Sony SA-WCT180 Service Manual ▷ View online
SA-WCT180
9
2-5. AC CORD (AC1)
Note 2: Check the directions of the claw of the cord bush,
and install correctly.
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claw
AC cord (AC1)
[white line]
[white line]
cord bush
125 ± 5 mm
–5HDUYLHZ–
2 two claws
5 cord bush
3 Draw the AC cord block out
of the hole in AMP block.
6 AC cord (AC1)
4 claw
1 connector
(CN501)
–$03EORFNIURQWYLHZ–
cord bush
hole
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claw
cord bush
Note 1: When installing the cord bush to the AC cord (AC1), check the directions of the white line
of the AC cord (AC1) and the claw of the cord bush, and install correctly.
Note 3: Make sure that the white line
is at the bottom.
SA-WCT180
10
2-6. FRONT PANEL BLOCK
Insert only part way.
Insert straight into
the interior.
the interior.
connector
Insert at a slant.
connector
connector
connector
connector
connector
OK
NG
NG
How to install the connector
Insert the connector straight into the interior.
There is a possibility that using this unit without the connector
correctly installed will damage it.
Insert the connector straight into the interior.
There is a possibility that using this unit without the connector
correctly installed will damage it.
total eight bosses
1 Insert a flat-head screwdriver in
two slits of bottom of the unit, and
lift the front panel block a little.
6 front panel block
Note
Note
3: When installing the front panel block,
remove the used bond and use a new
bond to fix the front panel block.
Note 1: Please spread a sheet under
a unit not to injure cabinet.
4 Remove the front panel block
in the direction of the arrow.
5 LED board
connector
(XS6)
connector
(XS6)
– Bottom view –
3 While moving the jig in the
direction of the arrow,
remove all bosses and the
front panel block.
2 Insert the jig into the space and slowly
remove the front panel block.
Note
2: When using a jig, please work
carefully so as not to damage
the front panel block and speaker
cabinet.
2 Insert the jig into the space and slowly
remove the front panel block.
Note
2: When using a jig, please work
carefully so as not to damage
the front panel block and speaker
cabinet.
3 While moving the jig in the
direction of the arrow,
remove all bosses and the
front panel block.
SA-WCT180
SA-WCT180
11
11
2-7. LOUDSPEAKER (13 cm) (SP1)
– Front bottom view –
2 Lift up the loudspeaker
(13 cm) (SP1) in the
direction of the arrow.
4 loudspeaker (13 cm)
(SP1)
(SP1)
3
terminal (wide side)
[red]
3
terminal (narrow side)
[black]
– Front view –
Note: When installing the loudspeaker (13 cm) (SP1),
make sure that there is a position of the speaker
terminal to the position shown in the figure
below.
terminals
position
position
speaker cord
speaker terminal
OK
How to install the speaker terminal
Insert the speaker terminal straight into the interior.
There is a possibility that using this unit without the
speaker terminal correctly installed will damage it.
Insert the speaker terminal straight into the interior.
There is a possibility that using this unit without the
speaker terminal correctly installed will damage it.
Insert straight into the interior.
speaker cord
speaker terminal
NG
nsert only part way.
1 four screws
(3.5
(3.5
u 14 B)
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2-8. GRILLE (SW) ASSY
– Front panel block rear view –
3 grille (SW) assy
1 three screws
(3
(3
u 8 B)
total twelve bosses
1 three screws
(3
(3
u 8 B)
2 Insert the screwdriver into the screw hole,
and push the grille in the direction of the
arrow to remove the boss.
screwdriver
screw hole
SA-WCT180
SA-WCT180
12
12
SECTION 3
DIAGRAMS
3-1. BLOCK DIAGRAM
Pair
KEY *1
Power
KEY *1
Audio
DATA0
MCLKǃBCLKǃLRCLK
IA2S4M
Power Derating(NA)
Power
Derating
Circuit(NA)
IIC
Audio
Processor
STA369BWS
Wireless Module
FL 50W(4R) 30%
PBTL
Power/Pair
LED *2
Mute
AMP_FAULT
LDO
TJ4203
For STA369BWS ǃLED*2
3.3V
power
signal
POWER
DC-DC
EUP3482A
5V
Wireless
18V
POWER
SUPPLY
)RU67$%:6
Module
IA2S4M
18V
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