5 Troubleshooting
PG17**/PG19**/PG21**
5-15
Is G2 voltage right?
Is blank pulse on Pin 27 of IC101
(17”: Pin 23 of IC104) on Video
board?
Check CN102, Q104 (17”: Q103).
Yes
Yes
No
Check G2 control volume and FBT.
No
Is blank pedestal on
Pins 29, 32 and 35 of IC101 (17”:
25, 28, 30 of IC104)
Check IC101 (17”: IC104) and related
components.
Yes
No
Is V_FLB pulse on
Pin 17 of IC103 (17”: IC04)?
Check Q301.
Done
Yes
No
Is blank pedestal on all cathodes?
Check Pins 24, 25 and 26 of IC101
(17”: 19, 20, 21 of IC104).
Check QB02, QB03, QG02, QG03,
QR02 and QR03.
Yes
No
Check white balance adjustment.
5-2-4 Visible Retrace
Summary of Contents for PG19lS
Page 2: ...Samsung Electronics Co Ltd August 1999 Printed in Korea Code No BH68 00227A...
Page 16: ...Memo 4 Alignment and Adjustments 4 8 PG17 PG19 PG21...
Page 35: ...PG17 PG19 PG21 6 1 6 Exploded View and Parts List 6 1 PG17...
Page 36: ...6 Exploded View Parts List 6 2 PG17 PG19 PG21 6 2 PG19...
Page 37: ...6 Exploded View Parts List PG17 PG19 PG21 6 3 6 3 PG21...
Page 38: ...6 Exploded View and Parts List 6 1 Front Cover CRT Ass y PG17 PG17 PG19 PG21 6 5...
Page 39: ...6 2 Chassis Stand Ass y PG17 6 Exploded View Parts List 6 6 PG17 PG19 PG21...
Page 40: ...6 3 Rear Cover Ass y PG17 6 Exploded View Parts List PG17 PG19 PG21 6 7...
Page 41: ...6 Exploded View Parts List 6 8 PG17 PG19 PG21 6 4 Front Cover CRT Ass y PG19...
Page 42: ...6 5 Chassis Stand Ass y PG19 6 Exploded View Parts List PG17 PG19 PG21 6 9...
Page 43: ...6 6 Rear Cover Ass y PG19 6 Exploded View Parts List 6 10 PG17 PG19 PG21...
Page 44: ...6 Exploded View Parts List PG17 PG19 PG21 6 11 6 7 Front Cover CRT Ass y PG21...
Page 45: ...6 Exploded View Parts List 6 12 PG17 PG19 PG21 6 8 Chassis Stand Ass y PG21...
Page 46: ...6 Exploded View Parts List PG17 PG19 PG21 6 13 6 9 Rear Cover Ass y PG21...
Page 85: ...10 Schematic Diagrams 10 3 PG17 PG19 PG21 10 2 Micom Part Schematic Diagram 15 16...
Page 93: ...10 Schematic Diagrams 10 11 PG17 PG19 PG21 10 6 Video Parts Schematic Diagram 17 21 20 19 18...