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4.2.1.2 DCXO Circuit
Supply 26MHz Main clock.
C407
TP1
DCXO
C407 26MHz?
NO
Check U401
<Flow chart>
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
X400
YES
DCXO is
OK.
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4. TROUBLE SHOOTING
TP1
C407
C406
68p
33nF
B9
XON
C8
GNDVCXO_OR
D7
VOUTEF2
<Fig.2> DCXO Circuit Diagram
C409
<Wave>
LGE Internal Use Only
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Troubleshooting
