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5 Troubleshooting
PG17**/PG19**/PG21**
5-7
5-1-12 V Size or Pos. Variation Failure
IC261 Pin 23 output varies with
different DAC values?
Yes
Check some parts around IC301.
Check bias voltage.
Check and replace IC261 and IC301.
No
5-1-13 High Voltage Failure
Q524 gate driving pulse exist?
Check +12 V line.
Check and replace Q521, Q522, Q523,
Q524 and IC501.
Yes
No
Done
Содержание PG19lS
Страница 2: ...Samsung Electronics Co Ltd August 1999 Printed in Korea Code No BH68 00227A...
Страница 16: ...Memo 4 Alignment and Adjustments 4 8 PG17 PG19 PG21...
Страница 35: ...PG17 PG19 PG21 6 1 6 Exploded View and Parts List 6 1 PG17...
Страница 36: ...6 Exploded View Parts List 6 2 PG17 PG19 PG21 6 2 PG19...
Страница 37: ...6 Exploded View Parts List PG17 PG19 PG21 6 3 6 3 PG21...
Страница 38: ...6 Exploded View and Parts List 6 1 Front Cover CRT Ass y PG17 PG17 PG19 PG21 6 5...
Страница 39: ...6 2 Chassis Stand Ass y PG17 6 Exploded View Parts List 6 6 PG17 PG19 PG21...
Страница 40: ...6 3 Rear Cover Ass y PG17 6 Exploded View Parts List PG17 PG19 PG21 6 7...
Страница 41: ...6 Exploded View Parts List 6 8 PG17 PG19 PG21 6 4 Front Cover CRT Ass y PG19...
Страница 42: ...6 5 Chassis Stand Ass y PG19 6 Exploded View Parts List PG17 PG19 PG21 6 9...
Страница 43: ...6 6 Rear Cover Ass y PG19 6 Exploded View Parts List 6 10 PG17 PG19 PG21...
Страница 44: ...6 Exploded View Parts List PG17 PG19 PG21 6 11 6 7 Front Cover CRT Ass y PG21...
Страница 45: ...6 Exploded View Parts List 6 12 PG17 PG19 PG21 6 8 Chassis Stand Ass y PG21...
Страница 46: ...6 Exploded View Parts List PG17 PG19 PG21 6 13 6 9 Rear Cover Ass y PG21...
Страница 83: ...10 1 PG17 PG19 PG21 SW6 CN604 C603 R662 Q663 1 34 10 Schematic Diagrams 10 1 Power Part Schematic Diagram...
Страница 85: ...10 Schematic Diagrams 10 3 PG17 PG19 PG21 10 2 Micom Part Schematic Diagram 15 16...
Страница 93: ...10 Schematic Diagrams 10 11 PG17 PG19 PG21 10 6 Video Parts Schematic Diagram 17 21 20 19 18...