5 Troubleshooting
5-2
TP17LT
5-1-2 DPMS Failure
Make No H/V sync (power off
mode)
Check signal source
H/V sync video level.
LED blinks
Check IC201 Pin 40.
Yes
No
+12 V line off
Check IC201 Pin 5.
Yes
No
IC602 Pin 4
voltage exists?
Check IC201 Pin 6.
Check and replace IC602.
No
Yes
IC601 Pin 1 output
voltage exists?
Refer to 5-1-1 No Power Supply.
Done
Yes
No
WAVEFORMS
2
2
100V (IC601, #1)
CH1 P-P = 100V
CH1 RMS = 325.8 V
Summary of Contents for TP17LT
Page 2: ...Samsung Electronics Co Ltd March 2000 Printed in Korea P N BH68 00129K 01 ...
Page 8: ...2 Product Specifications 2 4 TP17LT Memo ...
Page 37: ...6 Exploded View and Parts List 6 1 Front Cover CRT Ass y TP17LT 6 3 ...
Page 38: ...6 2 Chassis Stand Ass y 6 Exploded View Parts List 6 4 TP17LT ...
Page 39: ...6 3 Rear Cover Ass y 6 Exploded View Parts List TP17LT 6 5 ...
Page 40: ...Memo 6 Exploded View Parts List 6 6 TP17LT ...
Page 56: ...7 Electrical Parts List 7 16 TP17LT 7 3 Different Parts List CDT ...
Page 58: ...Memo 8 Block Diagrams 8 2 TP17LT ...
Page 59: ...TP17LT 9 1 9 Wiring Diagram ...
Page 60: ...10 1 TP17LT 10 Schematic Diagrams 10 1 SMPS Part Schematic Diagram ...
Page 62: ...10 Schematic Diagrams 10 3 TP17LT 10 2 Micom Part Schematic Diagram ...
Page 64: ...10 Schematic Diagrams 10 5 TP17LT 10 3 H V OSC Vertical Part Schematic Diagram ...
Page 66: ...10 Schematic Diagrams 10 7 TP17LT 10 4 Deflection Part Schematic Diagram ...
Page 68: ...10 Schematic Diagrams 10 9 TP17LT 10 5 Video Part Schematic Diagram ...