Service Guide
SW-HF 5.1 5005
1.2.4
Rear channel no sound (including either RR or RL no sound)
Problem
Analyze and
identify the
causes
Solutions
Version 1.1 Page 10 of 30
Rear channel no sound (including either RR
or RL no sound)
PCB damaged,
dry-soldered or
short-circuited
Defective
connection of rear
speaker cables
and jacks, or
defective speaker
cables, jacks or
rear driver units
1. Defective IC1, IC2 or
components relating to
IC1 and IC2 on SW-HF5.1
INPUT PCB
2. Defective IC5
，
IC1 or
components relating to
IC5 and IC1 on SW-HF5.1
AMP PCB
Repair or
replacing
Repair or
replacing
Check and replace
defective IC or
components
Defective
connection of rear
audio cables, or
JACK
disconnected
from PCB or
defective
Repair or
replacing
