4. TROUBLE SHOOTING
- 94 -
Copyright © 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
START
No
Replace Main B/D
Check TP1(C122)
Is it 26MHz?
XO circuit is Ok. See next page
to check RF signal path
XO circuit is Ok. See next page
to check RF signal path.
No
Yes
Is it similar ?
Replace U801 and
then check TP1(C122)
Yes
4.3.1.2 Checking MT6162 XO circuit