Service Guide
SW-HF 5.1 6000
1.2.8 Remote control no use
Problem
Analyze and
identify the
causes
Solutions
Version 1.0 Page 14 of 36
Remote control no use
Low power of
the battery
Defective
soldering of
battery spring
REM PCB
broken, or its
IC or other
components
defective
Defective
conductive
rubber of
some keys
Defective IR1, IC3, R1,
EC1, CC1 on CON
PCB
Replace
Repair and
replace
Check and
resolder
defective
one(s)
Check and
replace
Check and
replace