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4. TROUBLE SHOOTING
4.2.1 DCXO Part
Produce RF and BB reference Clock - 26MHz Clock.
C107
R105
< DCXO Placement>
Pin 1
<DCXO Waveform>
LGE Internal Use Only
Checking Points
X101
Waveform
Frequen
- 44 -
X101
W-191-866
4
GND2
1
C107
HOT1
26MHz
1000p
R104
J12
NC10
220K
H12
NC11
G12
R105
NC12
L11
NC13
1.5M
K11
NC14
J11
NC15
H11
NC16
L10
NC17
K10
NC18
J10
NC19
U1
SPARE3
U2
SPARE2
D15
XTAL
L8
< DCXO Circuit>
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3
HOT2
GND1 2
DITHERING
C108
C109
0.5p
10p
C112
4.7p
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