LG KS20 - Page 65

LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. TECHNICAL BRIEF
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4.87K/1%
C105 3300p
C100 27p
C106 0.1u
R103 33
1uC109
C108 1u
R102 2200
R104 33
TVDAC_R_SET
T8 U4
TVOUT
WIPER
C1
VMIC_BIAS
H5
Q_IP_CH1
P2
Q_OUT_N
P1
Q_OUT_P
D6
MIC2P
MIC1N
B7 A7
MIC1P
E6
MIC2N
HPH_L
H9 G9
HPH_R
HPH_VREF
G7
I_OUT_N
P4 N4
I_OUT_P
LINE_L_IN
B6
LINE_L_IP
B5 A6
LINE_R_IN
A5
LINE_R_IP
A
_PWR_CTL_REF
T4
HKAIN0
F2 F1
HKAIN1
B4
HKAIN2
AUXIP
D7
DAC_IREF
R4 B9
EAR1_ON
EAR1_OP
A9
AUXIN
E7
R105 4.7K
NAC104
27pC101
0.1uC110
C107 0.1u
2200R106
D102
PG05DBTFC
MODEM_RCV_P
FM_L FM_R
MODEM_RCV_N
INTERNAL_MIC_P RTR_DAC_REF HS_MIC
AMUX_OUT REM_ADC
TV_OUT HPH_L HPH_R RTR_TXIM RTR_TXIP RTR_TXQM RTR_TXQP
GSM_PA_DAC_REF
WCDMA LNA Circuit
0.5p
C546
1nH
L519
L516
1nH
C543
22p
VDD_RX
L518
3.3nH
EFCH2140TDE1
G1
2
G2
5
IN
1
O1
3
O2
4
FL502
L517
1nH
0.75p
C550
33p
C547
WCDMA_MIX_IN_P
WCDMA_MIX_IN_M
WLNA_OUT
MSM7200 BLK
C310 22p
390pC308 33p
SD12T1G
D306
C307
D305PG05DBTFC
FB301
C306
1u
DNIR307
C311 22p
390pC309
D307
1
2
34
5
6
PLR0504F
VUSB_5.0V
VBAT
EVLC14S02050VA301
PG05DBTFC D304
C312 1000p
0 R305
FB300
9
14
15
16
17
18
19
2
20
21
22
3
4
5
6
7
8
CN300
ENRY0006001
HSEJ-18S04-25
1
10
11
12
13
R3060
CRADLE_UART_TX
CRADLE_UART_RX
CVBS
nEAR_DET
HS_MIC
VADP_5.0V
FM_ANT
REMOTE_PWR_ON
HSL
HSR
USC2
USC1
Head Set Jack BLK
MIC_Feedback