Service Guide
SW-HF 5.1 5005
1.2.5
Center no sound
Problem
Analyze and
identify the
causes
Solutions
Version 1.1 Page 11 of 30
Poor soldering,
broken, or short
circuit
Defective
connection of
center speaker
cables and
jacks, or
defective
speaker cables,
jacks or center
driver units
1. Defective IC1, IC2 or
components relating to IC1
and IC2 on SW-HF5.1 INPUT
PCB
2. Defective IC6, IC3 or
components relating to IC6
and IC3 on
SW-HF5.1 AMP
PCB
3. Defective VR2 or components
Check
soldering
points on
PCB, and
resolder
Reconnect
or replace
Check and replace defective
IC or components
Defective
connection of
center audio
cables, or JACK
disconnected
from PCB or
defective
Reconnect
or replace
Center no sound
