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

Page: 9 / 19

1.2.3No L/R output
Version No.：1.0 Page:9 of 19
Service Manual
SW-2.1 360
No L/R output
1. The PCB is short-
circuited/broken/dam
aged;
2. The VR1
potentiometer is
defective;
3. The L/R signal
input line is
defective;
4. The L/R signal
output line is
defective;
1. The L/R speaker
is
damaged/defective;
2. The L/R output
is improperly
connected;
Check/repair/replace
Check/repair
1. The component of
L/R channel
IC1, IC2, Q,
VR1,
CON2B/CON3/CON1
is
damaged/broken/shor
t-circuited.
Check/repair