Sony HT-CT180, Руководство по обслуживанию

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HT-CT180
5
ABOUT PARTS REPAIR OF EACH BOARDS
When each boards installed in this unit are defective, individual
electrical parts that the mount is done cannot be replaced. When
each boards are defective, replace the mounted board or the whole
parts including an applicable board.
Printed wiring board and schematic diagram that have been de-
scribed on this service manual are for reference.
(Printed wiring board and schematic diagram of WIERLESS board
have not described)
NOTE OF REPLACING THE BT NFC BOARD OR THE
NFC MODULE
When replacing the BT NFC board or the NFC module, be sure to
replace both at the same time.
The BT NFC board or the NFC module cannot replace with single.
WHAT TO DO IF PROTECT
If all of the LEDs are lit, it is state in the protect. This state shows
an abnormality of the AMP circuit.
In this case, there is a possibility that the MAIN board is defective.
Please replace the MAIN board.
NOTE OF REPLACING THE WIRELESS BOARD
When replaced the WIRELESS board, link of SA-CT180 and SA-
WCT180 will be disconnected.
Before you return repaired unit to customers, please link the SA-
CT180 and SA-WCT180 by the following procedure.
If, in a state in which only one of SA-CT180 or SA-WCT180 is
brought into service
fi eld, and replaced the WIRELESS board of
SA-CT180 or SA-WCT180, when returning the repaired unit, be
sure to inform the customers that it is necessary to link the follow-
ing procedure.
Enabling the Secure Link
function
You can specify the wireless connection
to link the Bar Speaker to the subwoofer
using the Secure Link function. This
function can help prevent interference if
you use multiple wireless products or
your neighbors use wireless products.
1
Press LINK on the rear of the
subwoofer.
You will hear beeps from the
subwoofer.
2
Hold down PAIRING on the Bar
Speaker for 5 seconds, then VOL –
for 5 seconds.
The OPTICAL and ANALOG
indicators flash alternately.
When the Bar Speaker is linked to
the subwoofer, the indicators stop
flashing.
If it failed, the indicators light up for
5 seconds. Try again the above
operation.
METHOD OF RESET
If the system still does not operate
properly, reset the system as follows:
1
While holding down the @ / 1 (on/
standby) button on the system,
hold down the INPUT and VOL –
buttons simultaneously for 5
seconds.
All 5 indicators on the Bar Speaker
flash 3 times, and the settings
return to their initial status.
2
Disconnect the AC power cord
(mains lead).