HT-CT780
5
DESTINATION ABBREVIATIONS
The following abbreviations for model destinations are used in this
service manual.
• Abbreviations
AUS
:
Australian
model
BR : Brazilian model
CH : Chinese model
CND : Canadian model
E3 : African and Iranian models
EA3 : Saudi Arabia, UAE, Kuwait, Iraqi, Kenyan, Tanzanian and
Nigerian models
SP : Singapore model
TW
:
Taiwan
model
ADVANCE PREPARATION WHEN CONFIRMING OP-
ERATION
All of the units included in the HT-CT780 (SA-CT780/SA-
WCT780/Remote control) are required to con
fi
rming operation of
SA-CT780. Check in advance that you have all of the units.
NOTE OF REPLACING THE KEY BOARD
When the KEY board is defective, replace the complete mounted
board.
NOTE OF REPLACING THE IC102, IC104, IC307, IC308,
IC313, IC601 TO IC603, IC605, IC1002, IC1004 AND
IC1501 ON THE MAIN BOARD
IC102, IC104, IC307, IC308, IC313, IC601 to IC603, IC605,
IC1002, IC1004 and IC1501 on the MAIN board cannot replace
with single. When these parts are damaged, replace the complete
mounted board.
NOTE OF REPLACING THE IC503 ON THE MAIN
BOARD AND THE COMPLETE MAIN BOARD
When IC503 on the MAIN board and the complete MAIN board
are replaced, it is necessary to spread the compound between the
MAIN board and the heat sink.
Spread the compound referring to the
fi
gure below.
– MAIN Board (Side A) –
IC503
compound
IF “PRTECT (PROTECT)” APPEARS ON THE FRONT
PANEL DISPLAY OF THE BAR SPEAKER
Press the
Ò
/
Æ
(on/standby) button
on the Bar Speaker to turn off the
system. After the display stops
flashing, disconnect the AC power
cord (mains lead) then check that
nothing is blocking the ventilation
holes of the Bar Speaker.
NOTES ON UPDATE PORT
UPDATE port
This is update dedicated port of this unit.
Use this port only when updating this unit.
– Rear view –
NOTES ON THE WIRELESS CONNECTION (LINK) AFTER
REPAIRS ARE COMPLETE
When the parts below is replaced, the wireless connection (LINK)
of the Bar speaker and Subwoofer will be disconnected.
Before returning repaired products to the customer, follow the pro-
cedure below to LINK the Bar speaker and Subwoofer.
Also, if only the Bar speaker or Subwoofer is brought in for repair
and the parts below are replaced, be sure to inform the customer
when returning the repaired products that the customer must LINK
the Bar speaker and Subwoofer.
(Indicate that the LINK procedure is described in the operating
instructions)
Parts in which the LINK will be disconnected due to re-
placement:
• Complete MAIN board
• RF modulator (SWA12-4V TX) (Ref. No. RF1)
Linking the system (Link to the Subwoofer)
Set up the wireless subwoofer
connection again.
1
Press MENU.
2
Select [WS] with
j
(select), then
press ENTER.
3
Select [LINK] with
j
(select), then
press ENTER.
4
When [START] appears on the
display, press ENTER.
[SEARCH] appears, and the Bar
Speaker searches for a device that
can be used with Link. Proceed to
the next step within 1 minute.
To quit the Link function while
searching for a device, press BACK.
5
Press LINK on the subwoofer.
The on/standby indicator on the
subwoofer lights up in green. [OK]
appears on the display of the Bar
Speaker.
If [FAILED] appears, check to ensure
the subwoofer is turned on and
perform the process again from
step 1.
6
Press MENU.
The menu turns off.
Ver. 1.1
