Rf Circuit - LG G7100 Service Manual

8.6 RF Circuit

1 2
OUT600
A
L610
10nH
L611
1.5nH
C600
0.5p
C653
SW600
10p
MM8430-2600B
1
3 IN 4
GND1 GND2
B
5 GND3 GND4 6
OUT
2
C605
22p
3.3p
C648
FL600
8 LMSP54AA-097
DCS_OUT
ANT CX77315
13
U601
4
GND1 3
DCS_TX
6
5
GND2
EGSM_TX GSM_OUT
7
9
GND3
9
GND4
12
1
GND5
DCS_RX
13
10
GND6 EGSM_RX 27p
1p
L613
C621
C666
27nH
2 11
C
C651 C652
12p 10p
L604 L601
2.7nH 1.8nH
DCSSEL
C608
FL601
10p
1
IN1
GSMSEL
C607 3 IN2
G4
27p
C614 C609
NC NC
D
2V8_VMEM
E
TEMPSENSE
1 2
LGIC(42)-A-5505-10:01
3 4 5
R627
TXRAMP
C650 1K
180p
R629
TXPA
C655 100
27p
100
BANDSEL1
R610
C622
27p
VBAT
R613
C657
0
C654
1608
10p
68u
R614
0 L607 1.5nH
DCS_IN
5
C617
L605
47p
150nH
GSM_IN
3
RF2.85V
1608
R605
10
C615
1000p
1K 1%
R604
C616
12p
B4230
7
OUT1
5
OUT2
G3 G2 G1
C611
NA
RF2.85V VBAT
U600
1 6
VSYNTHEN
OUT _SD
3 2
_ERR IN
5 4
NR GND
C662
ADP3330
10u
1608
C623
470p
3 4 5
6 7
RF2.85V
C619
C640
22p
0.1u
RF2.85V
C642
C647
10p
33p
1
TxDCSPCS
2
TxVCOTune
3
RX_EN TP602
RXEN
TP601 4
TX_EN
TxEN
TP600 5
BANDSEL1 PCO1
6
PCO2
7
TXBYPASS
8
VCC1
9
U603
TxCPO
10
TxINP
11 CX74017
LNAGSMIN
12
GNDLNAGSM
13
LNADCSIN
14
FEENA
15
LNAPCSIN
16
NC6
17
NC7
C610
C613
10p
0.1u
L600 82nH
0.1u
C606 22p
C627
2V75_VTCXO
13MHz
GND VCC
2 4
R619
AFC
VCONT OUT
1 3
15K
X600
Section
Designer
Checked
Approved
Iss. Notice No. Date Name
LG Electronics Inc.
- 134 -
8 9
C658
100p
C659
100p
RF2.85V RF2.85V
0.1u 0.1u C646
C641 C645 22p
TP607
C643
10u
C644
1608
1608
1u
R625
RF2.85V
C639 5.6K
220p
RF2.85V
49
C637
UHFBYP
48
VDDBB 680p
TP608
47
PLL_LE
LE
TP606
46
C638
CLK PLL_CLK
TP605
45
DATA PLL_DATA 8.2n 1608
TP603
44
LDMUX
TP604
43
PLL_PD
SXENA
42
VCCFNCP
41
C635
UHFCPO C636
40
C634 22p 0.1u
GNDCP
39
GNDFN 10p
RF2.85V RF2.85V
38
FREF
37
VCCF
36
VCCD
35
GNDD
34
NC4
33
NC5
G1
GND1
C630
C633 C632 C631
22p
22p
0.1u
0.1u
R618
39K
1%
RF2.85V
TXQN
C660
100p
TXQP
TXIN
C661
100p
TXIP
U602
SN74AHC1GU04DCKR
5
C629
2 VCC 4
13MHZ
IN OUT
GND
1000p
3
R617 1M
Date Sign & Name
G7100
MODEL
DRAWING
RF Circuit
NAME
DRAWING
V1.1
NO.
LG Electronics Inc.
10
RXIP
RXIN
RXQP
RXQN
A
B
C
D
Sheet/
Sheets
6/6