Product specifications

5 Troubleshooting
5-18 AN17K*/AN17L*
Improved focus?
Check focus leads from FBT
to CRT Socket.
Check CRT Socket.
No
Align monitor and
check for focus change.
Yes
Dynamic focus circuit is right?
Refer to 5-1-15 Dynamic
Focus Failure.
Replace the CRT and verify focus.
Yes
No
Adjust focus VR of FBT.
5-2-7 Poor Focus
5-2-8 Purity Failure
Purity is correct?
Degaussing circuit is correct?
Refer to 5-1-20 Degaussing Failure.
Replace CRT and verify purity.
Yes
No
No
Done
Yes
Degause
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