KYE Systems Corp. Genius SW-2.1 360, Service Manual

Page: 8 / 19

1.2.2No sound
Version No.：1.0 Page:8 of 19
Service Manual
SW-2.1 360
No sound
1. The PCB is short-
circuited/broken or
has no supply;
2. The connection
wire is damaged or
defective, short-
circuited/open
(CON2B)
3. The signal input
line is connected
improperly
/No signal.
1. The potentiometer
VR1 is damaged;
2. The circuit board
is connected loosely,
causing bad contact.
Check/repair
Check/repair/replace
1. The audio
processor unit of the
PCB is damaged;
IC1/IC2/
VR1/speaker
lead/speaker is
damaged.
Check/repair