Genius SP-HF1255A - 1.2.3 Right or left channel no sound

Service Guide SP-HF1255A
9
1.2.3 Right or left channel no sound
Problem
Analyze
and identify
the causes
Solutions
Right or left channel no sound
PCB damaged,
dry-soldered or
short-circuited;
CN1 in
SP-HF1255A
and CN2 in
SP-HF1255A
AMP PCBA
are loosely
connected
Driver unit or speaker
cable defective or
loosely connected
Audio cable defective
or loosely connected
VR ， N2 or 1CN4
defective in
SP-HF1255A AMP
PCBA
Repair or
Replace
Repair or
Replace
Re-connect,
replace or
repaire