Service Guide
SP-HF2.0 1250
Attention
1.2.1 One or more channels no sound
Problem
Solutions
Version : 1.0
Page 7 of 15
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 .
One or more channels no sound
Broken or short circuit
Defective U1~U4
Speaker cable
dis-connect or
speaker
damaged
Check solder points on
PCB
Check and Replace
defective IC
Re-connect speaker
cable or replace
defective speaker(s)
Analyzer and
Identify the Causes