Sony SS-M20 User manual

SS-M20/M20D/M40D SS-M60D/M80D SS-WM80D
SERVICE MANUAL
Sony Corporation
Published by Sony EMCS (Malaysia) PG Tec
SPEAKER SYSTEM
• SS-M20 is the front speaker in MHC-M20.
• SS-M20D is the front speaker in MHC-M20D.
• SS-M40D is the front speaker in MHC-M40D.
• SS-M60D is the front speaker in MHC-M60D.
• SS-M80D is the front speaker in MHC-M80D.
• SS-WM80D is the subwoofer speaker in MHC-M80D.
Ver. 1.1 2018.05
9-890-694-02
2018E80-1
© 2018.05
SPECIFICATIONS
Speaker System
SS-WM80D
Speaker system:
1-way, Bass Refl ex
Speaker unit:
Subwoofer: 250mm, cone type
Rated impedance:
3 ohms
Dimensions (w/h/d) (Approx.):
340 mm × 405 mm × 315 mm
Mass (Approx.):
8.5 kg
SS-M80D
Speaker system:
3-way, Bass Refl ex
Speaker unit:
Mid: 80 mm, cone type
Tweeters: 50 mm, cone type
Woofers: 200 mm, cone type
Rated impedance:
Mid/Tweeter: 8 ohms
Woofers: 3 ohms
Dimensions (w/h/d) (Approx.):
285 mm × 405 mm × 350 mm
Mass (Approx.):
7.4 kg
SS-M60D
Speaker system:
3-way, Bass Refl ex
Speaker unit:
Mid: 80 mm, cone type
Tweeters: 50 mm, cone type
Woofers: 200 mm, cone type
• JIG
When disassembling the set, use the following jig (for front panel
removal).
Part No.: J-2501-238-A JIG FOR SPEAKER REMOVAL
US Model
Canadian Model
SS-M20
AEP Model
SS-M20D/M60D
UK Model
SS-M20D
Russian Model
SS-M20D/M40D/M60D
E Model
Australian Model
SS-M20D/M40D/M60D/M80D/
WM80D
Brazilian Model
SS-M60D/M80D/WM80D
Malaysia Model
SS-M40D/M60D
SS-M20/M20D/M40D/M60D/M80D/
WM80D
Rated impedance:
Mid/Tweeter: 8 ohms
Woofers: 3 ohms
Dimensions (w/h/d) (Approx.):
285 mm × 405 mm × 310 mm
Mass (Approx.):
7.2 kg
SS-M40D
Speaker system:
2-way, Bass Refl ex
Speaker unit:
Tweeters: 50 mm, cone type
Woofers: 200 mm, cone type
Rated impedance:
6 ohms
Dimensions (w/h/d) (Approx.):
255 mm × 405 mm × 220 mm
Mass (Approx.):
5.1 kg
SS-M20/M20D
Speaker system:
2-way, Bass Refl ex
Speaker unit:
Tweeters: 50 mm (2 in), cone type
Woofers: 200 mm (8 in), cone type
Rated impedance:
4 ohms
Dimensions (w/h/d) (Approx.):
255 mm × 405 mm × 220 mm
(10 1/8 in x 16 in x 8 3/4 in)
Mass (Approx.):
5.1 kg (11 lb 4 oz)
Design and specifi cations are subject to
change without notice.
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2
SS-M20/M20D/M40D/M60D/M80D/WM80D
SECTION 1
DIAGRAMS
For Schematic Diagrams.
Note:
• C : panel designation.
• Signal path
F : AUDIO
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
• : Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
1-1. PRINTED WIRING BOARD – SPK RGB LED Board (M60D) –
• : Uses unleaded solder.
1
A
B
C
D
E
F
G
H
I
2345678
D4570
CL4570
CL4571
CL4572
CL4573
CN4570 1
4
1-982-776-
11
(11)
1-982-776-
11
(11)
SPK RGB LED BOARD
(M60D)
(COMPONENT SIDE)
SPK RGB LED BOARD
(M60D)
(CONDUCTOR SIDE)
GA
RA
BA
GK
RK
BK
GK
BK RK
GA BA RA
D4570
SPEAKER LIGHT
L/R
Ver. 1.1
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3
SS-M20/M20D/M40D/M60D/M80D/WM80D
1-2. PRINTED WIRING BOARD – SPK RGB LED Board (M80D) –
• : Uses unleaded solder.
1
A
B
C
D
E
F
G
H
I
J
K
2345678
D4551
CL4551
CL4552
CL4553
CL4554
14 CN4551
1-982-775-
11
(11)
1-982-775-
11
(11)
SPK RGB LED BOARD
(M80D)
(COMPONENT SIDE)
SPK RGB LED BOARD
(M80D)
(CONDUCTOR SIDE)
GA
RA
BA
GK
RK
BK
GK
BK RK
GA BA RA
D4551
PARTY LIGHT
L/R
Ver. 1.1
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4
SS-M20/M20D/M40D/M60D/M80D/WM80D
1-3. PRINTED WIRING BOARD – SPK PARTY LED Board (M80D) –
• : Uses unleaded solder.
