LG -P500 Service Manual page 57

3. TECHNICAL BRIEF
VREG_MSMP_2.6V
4
VIN
3
HS_MIC_BIAS_EN STBY
C539
2.2u
FM_ANT
R509
EAR_R
R515
EAR_L
FB502
HS_MIC
LGE Internal Use Only
changed 12/28
MIC_1P
MIC_1N
C700
33p
3.5pi Ear Jack Connector
U502
1
VOUT
2
GND
C537 C538
10u
33p
12
12
1800
C542 C543
47p 47p
MIC
MIC_BIAS
1800
FB700
1800
FB701
2
VA615 C702 C703
33p 33p
1
10.04.08 Changed Rev.C
EARJACK_SENSE
C544 C545
L504 R520
33p 15p
270n
10K
2009.11.16 added
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Copyright © 2010 LG Electronics. Inc. All right reserved.
MIC1
1
OUT
2
G1
3
G2
4
G3
5
PWR
6
G4
VREG_MSMP_2.6V
FB500 1800
M6_GND 2
M1_R 3
6
M4D-DETECT
FB501 1800
5
M3_DETECT
M4_L 4
J2
M5_MIC 1
R521
10K
EAR_SENSE STATE
LOW(DEFAULT) UNMATING
HIGH MATING
Only for training and service purposes