5 Troubleshooting
PG17N*/PG19N*
5-11
5-1-18 OSD Failure
IC103 (17”: IC04) Pin 17 input is
right?
IC103 (17”: IC04) Pin 6 input is
right?
Check and replace Q104 (17”: Q103) .
Yes
Yes
No
Check and replace D302 and Q301.
No
IC103 (17”: IC04) Pins 7 and 8
inputs are right?
Check IC201 Pins 41 and 42.
Yes
No
IC103 (17”: IC04) Pins 20, 21 and
22 outputs are right?
Check and replace IC103 (17”: IC04) .
Yes
No
IC101 (17”: IC104) Pins 4, 9 and 13
inputs are right?
Check and replace QB51,
QG51 and QR51.
Check and replace IC101 (17”: IC104) .
Yes
Done
No
Check CN102 and connector Ass’y.
(17” only)
27
27
6.72 V (IC103, #17)
CH1 P-P = 6.72 V
CH1 RMS = 764 mV
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 ...