LG Flatron F720B - Troubleshooting: Focus Failure

Some parts around T701
are right?
IC401 Pin 24
output are right?
Q710 and parts around
are right?
18. Focus Failure
NO
NO
NO
Check the connection between
FBT Pin 12,
CRT Socket PCB.
Check and replace IC401.
Replace failed part.
Replace failed part.
YES
YES
YES
22 23
Waveforms
- 30 -
IC401, #24 FBT, #12
22
23
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