3.1.2.2 Checking XO circuit
Refer to Figure 3.1.2(a)
Replace X4100 and then check
LGE Internal Use Only
START
Check TP1(C1501)
Is it 19.2MHz?
No
TP1(C1501)
Is it similar ?
No
Replace Main B/D
Figure 3.1.2 (a)
Yes
XO circuit is Ok. See next page
to check RF signal path
Yes
XO circuit is Ok. See next page
to check RF signal path.
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3. TROUBLE SHOOTING
Only for training and service purposes