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5 Troubleshooting
5-14
PN22N*
5-2-3 Missing Color
Proper Video levels are
on D-SUB Pin 1, 2 and 3?
(R-BNC, G-BNC, and B-BNC.)
Video output level is porper?
Refer to 5-1-16 No Video.
Yes
Yes
No
Check signal generator and cathode.
No
Proper DC voltage is
on all cathodes?
Check IC151 Pin 10, 11 and 12.
Check QR40,QR41, QG40, QG41
QB40, and QB41.
Change the CRT.
Done
Yes
No
G2 voltage(700V) is right?
Check G2 wire,
G2 control, volume, and FBT.
Yes
No
51
WAVEFORMS
51
LR40
CH1 RMS = 77.68 V
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 ...