LG VX8560 Service Manual page 61

VX8560
Replace X 101 and then check C115 , R 105 .
Figure 4.1.2 (a)
LG Electronics Inc.
Checking Flow
Checking Flow
Start
Check X101 pin 3
Is it 19.2MHz? (Refer to
figure 4.1.2 (a))
NO
Check X101 pin 4
Is it 2.8V? (Refer to
figure 4.1.2 (b))
YES
Is it similar?
NO
Replace Main B /D
Waveform
Waveform
VCTCXO circuit is Ok . See next page
to check control signal .
YES
The Problem ma y b e Logic part
R efer to Logic troubles hoot
NO
VCTCXO circuit is Ok . See next page
to check control signal .
YES
Figure 4.1.2 (b)
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