LG Flatron T711B Service Manual page 29

IC401 Pin 24
22
output are right?
Q710 and parts around
Some parts around T701
23
Check the connection between
CRT Socket PCB.
Waveforms
22
IC401, #24
17. Focus Failure
YES
are right?
YES
are right?
YES
FBT Pin 12,
23
NO
Check and replace IC401.
NO
NO
FBT, #12
- 29 -
Replace failed part.
Replace failed part.