Panasonic SC-HTB250GA User Manual

18
7.2 Active Subwoofer (SB-HWA250)
7.2.1 No power
7.2.2 No sound
7.2.3. Check Points
1
24V
MAIN P.C.B.
2
5.2V
No sound
Press the power button
on the unit to turn on
the main unit and
active subwoofer .
No power
The main unit and active
subwoofer Pairing success
s success
Input audio signal
Sound can be heard.
NG
Change Wireless
RX Module PCB
LED not light up
Change
Power PCB
NG
OK
Check the Main Q1
power output at 24V
[Refer to check point ①]
Connect the AC
mains lead
Check the Main L4 5.2V
at “5.2V”
[Refer to check point②]
NG
Change
Main PCB
OK
Check the cable is
connected correctly
(Main J5 to Wireless J2)
NG
Change Subwoofer
Box Unit
OK
Check the cable is
connected correctly
(Main J1 to LED J1B
Change Wireless RX
Module PCB
Connect correctly or
change the cable
NG
OK
NG
OK
Change
Main PCB
Connect correctly or
change the cable
NG
Check the FFC cable
(Main J5 to Wireless
J2) for damages
Change FFC cable
Check audio data from
RX Module
(Main J5 Pin 10)
NG
OK
Check audio data
from Speaker terminal
(Main J3)
NG
Change Subwoofer
Box Unit
OK
No sound
Press the power button
on the unit to turn on
the main unit and
active subwoofer .
No power
The main unit and active
subwoofer Pairing success
s success
Input audio signal
Sound can be heard.
NG
Change Wireless
RX Module PCB
LED not light up
Change
Power PCB
NG
OK
Check the Main Q1
power output at 24V
[Refer to check point ①]
Connect the AC
mains lead
Check the Main L4 5.2V
at “5.2V”
[Refer to check point②]
NG
Change
Main PCB
OK
Check the cable is
connected correctly
(Main J5 to Wireless J2)
NG
Change Subwoofer
Box Unit
OK
Check the cable is
connected correctly
(Main J1 to LED J1B
Change Wireless RX
Module PCB
Connect correctly or
change the cable
NG
OK
NG
OK
Change
Main PCB
Connect correctly or
change the cable
NG
Check the FFC cable
(Main J5 to Wireless
J2) for damages
Change FFC cable
Check audio data from
RX Module
(Main J5 Pin 10)
NG
OK
Check audio data
from Speaker terminal
(Main J3)
NG
Change Subwoofer
Box Unit
OK

Panasonic SC-HTB250GA Specifications

General

Brand	Panasonic
Model	SC-HTB250GA
Category	Home Theater System
Language	English