
VDD VSS
R539
A1 VIP
C1 VIM
R540
1 2
C557
C558
100NF
B1 A2
VDD VSS
R545
A1
VIP
C1 VIM
R546
12
7-19
Flow Chart of Troubleshooting
U505
VOM A3
SPEAKER_R+
PVSS B3
VOP C3
SPEAKER_R-
U506
VOM A3
SPEAKER_L+
PVSS B3
VOP
C3
SPEAKER_L-