Genius KYE Systems GHT-502 Service Manual page 8

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Service Guide
1.2.2 Power LED (indicator) no light
Problem
Analyzer and
Power switch or LED defective
Identify the Causes
Solutions
1.2.3 Volume , Bass no function
Problem
Analyzer and
Identify the Causes
Solutions
Power LED (indicator) no light
DefectiveU601,U403,
D901-902
Re-solder or replace
defective component(s)
Volume , Bass no function
Broken or short circuit
Check solder points on PCB
Version : 2.0
Page 8 of 20
GHT-502
Dc cord of transformer
disconnected or defective
Defective K1 , U601-603,VR1 , VR2
Check and Replace defective
components