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5 Troubleshooting
5-6
PG17N*/PG19N*
5-1-10 Tilt Failure
IC201 Pin 23 output duty varies
with different DAC values?
IC403 Pin 10, 11 output varies with
different DAC values?
Check and replace IC403.
Check and replace CRT.
Yes
Yes
No
Check and replace IC201.
No
Check tilt connector connection
5-1-11 V Deflection Failure
±14 V line is on?
IC261 Pin 12 output exists?
Check and replace IC261.
Yes
Yes
No
Refer to 5-1-1 No Power Supply
No
IC301 Pin 1 input exists?
Check R271 and R304.
Yes
No
IC301 Pin 6 output exists?
Check and replace some parts
around IC301.
Yes
No
Check V DY connector connection.
9
13
9
1.32 V (IC261, #12)
CH1 P-P = 1.32V
CH1 RMS =1.507 V
13
55.2 V (IC301, #6)
CH1 P-P = 55.2 V
CH1 RMS = 8.04 V
Содержание PG17N
Страница 2: ...Samsung Electronics Co Ltd April 2000 Printed in Korea P N BH68 00129F 01 ...
Страница 17: ...Memo 4 Alignment and Adjustments 4 8 PG17N PG19N ...
Страница 67: ...Memo 8 Block Diagrams 8 2 PG17N PG19N ...
Страница 71: ...10 Schematic Diagrams 10 3 PG17N PG19N 10 2 Micom Part Schematic Diagram 4 6 3 5 ...
Страница 73: ...10 Schematic Diagrams 10 5 PG17N PG19N 10 3 H V Process Part Schematic Diagram 9 11 10 7 8 ...
Страница 75: ...10 Schematic Diagrams 10 7 PG17N PG19N 10 4 HORI VERTICAL Part Schematic Diagram L403 12 13 17 14 15 16 ...
Страница 77: ...10 Schematic Diagrams 10 9 PG17N PG19N 18 21 20 19 10 5 HIGH VOLTAGE Parts Schematic Diagram ...
Страница 79: ...10 Schematic Diagrams 10 11 PG17N PG19N 10 6 Video Parts Schematic Diagram 17 ...
Страница 85: ...Memo 10 Schematic Diagrams 10 17 PG17N PG19N ...