Genius SW-S2.1350 Service Manual page 7

Service Guide
Attention
Please follow the numbered sequence marked within parenthesis given in individual
Flow chat, in that this is the best-recommended sequence to rectify the problems.
1.2.1 One or more channels no sound
Problem
Analyzer and
Identify the Causes
Solutions
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One or more channels no sound
Broken or short circuit
Check solder points on
PCB
Version : 1.0
Defective U1, U2, U3A, U3B
Check and Replace
defective IC
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SW-S2.1 350
Speaker cable dis-connect or
speaker damaged
Re-connect speaker cable or
replace defective speaker(s)