LG U8110 Service Manual page 235

9. CIRCUIT DIAGRAM
1 2 3
A
B
VCCB
C
D
WCDMA_RX
C1400
NA
E
TP1401
WDAT
F
WCLK
WSTR
GPRFCTRL
CLKREQ
FROM MARITA SIDE FOR POWER SAVING
G
H
1 2 3
4 5 6
C1422 C1423
27p 27p
R1410
R1401 R1440 C1421
0 0
0
NA
L1422
68nH
1608
L1421 R1411
68nH 3.3K
1608
C1424
C1403 C1404 C1414 C1425
22p
22p 0.01u 22p 2200p
C1444
22p
B1
IFOUTB
C1
VCCMIX
D1
MIXINA
E1
MIXINB
F1
GNDBIAS
G1
C1401 GNDEME
H1
RFIN
J1
22p
GNDBYP
K1
VCCRF
C3
GNDIF
L1401 D3
DATA
2.2nH E3
L1411 CLK
F3
STROBE
G3
6.8nH
GLNA
C1402
1000p C1412 C1413
1.2p 1.2p
Z1400
LK20A
C1407
22p
L1402
NA
R1720
5.6K
TP1402 TP1403
R2108
100
4 5 6
7 8
Z1420
TMX-M453
6 1
IN- IN+
5 2
SHIELD GND
4 3
OUT+ OUT-
C1441 C1442
2200p C1443 2200p
1.2p
L1441
100nH
1608
C1453
C1454
0.01u
0.01u C1451
C1452
0.01u
0.01u R1760
0
L1760
1uH
C1761
82p
C1760
0.01u
C1448 C1447
0.01u 0.01u
R1430
10
C1431
22p
C1777 C1772
47p 330p
C1776 C1773
4.7p 4.7p V1770
B10
VCCREF B1770 BBY58-02W
C10
TSX-8A
XOIA
D10 4 C1778
XOIB 3 HOT2 GND2
E10
VCCBUS 2 HOT1 1
GND1
F10
IFLOA 13MHz
56p
G10
IFLOB R1772
N1400 H10
10K
GNDRFLO
LZT-108-5323 J10
RFLOOA
C8
XOOA
D8
XOOB
E8
GNDREF
F8
GNDBUS
G8
REFON
H8
GNDVCO
C1750 22p
R1505
NA C1751 22p
R1740
C1740 C1741 10
0.01u 22p
R1721 R1730
0
C1730 C1731 10
0.01u 22p
C1722
C1721
NA
390p
R1723
0
C1720
5600p
R1431
0
7 8
- 236 -
9 10 11
RXQA
RXQB
RXIA
RXIB
MCLK
VCCB
R1771 R1770
VCXOCONT
10K 1K
C1770
0.01u
IFLO
IFLOBAR
RFLO
RFLOBAR
XOOA
XOOB
VCCB
WRFLOOP
Engineer:
LG ELECTRONICS INC.
SG Kang
3G HANDSETS LAB.
Drawn by:
DEVELOPMENT GROUP 1
SG Kang
R&D CHK:
TITLE:
UMTS RX (WOPY)
DOC CTRL CHK:
U8100 PT V1.3 Staggered AMD
MFG ENGR CHK:
Changed by: Date Changed: Time Changed: QA CHK: REV: Drawing Number:
SG Kang Tuesday, September 04, 2003 12:50:11 pm
9 10 11
12
A
B
C
D
E
F
G
H
Size:
A2
12 1 8 A
Page:
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