Service Guide
SW-2.1 850
Version 1.0 Page 8 of 16
1.2.3 Woofer channel no sound
Problem
Analyzer and
Identify the Causes
Solutions
Woofer channel no sound
Broken or short circuit
Check solder points on
PCB
Defective
IC102,IC103,C109,
SUBWOOFER VR,
Speaker cable dis-connect or
speaker damaged
Re-connected speaker cable
or replace defective speakers
Check and replace
defective IC or
components