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5 Troubleshooting
PN22N*
5-15
G2 voltage is right?
Blank pulse is on
Q301 collector?
Check Q301.
Yes
Yes
No
Check G2 control volume and FBT.
No
Pulse is on emitter of Q301?
Check Q101 and related components.
Yes
No
G1 voltage is right?
Check C159 and R154.
Done
Yes
No
IC150 output voltage is right?
Check IC150.
Yes
No
Check white balance adjustment.
5-2-4 Visible Retrace
Summary of Contents for PN22N series
Page 2: ...Samsung Electronics Co Ltd October 2000 Printed in Korea P N BH68 00362A 01 ...
Page 18: ...Memo 4 Alignment and Adjustments 4 8 PN22N ...
Page 38: ...PN22N 6 1 6 Exploded View and Parts List PN22N ...
Page 39: ...Memo 6 Exploded View Parts List 6 2 PN22N ...
Page 40: ...PN22N 6 Exploded View and Parts List 6 1 Front Cover CRT Ass y 6 3 ...
Page 41: ...6 2 Chassis Stand Ass y 6 Exploded View Parts List 6 4 PN22N ...
Page 42: ...6 3 Rear Cover Ass y 6 Exploded View Parts List PN22N 6 5 ...
Page 83: ...Memo 8 Block Diagrams 8 2 PN22N ...
Page 84: ...9 Wiring Diagram PN22N 9 1 9 Wiring Diagram ...
Page 87: ...10 Schematic Diagrams 10 3 PN22N 10 3 D Convergence Purity Part Schematic Diagram ...
Page 93: ...10 Schematic Diagrams 10 9 PN22N 10 7 Purity Parts Schematic Diagram ...
Page 97: ...10 Schematic Diagrams 10 13 PN22N 10 9 DSP USB Part Schematic Diagram ...