1
A
B
C
D
E
F
G
H
I
J
K
2345678
D4500
D4501
CL4503
CL4504
CL4505
13
CN4500
1-982-774-
11
(11)
1-982-774-
11
(11)
SPK PARTY LED BOARD
(M80D)
(COMPONENT SIDE)
SPK PARTY LED BOARD
(M80D)
(CONDUCTOR SIDE)
GA
RA
BA
GK
RK
BK
GK
BK RK
GA BA RA
D4500, D4501
PARTY LIGHT
L/R
Ver. 1.1
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5
SS-M20/M20D/M40D/M60D/M80D/WM80D
1-4. PRINTED WIRING BOARD – SW SPK LED Board (WM80D) –
• : Uses unleaded solder.
1
A
B
C
D
E
F
G
H
I
J
K
2345678
D4601
CL4601
CL4602
CL4603
CL4604
14
CN4601
1-982-812-
11
(11)
1-982-812-
11
(11)
SW SPK LED BOARD
(WM80D)
(COMPONENT SIDE)
SW SPK LED BOARD
(WM80D)
(CONDUCTOR SIDE)
GA
RA
BA
GK
RK
BK
GK
BK RK
GA BA RA
D4601
PARTY LIGHT
SUBWOOFER
Ver. 1.1
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6
SS-M20/M20D/M40D/M60D/M80D/WM80D
The components identifi ed by mark 9 con-
tain confi dential information.
Strictly follow the instructions whenever the
components are repaired and/or replaced.
Les composants identifi és par la marque
9 contiennent des informations confi den-
tielles.
Suivre scrupuleusement les instructions
chaque fois qu’un composant est rem-
placé et / ou réparé.
SECTION 2
EXPLODED VIEWS
2-1. SS-M20/M20D/M40D
1 4-874-614-02 SCREW (1) (3.5X14), TAPPING
2 1-859-271-11 LOUDSPEAKER (5CM) (M20/M20D)
2 1-859-275-11 LOUDSPEAKER (5CM) (M40D)
3 4-725-971-01 PANEL, FRONT
4 4-238-407-02 SCREW (1) (4X20), +BV TAPPING (M20)
4 4-238-407-12 SCREW (1) (4X20), +BV TAPPING (M20D/M40D)
5 1-859-259-11 LOUDSPEAKER (20CM) (M40D)
5 1-859-285-11 LOUDSPEAKER (20CM) (M20/M20D)
ns not supplied
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark
Note:
• -XX and -X mean standardized parts, so
they may have some diff erence from the
original one.
• Items marked “*” are not stocked since they
are seldom required for routine service.
Some delay should be anticipated when
ordering these items.
• The mechanical parts with no reference
number in the exploded views are not sup-
plied.
• Color Indication of Appearance Parts Ex-
ample:
KNOB, BALANCE (WHITE) . . . (RED)
 
Parts Color Cabinet’s Color
• Abbreviation
AR : Argentina model
AUS : Australian model
BR : Brazilian model
CND : Canadian model
E4 : African model
E93 : 240 V AC area in E model
LA9 : Latin-American model
MY : Malaysia model
RU : Russian model
The components identified by mark 0
or dotted line with mark 0 are critical for
safety.
Replace only with part number specifi ed.
Les composants identifi és par une marque
0 sont critiques pour la sécurité.
Ne les remplacer que par une pièce por-
tant le numéro spécifi é.
Ver. 1.1
ns
ns
ns
ns
1
2
4
3
5
ns
ns
ns
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7
SS-M20/M20D/M40D/M60D/M80D/WM80D
51 4-874-614-02 SCREW (1) (3.5X14), TAPPING
52 1-859-271-11 LOUDSPEAKER (5CM)
53 1-859-272-11 LOUDSPEAKER (8CM)
54 4-725-963-01 PANEL, FRONT
55 A-2192-367-A SPK RGB LED BOARD, COMPLETE (M80D)
55 A-2196-566-A SPK RGB LED BOARD, COMPLETE (M60D)
56 1-912-365-21 CABLE WITH CONNECTOR
57 4-238-407-12 SCREW (1) (4X20), +BV TAPPING
58 1-859-273-11 LOUDSPEAKER (20CM)
59 A-2192-366-A SPK PARTY LED BOARD, COMPLETE (M80D)
#1 7-685-646-71 SCREW +BVTP 3X8 TYPE2 IT-3
#2 7-685-647-71 SCREW +BVTP 3X10 TYPE2 IT-3
#3 7-685-650-79 SCREW +BVTP 3X16 TYPE2 IT-3
ns not supplied
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark
2-2. SS-M60D/M80D
Note: This diagram is for SS-M60D speakers or SS-
M80D R channel speaker. The mechanical
position of SS-M80D L channel speaker is
reversed.
