HT-CT380, HT-CT381, SA-CT380, SA-CT381 - Sony Audio Service Manual (repair manual). Page 5

DESTINATION  ABBREVIATIONS
The following abbreviations for model destinations are used in this 
service manual.

• Abbreviations
 AR  : 

Argentina 

model

 AUS : 

Australian 

model

  CND  : Canadian model
  E3 

: African and Iranian models

  EA3  : Saudi Arabia, UAE, Kuwait, Iraqi, Kenyan, Tanzanian and 

Nigerian models

  LA 

: Latin American model (Except for Brazilian and Argentina)

  RU 

: Russian model

  SP 

: Singapore model

 TH  : 

Thai 

model

ADVANCE  PREPARATION  WHEN  CONFIRMING  OP-
ERATION
All of the units included in the HT-CT380/CT381 (SA-CT380/
CT381, SA-WCT380/WCT381, Remote control) are required to 
confi rming operation of SA-CT380/CT381. 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  IC1009,  IC1010,  IC1012,  
IC2008,  IC2009  AND  IC3109  ON  THE  MAIN  BOARD
IC1009, IC1010, IC1012, IC2008, IC2009 and IC3109 on the 
MAIN board cannot replace with single. When these parts are 
damaged, replace the complete mounted board.

NOTE  OF  REPLACING  THE  IC3001  ON  THE  MAIN  
BOARD  AND  THE  COMPLETE  MAIN  BOARD
When IC3001 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.

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

• 

IC1002 on the MAIN board (microprocessor)

• 

RF modulator (SWA12-4V TX) (Ref. No. RF1)

Set up the wireless subwoofer 
connection again.

1

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.

‚ 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.