Service Guide
1.2.2 Woofer channel no sound
Problem
Analyzer and
Identify the Causes
Broken or short circuit
Solutions
Check solder points on
PCB
Woofer channel no sound
Defective
U3,U4,C1 2,C23,VR1
Check and replace
defective IC or
components
Version 1.0
Page 8 of 16
SW-i2.1 1100
Remote control cable damaged
or speaker damaged
replace defective cable
or speaker
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