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Version: 1.0
G
uide
S
ervice
SW-HF5.1 4000
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
Defective
connection of
speaker cable
or defective
speaker s
( )
Make sure
audio cable
connected well
or replace
defective one s
( )
Broken or short
circuit
check socder
point on PCB
U1,U2,U3,U4
U5,U6,U7
TDA2030A
Replace
defective
one s
( )
