KYE Systems Corp. Genius SP-U115, Service Manual

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Version No.：1.0 Page:7 of 17
*Notice
For maintenance, please take the sequence of single flow chart
below.
Service Manual
SP-U115
It is the optimal sequence recommended for solution.
1.2.1 No power and LED indicator is off
1.Welding of power cord is bad;
2.The power plug is out of
contact;
3.CON4 plug becomes loose and
copper foil is broken;
4. The lines of power are bad;
5.Connecting wire of CON4 is
open circuit;
6.LED indicator is bad or
damaged;
No power/LED
indicator is off
The power plug is out
of contact
Inspect/repair
Inspect/repair/repl
ace