Table of Contents
Advertisement
7.2.
Troubleshooting guide for Wireless
Sound skip from front speaker (Bluetooth input)
Audio confirmation
No sound from front speaker (Bluetooth input)
B luetooth (B T)
Module
Subwoofer (
SB-HWA880)
sound skip
SB-HWA880
Subwoofer
no sound
Wireless link light checking SB-HWA880 upper left
front
S ubWoofer R F R eceiver
Module
S B - HWA880
Check the radio wave interference of other wireless equipment (cordless phone,
microwave oven, WiFi, other BT devices).
VFD display BLUETOOTH READY
C
h
e
k c
h t
e
c
o
n
n
e
t c
o i
(PAIRING OK)
VFD does not display your Device name
C
h
e
k c
B
T
m
o
d
u
e l
c
(PAIRING FAILED)
Unable to view HTBx80 in list of BT devices
in external BT device
F
o r
t n
s
p
e
a
k
r e
v
o
c i
e
n
r o
m
l a
C
h
e
k c
h t
e
a r
d
o i
w
a
F
o r
t n
s
p
e
a
k
r e
v
o
c i
e
n
r o
m
l a
C
h
e
k c
h t
e
m
a
n i
u
n
t i
Wireless Link LED lights GREEN
Check the connection from Digital Amplifier board to SW speaker
W
i
e r
e l
s s
L
n i
k
L
E
D
g i l
h
s t
R
E
D
C
h
e
k c
h t
e
i w
e r
e l
s s
C
h
e
k c
h t
e
p
a
r i
n i
g
s
20
Place subwoofer & other wireless equipment more than 2 meters away from main unit
n
o t
f
o r
t n
s
p
e
a
k
r e
C
h
e
o
n
n
e
t c
o i
n
o t
m
a
n i
b
o
a
d r
C
h
e
Check IC8005 pin 9
Check IC8005 pin 13 > +3V
Check IC8005 pin 15, 2, 4 > +3V.
If all above are OK, BT module failure
v
e
i
t n
r e
e f
e r
n
c
e
f o
o
h t
r e
i w
e r
e l
s s
e
q
u
p i
m
e
t n
2 (
4 .
G
H
z
b
a
n
) d
Place subwoofer & other wireless equipment more than 2 meters away from main unit
&
s
u
b
w
o
f o
r e
i w
e r
e l
s s
c
o
n
n
e
t c
o i
n
(
- 2
i w
e r
c
a
b
e l
a
s s
e
m
b
) y l
Failure of Digital Amplifier Circuit of the subwoofer.
n i l
k
P
o
w
a t
u t
s
R
e
d
Failure of Transmitter board on Main Unit or Receiver board on Subwoofer
k c
M
a
n i
board (Micon/DSP & Digital Amplifier Circuit)
Main board change
k c
M
a
n i
b
o
a
d r
Q
R
8
1
0
1
b -
+3.3V; Q8100-c,e
+5V
+5V
Main board change.
r e
c
c y
e l
h t
e
m
a
n i
u
n
t i
a
n
d
s
u
b
w
o
o
e f
. r
o
p
a
r i
n i
g
r (
f e
r e
o t
o
p
r e
t a
o i
n
m
a
n
u
l a
p
a
g
e
2
8
f
r o
S
C
-
H
T
B
8
8
5
Advertisement
Table of Contents
Troubleshooting
