Samsung SGH-U700 Service Manual page 27

VOICE_OUT_P
SPK+
VOICE_OUT_N
SPK-
MSM_EAR_L
EAR_AMP_L
R627
C637
R619
1
1B0
R620
2
1B1
3
2B0
R622
4
2B1
VBAT
C633
R626
C645
R628
C639 R625
C640
C644
AMP_EN
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VBAT
C629
U602
10
VCC
9
1A
8
1S
2S 7
6
2A
GND
5
C634
B1 A2
VDD VSS
VOM A3
U601
A1
PVSS B3
VIP
C1 VOP
C3
VIM
1 2
R629 R630
R631
R632
3-11
Flow Chart of Troubleshooting
SPK_P_CON
AUD_SW_EN
SPK_N_CON
C632
L603
L604
C641 C636
SPK+
SPK-