
5 Troubleshooting
5-6
TT17J*
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
5 V (IC401, #12)
CH1 P-P = 5 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 and IC401.
Check and replace IC301.
No
Содержание TT17J Series
Страница 7: ...2 Product Specifications 2 4 TT17J Memo ...
Страница 36: ...TT17J 6 1 6 Exploded View and Parts List ...
Страница 37: ...Memo 6 Exploded View Parts List 6 2 TT17J ...
Страница 38: ...TT17J 6 3 6 Exploded View and Parts List 6 1 Front Cover CRT Ass y ...
Страница 39: ...6 Exploded View Parts List 6 4 TT17J 6 2 Chassis Stand Ass y ...
Страница 40: ...6 Exploded View Parts List TT17J 6 5 6 3 Rear Cover Ass y ...
Страница 41: ...Memo 6 Exploded View Parts List 6 6 TT17J ...
Страница 59: ...Memo 8 Block Diagrams 8 2 TT17J ...
Страница 61: ...Memo 9 Wiring Diagrams 9 2 TT17J ...
Страница 64: ...10 Schematic Diagrams TT17J 10 3 17 19 16 20 15 20 22 24 10 2 Video Part Schematic Diagram ...
Страница 66: ...10 Schematic Diagrams TT17J 10 5 10 3 Decoder Part Schematic Diagram ...
Страница 67: ...10 Schematic Diagrams 10 6 TT17J 10 4 Jack Part Schematic Diagram ...
Страница 68: ...10 Schematic Diagrams TT17J 10 7 10 5 Led Part Schematic Diagram ...
Страница 69: ...10 Schematic Diagrams 10 8 TT17J Memo ...