Service Guide SW-HF 5.1 6000
1.2.4 Rear channel no sound (including either RR or RL no sound)
Problem
Analyze and
identify the
causes
Solutions
Version 1.0 Page 10 of 36
Rear channel no sound (including either RR or RL no sound
PCB damaged,
dry-soldered or
short-circuited
Poor connection of
rear speaker cables
and jacks, or
defective speaker
cables, jacks or rear
driver units
1. Defective IC1, IC2 or other
components relating to IC1 and
IC2 on INPUT PCB
2. Defective IC5 , IC2 or
components relating to IC5 and
IC2 on AMP PCB
Repair or
replacing
Check and replace
defective IC or
components
Repair or
replacing
Defective
connection of rear
audio cables, or
JACK
disconnected from
PCB or defective
Repair or
replacing