LG KS20 Operating Instructions Manual page 65

MSM7200 BLK
Head Set Jack BLK
CN300
21
19
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
20
22
HSEJ-18S04-25
ENRY0006001
SD12T1G
D306
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
VDD_RX
C543
22p
WLNA_OUT
FM_ANT
D307
6 1
5 2
4 3
PLR0504F
- 67 -
3. TECHNICAL BRIEF
MIC_Feedback
WCDMA LNA Circuit
L516
FL502
1nH
EFCH2140TDE1
5 4
C547 L518
G2 O2
1
IN
G1 O1
3.3nH
33p
2 3
C550
0.75p
HS_MIC
CVBS
FB300
HSL
FB301
HSR
0 R305
USC2
0 R306
USC1
nEAR_DET
REMOTE_PWR_ON
CRADLE_UART_TX
CRADLE_UART_RX
L517
WCDMA_MIX_IN_P
1nH
C546
0.5p
L519
WCDMA_MIX_IN_M
1nH
VBAT
VADP_5.0V
VUSB_5.0V
LGE Internal Use Only