Samsung SGH-S730i Service Manual page 41

VBAT
AMP+
AMP-
R425
10K,1%
AMP_EN
C459
SAMSUNG Proprietary-Contents may change without notice
10
1
VCC
U405
2
NO1
3
TA405
C460
This Document can not be used without Samsung's authorization
9 8
7
NC
6
GND
4 5
2-17
Flow Chart of Troubleshooting
SPK+
SPK-
R424
AOUT_A_N
R426
AOUT_A_P
C461 C462
39pF 39pF