5 Troubleshooting
5-10
AP17K*/AP17J*
5-1-17 No Highlight Zone
IC101 Pin 2, 4 and 6
inputs are right?
IC101 Pin 20, 22 and 24
outputs are right?
Check +5V IC101 pin 1, 23.
Yes
Yes
No
IC101 Pin 12, 13 are right?
(I
2
C Data / Clock Line)
Check Micom (IC201)
I
2
C Data / Clock Line.
No
IC101 Pin 14, 15 and
V_FLB, CLAMP
waveforms are right?
Check CLAMP, V_FLB waveforms.
No
Done
18
19 20
WAVEFORMS
18
1.00 V (IC101, #20, 22, 24)
19
1.00 V (IC101, #14)
20
1.00 V (IC101, #15)
5-1-18 Micom Failure
IC201 Pin 11 input voltage is 5V?
IC201 Pin 13 and 14
inputs are right?
Check C202, C203 and X201.
Yes
Yes
No
Check IC604.
No
IC201 Pin 18 input is right?
Check IC605 and 5V.
Yes
No
All in/output values are right?
Replace IC201.
Yes
No
Done
21
WAVEFORMS
21
1.00 V (IC201, #13, 14)
CH1 P-P = 1.00 V
CH1 RMS = 2.108V
Summary of Contents for AP17K series
Page 7: ...2 Product Specifications 2 4 AP17K AP17J Memo ...
Page 17: ...4 Alignment and Adjustments 4 8 AP17K AP17J Memo ...
Page 36: ...AP17K AP17J 6 1 6 Exploded View and Parts List ...
Page 37: ...6 Exploded View Parts List 6 2 AP17K AP17J Memo ...
Page 55: ...Memo 7 Electrical Parts List 7 18 AP17K AP17J ...
Page 56: ...8 Block Diagrams AP17K AP17J 8 1 ...
Page 57: ...Memo 8 Block Diagrams 8 2 AP17K AP17J ...