FLY FS504, Service Manual

Page: 29 / 36

FLY SERVICE SUPPORT
The test flowchart of CTP failed
CTP no response
Dismantle CTP LNES
Check CTP and CTP connector
Whether CTP
LENS is broken
Whether
reassemble of CTP
is ok?
3. Dismantle PCBA
4. Replace PCBA
Please repair PCBA with multimeter or oscilloscope, and
stable power supplier.
1.Check J801
2.Check T801 T802 T803 T804
3.Check U302
4.Check U101
End
Replace CTP LENS
it is ok?
End
Resolder CTP
LENS
It is ok?
End
Yes
Yes
Yes
Yes
No
No
No
No