5 Troubleshooting
5-6
DP15H*/DP17L*
5-1-11 V Deflection Failure
13 V, –10 V line is on?
IC401 Pin 12 output exists?
Check and replace IC401.
Yes
Yes
No
Refer to 5-1-1 No Power Supply
No
IC301 Pin 6 output exists?
Check and replace some parts
around IC301.
Yes
No
Check DY connector connection.
WAVEFORMS
8
9
8
500 V (IC401, #12)
CH1 P-P = 500 V
CH1 RMS = 1.425 V
9
10.0 V (IC301, #6)
CH1 P-P = 10.0 V
CH1 RMS = 5.06 V
5-1-12 V Size or Pos. Variation Failure
IC401 Pin 12 output varies with
different DAC values?
Yes
Check and replace IC201, IC401.
Check and replace IC301.
No
Summary of Contents for DP15HS
Page 8: ...2 Product Specifications 2 4 DP15H DP17L Memo ...
Page 35: ...6 Exploded View and Parts List 6 1 DP15HS DP15H DP17L 6 1 ...
Page 36: ...6 Exploded View Parts List 6 2 DP17LS 6 2 DP15H DP17L ...
Page 37: ...6 1 1 Front Cover CRT Ass y DP15HS 6 Exploded View Parts List DP15H DP17L 6 3 ...
Page 38: ...6 1 2 Chassis Stand Ass y DP15HS 6 Exploded View Parts List 6 4 DP15H DP17L ...
Page 39: ...6 1 3 Rear Cover Ass y DP15HS 8 Exploded View Parts List DP15H DP17L 6 5 ...
Page 40: ...6 2 1 Front Cover CRT Ass y DP17LS 6 Exploded View Parts List 6 6 DP15H DP17L ...
Page 41: ...6 2 2 Chassis Stand Ass y DP17LS 6 Exploded View Parts List DP15H DP17L 6 7 ...
Page 42: ...6 2 3 Rear Cover Ass y DP17LS 6 Exploded View Parts List 6 8 DP15H DP17L ...
Page 57: ...7 Electrical Parts List 7 15 DP15H DP17L 7 3 Different Parts List CDT ...
Page 58: ...Memo 7 Electrical Parts List DP15H DP17L 7 16 ...
Page 60: ...Memo 8 Block Diagrams 8 2 DP15H DP17L ...
Page 62: ...10 1 DP15H DP17L 10 Schematic Diagrams 10 1 SMPS Part Schematic Diagram ...
Page 64: ...10 Schematic Diagrams 10 3 DP15H DP17L 10 2 Micom Part Schematic Diagram ...
Page 66: ...10 Schematic Diagrams 10 5 DP15H DP17L 10 3 H V OSC Vertical Part Schematic Diagram ...
Page 68: ...10 Schematic Diagrams 10 7 DP15H DP17L 10 4 Deflection Part Schematic Diagram ...
Page 70: ...10 Schematic Diagrams 10 9 DP15H DP17L 10 5 Video Part Schematic Diagram ...
Page 72: ...10 Schematic Diagrams 10 11 DP15H DP17L Memo ...
Page 73: ...Samsung Electronics Co Ltd May 1999 Printed in Korea Code No BH68 00129A ...