Lge Internal Use Only - LG -E510 Service Manual

MIC_1P
MIC_1N
FM_ANT
R508 15
EAR_R
EARJACK_SENSE
R511 15
EAR_L
HS_MIC
R512
HOOK_ADC
100K

LGE Internal Use Only

C224 0.1u
VREG_HS_MIC_1.8V
C504
C505
33p
10u
C519 C520
47p 47p
Figure. 3.5pi Ear Jack Connector
MIC_BIAS
C528
10u
Figure. MIC
VREG_MSMP_2.6V
C540
2.2u
C538
FB504
- 55 - Copyright © 011 LG Electronics. Inc. All right reserved.
3. TECHNICAL BRIEF
O
4
G2
3
G1
2
P
1
MIC500
GND
U500
1 4
VOUT VDD
2 3
GND CE
C539
1u
0.1u
M6-GND
FB502 1800
6
M1-R
1
M4-DETECT
4D
FB503 1800
M4-L
4
1800
M5-MIC
5
EAR_SENSE
LOW(DEFAULT)
HIGH
Only for training and service purposes
J500
STATE
UNMATING
MATING