6 Troubleshooting
6-10
DP14L*/DP15L*
6-2-4 S-correction Failure
6-2-5 H-Linearity Failure
Are S1 and S2 OK at IC201’s
Pins 9 and 10?
Replace
Q405, Q407.
Symptoms: Poor Horizontal linearity
– Corner: wide, Center: narrow or
– Corner: narrow, Center: wide
No
Are Q406 and Q408 OK?
Replace it.
Check and replace C431, C433, C434,
D412, D413,
Q405, Q407
.
Check and replace
IC201.
Yes
Are Q405 and Q407 OK?
No
Yes
No
Yes
31 ~ 35
35 ~ 40
40 ~ 49
49 ~ 61
S1
0 V
0 V
5 V
5 V
S2
0 V
5 V
0 V
5 V
Table 6-1.
* As CRT vendor and inch, there are differential items like C431, C433, C434, L401, R231, R441.
If you want to change a PCB board to another one that is for different CRT and inch, you have to change
differential items at schematic diagram.
Are code nomber and polarity
of L401 right?
Check and replace it.
No
Yes
Are C427, D409, R423 OK?
Check and replace it.
Refer to 6-2-4 S-correction Failure.
No
Yes
Содержание DP14LT
Страница 7: ...Memo 2 Product Specifications 2 4 DP14L DP15L ...
Страница 9: ...Memo 3 Operating Instructions 3 2 DP14L DP15L ...
Страница 13: ...Memo 4 Disassembly and Reassembly 4 4 DP14L DP15L ...
Страница 44: ...DP14L DP15L 7 1 7 Exploded View and Parts List 7 1 DP14L ...
Страница 45: ...7 Exploded View Parts List 7 2 DP14L DP15L 7 2 DP15L ...
Страница 46: ...DP14L DP15L 7 3 7 1 1 Front Cover CRT Ass y DP14L ...
Страница 47: ...7 1 2 Chassis Stand Ass y DP14L 7 Exploded View Parts List 7 4 DP14L DP15L ...
Страница 48: ...7 1 3 Rear Cover Ass y DP14L 7 Exploded View Parts List DP14L DP15L 7 5 ...
Страница 49: ...7 Exploded View Parts List 7 6 DP14L DP15L 7 2 1 Front Cover CRT Ass y DP15L ...
Страница 50: ...7 2 2 Chassis Stand Ass y DP15L 7 Exploded View Parts List DP14L DP15L 7 7 ...
Страница 51: ...7 2 3 Rear Cover Ass y DP15L 7 Exploded View Parts List 7 8 DP14L DP15L ...
Страница 63: ...8 Electrical Parts List 8 12 DP14L DP15L Memo ...
Страница 65: ...Memo 9 Block Diagrams 9 2 DP14L DP15L ...
Страница 67: ...11 1 DP14L DP15L MULTI MEDIA 11 Schematic Diagrams 11 1 Power Part Schematic Diagram ...
Страница 69: ...11 Schematic Diagrams 11 3 DP14L DP15L 11 2 Micom Part Schematic Diagram ...
Страница 71: ...11 Schematic Diagrams 11 5 DP14L DP15L TILT OPTION 11 3 HOR VER Part Schematic Diagram ...
Страница 73: ...11 Schematic Diagrams 11 7 DP14L DP15L 15 ONLY 11 4 H_OUT Part Schematic Diagram ...
Страница 75: ...11 Schematic Diagrams 11 9 DP14L DP15L 11 5 Video Part Schematic Diagram ...
Страница 77: ...Memo 11 Schematic Diagrams 11 11 DP14L DP15L ...
Страница 78: ...Samsung Electronics Co Ltd April 1999 Printed in Korea Code No BH68 00128A ...