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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
Broken or short circuit
Identify the Causes
Check solder points on
PCB
Solutions
One or more channels no sound
Defective U501-504 ,
U601-603 , U901,U301
Check and Replace
defective IC
Version : 2.0
Page 7 of 20
GHT-502
Speaker cable dis-connect or
speaker damaged
Re-connect speaker cable or
replace defective speaker(s)
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