Sony SA-WCT291 Service Manual - Page 6

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Sony SA-WCT291 Service Manual
HT-CT290/CT291
Activating wireless transmission between specifi c units
(Secure Link)
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.
1
Press LINK on the rear of the
subwoofer.
The power indicator on the
subwoofer flashes in orange.
2
Hold down CLEAR AUDIO+ for
5 seconds.
The USB and TV indicators flash
two times, then the MOVIE and
MUSIC indicators flash alternately.
When the Bar Speaker is linked to
the subwoofer, the indicators stop
flashing and the power indicator on
the subwoofer lights up in orange.
If it failed, the indicators light up for
5 seconds. Try again the above
operation.
To deactivate this function, hold
down CLEAR AUDIO+ for
5 seconds.
The USB indicator flashes twice.
WHAT TO DO IF PROTECT
If all of the LEDs are lit for 10 seconds, 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.
BOND FIXATION OF ELECTRIC PARTS
When SWITCHING REGULATOR 3L411L board (US, CND) or
SWITCHING REGULATOR 3L411W board (Except US, CND,
E12) or SWITCHING REGULATOR 3L411W-1 board (E12)
is replaced, it is necessary to fix parts to the boards by using a
specified bond without fail.
• Object boards
1. SWITCHING REGULATOR 3L411L board (US, CND)
2. SWITCHING REGULATOR 3L411W board (Except US,
CND, E12)
3. SWITCHING REGULATOR 3L411W-1 board (E12)
• Use bond
Part No.
Description
7-600-020-70
ADHESIVE (SC608Z2) 180ML
• Parts position
1. SWITCHING REGULATOR 3L411L board (US, CND)
(page 6)
2. SWITCHING REGULATOR 3L411W board (Except US,
CND, E12) (page 6)
3. SWITCHING REGULATOR 3L411W-1 board (E12)
(page 7)
6
1. SWITCHING REGULATOR 3L411L board
(US, CND)
– SWITCHING REGULATOR 3L411L board
(US, CND) (Component Side) –
*The portion which applies bond:
2. SWITCHING REGULATOR 3L411W board
(Except US, CND, E12)
– SWITCHING REGULATOR 3L411W board
(Except US, CND, E12) (Component Side) –
*The portion which applies bond: