- ページ 20
ステレオシステム Panasonic SU-HTB488EGのPDF サービスマニュアルをオンラインで閲覧またはダウンロードできます。Panasonic SU-HTB488EG 42 ページ。 Home theater audio system
ページを印刷する
7.2
Active Subwoofer (SB-HWA488)
7.2.1
Connect the AC
No power
LED no light
mains lead
up
Connect the AC
LED no light
mains lead
up
7.2.2
No sound
Press the power button
on the unit to turn on
the main unit and
active subwoofer .
active subwoofer
Press the power button
on the unit to turn on
the main unit and
active subwoofer .
active subwoofer
7.2.3.
Check Points
POWER P.C.B.
Check output at
Check the cable is
25.4V
connected correctly
OK
[Refer to check
(Main XP4 to Power
point ①]
NG
Check output at
Check the cable is
Change
25.4V
Power PCB
connected correctly
OK
[Refer to check
(Main XP4 to Power
point ①]
NG
Change
Power PCB
No sound
The main unit and active
subwoofer Pairing
success
s success
The main unit and active
subwoofer Pairing
success
s success
No power
3.3V At "STB_3V3"
OK
[Refer to check
point ②]
XP1)
NG
NG
Change
3.3V At "STB_3V3"
Change Main PCB
Power PCB
OK
[Refer to check
point ②]
XP1)
NG
NG
Change
Change Main PCB
Power PCB
No sound
Input audio signal
Sound can be heard.
Input audio signal
20
Check the cable is
connected correctly
OK
(Main XP5 to LED
XP6)
NG
Check the cable is
Change Subwoofer
connected correctly
Box Unit
OK
(Main XP5 to LED
XP6)
NG
Change Subwoofer
Box Unit
NG
NG
Sound can be heard.
25.4V
1
Change
OK
Subwoofer
Box Unit
Change
OK
Subwoofer
Box Unit
Change
Main PCB
Change
Main PCB