Ver. 1.1
(M80D)
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
#2
#1
#1
#2
#3
51
51
52
53
54
57
56
55
57
58
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
59
ns
ns
ns
ns
ns
ns
ns
(M60D) (M80D)
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8
SS-M20/M20D/M40D/M60D/M80D/WM80D
2-3. SS-WM80D
101 A-2192-741-A SW SPK LED BOARD, COMPLETE
102 1-912-386-21 CABLE WITH CONNECTOR
103 4-725-959-01 PANEL, FRONT
104 4-238-407-12 SCREW (1) (4X20), +BV TAPPING
105 1-859-274-11 LOUDSPEAKER (25CM)
#1 7-685-646-71 SCREW +BVTP 3X8 TYPE2 IT-3
#3 7-685-650-79 SCREW +BVTP 3X16 TYPE2 IT-3
ns not supplied
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark
Ver. 1.1
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns ns
ns
#3
#1
#3
104
101
103
102
105
104
ns
ns
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A-2192-366-A SPK PARTY LED BOARD, COMPLETE (M80D)
*****************************
************************************************************
A-2192-367-A SPK RGB LED BOARD, COMPLETE (M80D)
A-2196-566-A SPK RGB LED BOARD, COMPLETE (M60D)
***************************
************************************************************
A-2192-741-A SW SPK LED BOARD, COMPLETE (WM80D)
**************************
************************************************************
9
SS-M20/M20D/M40D/M60D/M80D/WM80D
SECTION 3
ELECTRICAL PARTS LIST SPK PARTY LED
SPK RGB LED SW SPK LED
Ref. No. Part No. Description Remark
Note:
• Due to standardization, replacements in
the parts list may be different from the
parts specified in the diagrams or the
components used on the set.
• -XX and -X mean standardized parts, so
they may have some difference from the
original one.
• RESISTORS
All resistors are in ohms.
METAL: Metal-fi lm resistor.
METAL OXIDE: Metal oxide-fi lm resistor.
F: nonfl ammable
• Items marked “*” are not stocked since
they are seldom required for routine ser-
vice.
Some delay should be anticipated when
ordering these items.
• SEMICONDUCTORS
In each case, u: μ, for example:
uA. . : μA. . , uPA. . , μPA. . ,
uPB. . : μPB. . , uPC. . , μPC. . ,
uPD. . : μPD. .
• CAPACITORS
uF: μF
• COILS
uH: μH
• Abbreviation
AR : Argentina model
AUS : Australian model
BR : Brazilian model
CND : Canadian model
E4 : African model
E93 : 240 V AC area in E model
LA9 : Latin-American model
MY : Malaysia model
RU : Russian model
When indicating parts by reference num-
ber, please include the board name.
Ver. 1.1
The components identifi ed by mark 9 con-
tain confi dential information.
Strictly follow the instructions whenever the
components are repaired and/or replaced.
Les composants identifi és par la marque
9 contiennent des informations confi den-
tielles.
Suivre scrupuleusement les instructions
chaque fois qu’un composant est rem-
placé et / ou réparé.
The components identified by mark 0
or dotted line with mark 0 are critical for
safety.
Replace only with part number specifi ed.
Les composants identifi és par une marque
0 sont critiques pour la sécurité.
Ne les remplacer que par une pièce por-
tant le numéro spécifi é.
SYSSET
2018/05/2500:59:48(GMT+09:00)

SS-M20/M20D/M40D/M60D/M80D/WM80D
REVISION HISTORY
Ver. Date Description of Revision
1.0 2018.02 New
1.1 2018.05 Addition of Malaysia and Argentina models (SS-M40D/M60D/M80D/WM80D).
Addition of SS-M20D and SS-M20 models.
Add COVER, BRACKET, CUSHION (MONICA), CUSHION (MIRANDA), CUSHION (SW),
CUSHION (CLOTH), RUBBER and TAPE for SS-M60D and SS-M80D models in page 7.
Add CUSHION (MONICA) for SS-M20, SS-M20D and SS-M40D models in page 6.
Add CUSHION (MONICA), CUSHION (MIRANDA), CUSHION (SW) and RUBBER,T for
SS-WM80D model in page 8.
Add one screw of SCREW +BVTP 3X16 TYPE2 IT-3 in page 7.
Add two screws of SCREW +BVTP 3X16 TYPE2 IT-3 in page 8.
Change P/N and description of screw type from SCREW +BVTP 3X10 TYPE2 IT-3 to
SCREW +BVTP 3X16 TYPE2 IT-3 in page 8.
Delete one screw of SCREW +BVTP 3X10 TYPE2 IT-3 in page 7.
How to search for a contact point of signal lines or the like in DIAGRAMS SECTION
If a contact point of a BLOCK DIAGRAM, PRINTED WIRING BOARD or SCHEMATIC DIAGRAM is shown in a diff erent page, use
the PDF fi le search function to fi nd one.
e.g.) If a contact point is shown as , follow the procedure below.
Procedure:
1. Press the [F] key while pressing the [Ctrl] key.
2. Input “>001Z” in the search box and press the [Enter] key.
3. The relevant part (page), where the contact point is shown, appears.
Note: If you still see the original page, press the [Enter] key again.
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