Genius SP-HF2.0 800 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 , Treble , Bass 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,D5-8,
ZD1,ZD2,r21,R44,
C24,C27
Re-solder or replace
defective component(s)
Volume , Treble ,Bass no
function
Check and Replace defective
components
Page 8 of 15
SP-HF2.0 800
Dc cord of transformer
disconnected or defective
DefectiveU1,VR1,VR2,VR3
,R5-12,C3-10,C13-14