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Service Guide
SP-i160
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 (Line in jack no function)
Problem
No sound
Analyzer and
Identify the Causes
Broken or short circuit
Defective U1,
U4
Speaker cable
dis-connect , JACK1 or
JACK2 defective or
speaker damaged
Solutions
Check solder points on
PCB
Check and Replace
defective IC
Re-connect speaker
cable or replace
defective speaker(s)
Version : 1.0
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