6 Troubleshooting
6-4
DP14L*/DP15L*
6-1-5 Unsynchronized image
Are H/V sync input on IC201’s
Pins 30 and 31?
Check the connection of signal cable.
Refer to 6-2-12 High Voltage Failure.
Yes
Check H/V sync input line.
No
6-1-6 Misconvergence
Spec in?
(Center : 0.3 mm, Cornor : 0.4 mm)
Readjust Misconvergence.
Done
Yes
Change CRT and readjust
Miconvergence and color.
No
Refer to 6-2-17 Micom
Failure.
No
Are H/V sync input on IC401’s
Pins 1 and 2?
Yes
Check and replace
IC401.
Yes
Check H/V sync input line.
No
Check and replace
IC201.
No
WAVEFORMS
24
26
25
27
24
5.28 V (IC201, #31)
CH1 P-P = 5.28 V
CH1 RMS = 1.218 V
25
4.96 V (IC201, #30)
CH1 P-P = 4.96 V
CH1 RMS = 350 mV
26
5.48 V (IC401, #1)
CH1 P-P = 5.48 V
CH1 RMS = 1.362 V
27
4.48 V (IC401, #2)
CH1 P-P = 4.48 V
CH1 RMS = 284 mV
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 ...