5 Troubleshooting
5-18
PG17N*/PG19N*
Improved focus?
Check focus leads from FBT
to CRT Socket.
Check the CRT Socket.
No
Aging monitor and check for focus
change.
Yes
Is dynamic focus circuit right?
Refer to 5-1-15 Dynamic
Focus Failure.
Replace the CRT and verify focus.
Yes
No
Adjust focus VR.
5-2-7 Poor Focus
5-2-8 Purity Failure
Purity is right?
Degaussing circuit is right?
Refer to 5-1-20 Degaussing Failure.
Replace CRT and verify purity.
Yes
No
No
Done
Yes
Degaussing
Summary of Contents for PG17N
Page 2: ...Samsung Electronics Co Ltd April 2000 Printed in Korea P N BH68 00129F 01 ...
Page 17: ...Memo 4 Alignment and Adjustments 4 8 PG17N PG19N ...
Page 67: ...Memo 8 Block Diagrams 8 2 PG17N PG19N ...
Page 71: ...10 Schematic Diagrams 10 3 PG17N PG19N 10 2 Micom Part Schematic Diagram 4 6 3 5 ...
Page 73: ...10 Schematic Diagrams 10 5 PG17N PG19N 10 3 H V Process Part Schematic Diagram 9 11 10 7 8 ...
Page 77: ...10 Schematic Diagrams 10 9 PG17N PG19N 18 21 20 19 10 5 HIGH VOLTAGE Parts Schematic Diagram ...
Page 79: ...10 Schematic Diagrams 10 11 PG17N PG19N 10 6 Video Parts Schematic Diagram 17 ...
Page 85: ...Memo 10 Schematic Diagrams 10 17 PG17N PG19N ...