LG G3100 Service Manual page 57
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Also See for G3100:
- User manual (265 pages) ,
- User manual (209 pages) ,
- User manual (177 pages)
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4.2.2 Checking VCTCXO Circuit
X401.4
Check Pin 3
Refer to Graph 4-1
Check Pin 4
Refer to Graph 4-2
Graph 4-1. VCTCXO 13MHz
Yes
13MHz OK?
No
Yes
2.7V OK?
No
Check U301,PMIC
- 59 -
4. TROUBLE SHOOTING
X401.3
VCTCXO Circuit is OK
See next page to check
ANT SW & Mobile SW
Change X401
Graph 4-2. VCTCXO 2.7V
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- Block Diagram
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