Genius SP-HF2.0 500 Service Manual page 8

Service Guide
1.2.2 Power LED (indicator) no light
Problem
Analyzer and
Identify the Causes
Solutions
1.2.3 Volume , Tone no function
Problem
Analyzer and
Identify the Causes
Solutions
Power LED (indicator) no light
Power switch or LED defective
Broken or short circuit
Check solder points on PCB
Version : 1.0
Defective,D1-4,
Re-solder or replace
defective component(s)
Volume , Bass no function
Check and Replace defective
components
Page 8 of 15
SP-HF2.0 500
Dc cord of transformer
disconnected or defective
Defective C11-12,VR1,
VR2,R7-10,C5-6,C9-10