LG L601i Service Manual page 61

3. TECHNICAL BRIEF
Handset main MIC BLK
Audio Amp for loud Speaker
R523
HPH_L
1K
LOW: SHDN
8200p
C526
MIC
SP0102BE3
G3
5
PWR
C520 22n
4
G2
3
G1
C521 22n
2
OUT
1
U501
Audio AMP
U502 TPA2010D1YZF
C524
R521 51K
C1
IN-
22n
C525
R524 51K A1
IN+
22n
C2
SPK_AMP_EN _SHDN
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MICBIAS
MIC1N
MIC1P
HB-1M1005-600JT
FB502
B1
VDD
B2
PVDD
A3
VO-
C3
VO+
C527
10u
+VPWR
=> Speaker
SPK_RCV-
SPK_RCV+
RCV_EN