- 83/143-
LG Electronics Inc.
VX11000
Checking Flow
Checking Flow
Waveform
Waveform
Figure 4.2.2.2 (a)
Figure 4.2.2.2 (b)
Check U1003 TP2
Is it 19.2MHz? (Refer to
figure (a))
NO
Start
Replace Main B /D
VCTCXO circuit is Ok . See next page
to check control signal .
The Problem may be Logic part
Refer to Logic troubleshoot
YES
NO
NO
Check U1003 TP1
Is it 2.85V? (Refer to
figure (b))
Replace U1003 and then check R1002 , Pin3.
YES
Is it similar?
VCTCXO circuit is Ok . See next page
to check control signal .
YES
4.2.2.2
4.2.2.2
To Next Page
Loading...
