KYE Systems Corp. Genius SP-HF500A, Service Manual

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Version 1.0 Page 8 of 17
Service Guide
SP-HF500A
1.2.5 Noise
Problem
Analyze and
identify the
causes
Solutions
Filter capacitor/ diode dry-soldered
or damaged, pls check C19 C21C18
C17 C13 ID1 ID2 ID3 ID4
，
in S P - H F 5 0 0 AMP defective
or not
The power supply of each IC
is
normal or not;
Or caused by vibration from
too long lead wire of driver
units
Driver units damaged
Dosed not well
Repair
Check and replace Repair or replace
Noise