Page 1
SS-CT33/TS20/
TS21/WS12
SERVICE MANUAL
Ver. 1.2 2005.10
SS-TS21 SS-WS12 SS-TS20 SS-CT33
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
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
Center (SS-CT33)
Speaker system Two-way Bass reflex
Speaker units 70 mm dia. cone type,
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.
25 mm dia. balance-dome-type tweeter
9-879-039-03
2005J16-1
© 2005.10
SPEAKER SYSTEM
Sony Corporation
Audio Group
Published by Sony Engineering Corporation
Page 2
SS-CT33/TS20/TS21/WS12
NOTE:
• The mechanical parts with no reference
number in the exploded views are not supplied.
SS-CT33
EXPLODED VIEWS
• XX and -X mean standardized parts, so they
may have some difference from the original one.
5
not
supplied
3
not
supplied
not
supplied
not
supplied
not
supplied
4
1
3
not
supplied
not
supplied
6
not
3
supplied
3
2
7
8
SP2
1 1
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
SP1
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)
2
Page 3
SS-TS20
SS-CT33/TS20/TS21/WS12
51
52
SP3
53
56
not
supplied
not
supplied
54
52
not
supplied
55
55
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)
3
Page 4
SS-CT33/TS20/TS21/WS12
Ver. 1.1
SS-TS21
102
103
102
SP4
SP5
102
111
102
not
supplied
104
102
105
not
supplied
not
supplied
not
supplied
not
supplied
not
supplied
102
106
a
107
108
110
102
104
102
not
supplied
101
not
supplied
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
a
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
102
102
109
4
Page 5
SS-WS12
SS-CT33/TS20/TS21/WS12
Ver. 1.2
156
155
not
supplied
SP6
152
154
153
158
SP6
154
158
154
154
158
159
160
157
158
151
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)
5
Page 6
SS-CT33/TS20/TS21/WS12
REVISION HISTORY
Clicking the version allows you to jump to the revised page.
Also, clicking the version at the upper right on the revised page allows you to jump to the next revised
page.
Ver. Date Description of Revision
1.0 2004.06 New
1.1 2005.02 Addition of Ref. No. 111 (SS-TS21)
Change of Parts No. for Ref. No. 104, 151, 155 (SPM-05008)
1.2 2005.10 Addition of Parts No. for Ref. No.159 and 160 (SPM-05069)
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