KYE Systems Corp. Genius SW-2.1 1000, Service Manual

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Service Guide
SW-2.1 1000
1.2.2 No Sound
Problem
Analyze
and identify
the causes
Solutions
JACK5 in AMP
board is not properly
connected
Or caused by the
following defective
components
1. IC1, IC2. IC3, IC4 in
AMP
PCBA
2. VR1
，
VR5
，
JACK4
in SW-2.1 1000 AMP
PCBA
No Sound
PCB
short-circuited,
dry soldered or
broken
Repair or
Replace
Repair or
Replace
Repair,
re-solder or
Replace
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