Genius KYE Systems GHT-502D Service Manual page 9

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Service Guide
1.2.4 Decoder no power
Problem
Analyzer and
Broken or short circuit
Identify the Causes
Check solder points on
PCB
Solutions
Decoder no power
Defective D1-D4,IC1,C197
Check and Replace
defective IC or
Component
Version : 1.0
Page 9 of 18
GHT-502D
Speaker cable dis-connect or
speaker damaged
Re-connect speaker cable or
replace defective speaker(s)