CONFIDENTIAL
5 Troubleshooting
CA17K*/CA17J*
5-9
5-1-16 No Video
IC102 Pin 5, 8 and 10
inputs are right?
IC102 Pin 25, 28 and 30
outputs are right?
Check I
2
C bus and +12 V line.
Yes
Yes
No
Check the signal cable connection.
No
IC105 Pin 1, 3 and 5
outputs are right?
Check +12 V, +80 V line.
Check and replace IC105.
Yes
No
Cathode DC levels are right?
Check +80 V line.
Check and replace IC104
Check IC102 Pin 19, 20, 21.
Yes
No
G2 voltage is right?
Check G2 wire,
CRT Socket board and FBT.
Change CRT.
Yes
Done.
No
Check signal cable and connection.
15
16
17
Yes
WAVEFORMS
15
1.00 V (IC102,#5, 8, 10)
16
1.00 V (IC102, #25,28,30)
17
20.0 V (IC105, #1, 3, 5)
Summary of Contents for CA17J Series
Page 7: ...CONFIDENTIAL CA17K CA17J 6 1 6 Exploded View and Parts List ...
Page 9: ...8 Block Diagrams CA17K CA17J 8 1 CONFIDENTIAL ...
Page 18: ...9 PCB Diagrams 9 2 CA17K CA17J CONFIDENTIAL Memo ...
Page 19: ...CONFIDENTIAL Memo 8 Block Diagrams 8 2 CA17K CA17J ...
Page 35: ...CONFIDENTIAL 7 Electrical Parts List CA17K CA17J 7 17 7 4 Main Different Part List ...
Page 36: ...7 Electrical Parts List 7 18 CA17K CA17J CONFIDENTIAL 7 5 Video Different Part List ...
Page 37: ...6 Exploded View Parts List 6 2 CA17K CA17J CONFIDENTIAL Memo ...
Page 61: ...CONFIDENTIAL 4 Alignment and Adjustments 4 8 CA17K CA17J Memo ...
Page 65: ...CONFIDENTIAL 2 Product Specifications 2 4 CA17K CA17J Memo ...
