Genius SP-HF1250A - 1.2.2 Does Not Work or One Channel No Sound; 1.2.3 Noise

Version: 1.0 Page 7/15
1.2.2 Does not work or one channel no sound
1.2.3 Noise
s
Guide
ervice
SP-HF1250A
Problem
Analyze
and
Identify the
Causes
Solutions
Does not work or
One channel no sound
Broken o
r
Short circui
t
Defective IC
(TDA2030A)
Defective
Audio cable
Replace
Audio cable
Check solde
r
Points on PCB
And resolder
defective one
(
s
)
Check and replace
Defective IC
(TDA2030A)
Problem
Analyze and
Identify the
Causes
Solutions
Noise
Defective
VR
Defective IC
(TDA2030A)
Check and replace
defective component(s)
Replace
Defective VR
Replace defective IC
(TDA2030A)
Component(s) aroun
d
IC is/are defective