5 Troubleshooting
5-6
PN17K*/PN17J*
5-1-11 V Deflection Failure
13V and –10V lines are 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 Position Variation Failure
IC401 Pin 12 output varies with
different DAC values?
Yes
Check and replace IC201 and IC401.
Check and replace IC301.
No
Summary of Contents for PN17K Series
Page 8: ...2 Product Specifications 2 4 PN17K PN17J Memo...
Page 18: ...Memo 4 Alignment and Adjustments 4 8 PN17K PN17J...
Page 37: ...PN17K PN17J 6 1 6 Exploded View and Parts List 6 1 PN17KT JT...
Page 38: ...6 2 PN17KO JO 6 Exploded View Parts List 6 2 PN17K PN17J...
Page 39: ...6 Exploded View and Parts List 6 1 1 Front Cover CRT Ass y PN17KT JT PN17K PN17J 6 3...
Page 40: ...6 1 2 Chassis Stand Ass y PN17KT JT 6 Exploded View Parts List 6 4 PN17K PN17J...
Page 41: ...6 1 3 Rear Ass y PN17KT JT 6 Exploded View Parts List PN17K PN17J 6 5...
Page 42: ...6 2 1 Front Cover CRT Ass y PN17KO JO 6 Exploded View Parts List 6 6 PN17K PN17J...
Page 43: ...6 2 2 Chassis Stand Ass y PN17KO JO 6 Exploded View Parts List PN17K PN17J 6 7...
Page 44: ...6 2 3 Rear Ass y PN17KO JO 6 Exploded View Parts List 6 8 PN17K PN17J...
Page 60: ...Memo 8 Block Diagrams 8 2 PN17K PN17J...
