3.4.1.2 Checking XO circuit
Replace X4100 and then check
LGE Internal Use Only
START
Check TP1(C1501)
Is it 19.2MHz?
Refer to Figure 3.4.1(a)
No
TP1(C1501)
Is it similar ?
No
Replace Main B/D
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
Figure 3.4.1 (a)
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3. TROUBLE SHOOTING
Only for training and service purposes