LG Flatron F720B User Manual

Improved focus?
Adjust Pole4,Pole6
to improve the misconvergence
25. Misconvergence
Degauss the CDT
Done.
Change CRT and readjust
convergence.
Yes
Done
No
26. Poor Focus
Adjust focus VR.
Check focus leads from
FBT to CRT Socket.
Check the CRT Socket.
YES
Aging monitor and
check for focus change.
NO
Refer to 18 Dynamic
Focus Failure.
NO
Replace the CRT and verify focus.
YES
- 34 -
Dynamic focus circuit is
right?
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LG Flatron F720B Specifications

General

Brand	LG
Model	Flatron F720B
Category	Monitor
Language	English