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SERVICE MANUAL
Sony Corporation
Audio Group
Published by Sony Engineering Corporation
US Model
SS-CT33/TS20/TS21/WS12
Canadian Model
SS-TS20/WS12
AEP Model
UK Model
E Model
Australian Model
SS-CT33/TS20/TS21/WS12
SPEAKER SYSTEM
9-879-039-03
2005J16-1
© 2005.10
Ver. 1.2 2005.10
SPECIFICATIONS
Front (SS-TS21)
Speaker system
Two-way Bass reflex
Speaker units
70 mm dia. cone type,
25 mm dia. balance-dome-type tweeter
Rated Impedance
4 ohms
Dimensions (Approx.)
250 x 1115 x 250 mm (w/h/d)
Mass (Approx.)
4.5 kg
Center (SS-CT33)
Speaker system
Two-way Bass reflex
Speaker units
70 mm dia. cone type,
25 mm dia. balance-dome-type tweeter
Rated Impedance
4 ohms
Dimensions (Approx.)
360 x 95 x 80 mm (w/h/d)
Mass (Approx.)
1.0 kg
Surround (SS-TS20)
Speaker system
Bass reflex
Speaker units
70 mm dia. cone type
Rated Impedance
4 ohms
Dimensions (Approx.)
90 x 225 x 75 mm (w/h/d)
Mass (Approx.)
0.7 kg
Subwoofer (SS-WS12)
Speaker system
Bass reflex
Speaker units
160 mm dia. cone type x 2
Rated Impedance
4 ohms
Dimensions (Approx.)
205 x 370 x 450 mm (w/h/d)
Mass (Approx.)
9.5 kg
Design and specifications are subject to change without notice.
SS-CT33/TS20/
TS21/WS12
SS-TS21
SS-WS12
SS-TS20
SS-CT33


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2
SS-CT33/TS20/TS21/WS12
EXPLODED VIEWS
NOTE:
·
The mechanical parts with no reference
number in the exploded views are not supplied.
·
XX and -X mean standardized parts, so they
may have some difference from the original one.
SS-CT33
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
1
2-048-751-01 SCREW +BVTP 3.5X14 TYPE2
2
4-255-212-01 FRAME, GRILLE
3
4-874-614-82 SCREW
4
4-255-211-01 PLATE, ORNAMENTAL
5
1-694-836-11 TERMINAL, SPEAKER
6
4-255-886-01 FOOT
7
A-4715-726-A CABINET ASSY
8
A-4715-725-A OVERALL ASSY
SP1
X-2022-128-1 SPEAKER ASSY (2.5cm)
SP2
1-825-871-11 SPEAKER (7cm)
not
supplied
not
supplied
not
supplied
not
supplied
not
supplied
not
supplied
not
supplied
2
3
3
3
3
4
5
6
7
8
SP1
1
1
1
not
supplied
SP2


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3
SS-CT33/TS20/TS21/WS12
SS-TS20
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
51
X-4956-466-1 FRAME ASSY, GRILLE
52
2-048-751-01 SCREW +BVTP 3.5X14 TYPE2
53
4-874-614-82 SCREW
54
1-694-836-11 TERMINAL, SPEAKER
55
4-255-545-01 FOOT
56
A-4715-728-A CABINET ASSY
SP3
1-825-871-11 SPEAKER (7cm)
not
supplied
SP3
51
52
53
56
52
not
supplied
not
supplied
54
55
55


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SS-CT33/TS20/TS21/WS12
SS-TS21
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
101
7-685-260-14 SCREW +KTP 4X10 TYPE2 NON-SLIT
102
2-048-751-01 SCREW +BVTP 3.5X14 TYPE2
103
4-255-201-01 FRAME, GRILLE
104
4-255-204-11 CATCHER, MOLD
105
4-255-203-01 PANEL, FRONT
106
4-255-202-01 CABINET
107
4-255-208-01 COVER, BASE
108
X-2022-096-1 BASE SUB ASSY
109
2-067-934-01 SCREW +BV M4X16
110
1-694-836-11 TERMINAL, SPEAKER (2.5cm)
111
A-4715-722-A OVERALL ASSY
SP4
1-825-871-11 SPEAKER (7cm)
SP5
X-2021-617-1 SPEAKER ASSY
not
supplied
not
supplied
not
supplied
not
supplied
not
supplied
not
supplied
not
supplied
not
supplied
SP4
101
102
102
104
104
103
SP5
102
102
102
102
106
105
107
102
102
102
109
110
a
a
102
108
111
Ver. 1.1


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5
SS-CT33/TS20/TS21/WS12
SS-WS12
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
151
2-048-751-01 SCREW (1)(3.5X14), TYPE2
152
4-255-189-01 FRAME, GRILLE
153
4-255-190-01 PANEL, FRONT
154
4-874-614-52 SCREW (1)(3.5X20), TAPPING
155
X-4956-465-2 CABINET ASSY
156
4-255-191-01 PANEL, REAR
157
4-255-192-01 PANEL, BOTTOM
158
4-255-582-01 FOOT
159
4-255-357-01 CLIPPER,CORD
160
9-831-275-06 WIRE KIT
SP6
1-825-870-11 SPEAKER (16cm)
152
not
supplied
153
154
154
151
SP6
SP6
157
158
158
158
158
156
155
154
154
159
160
Ver. 1.2