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Version: 1.0
G
uide
S
ervice
SW-5 1 3000
.
Problem
Analyze and
Identify the
Causes
Solutions
1.2.4
One or more channels no sound
Defective
connection of
audio cable
One or more channels no sound
Make sure
audio cable
connected well
JK5A or JK5B
disconnected
from PCB
or defective
Make sure
audio cable
connected well
or replace
defective one s
( )
Defective
connection of
speaker cable
or defective
speaker s
( )
Make sure
audio cable
connected well
or replace
defective one s
( )
Defective
VR1 or VR1
disconnected
from PCB
Make sure
VR1
connected well
or replace
defective one
Defective
IC9 or IC10
TDA8974J
Replace
defective
one s
( )
JK5A or JK5B
disconnected
from PCB
Defective SW1
Replace
defective SW1
1.2.5
Wire control does not work
Problem
Analyze and
Identify the
Causes
Solutions
Wire Control does not work
Resolder or
reconnect
JK5A or JK5B
Defective IC1
SJ3358
(
)
Replace
defective IC
