Sony SA-VE225 / SA-WMS225 / SS-CN225 / SS-V225 Service Manual ▷ View online
SERVICE MANUAL
9-929-575-12
2008C05-1
© 2008.03
© 2008.03
Sony Corporation
Audio Business Group
Published by Sony Techno Create Corporation
Published by Sony Techno Create Corporation
SS-V225 (Front and rear speakers)
Speaker system
Full range, magnetically
shielded
shielded
Speaker units
5
× 9 cm, cone type
Enclosure type
Bass reflex
Rated impedance
8 ohms
Power handling capacity
Maximum input power:
Maximum input power:
100 watts
Sensitivity level
86 dB (1 W, 1 m)
Frequency range
90 Hz - 20,000 Hz
Dimensions (w/h/d)
Approx. 70
× 151 ×
126 mm, including front
grille
grille
Mass
Approx. 550 g each
SS-CN225 (Center speaker)
Speaker system
Full range
× 2,
magnetically shielded
Speaker units
5
× 9 cm, cone type
Enclosure type
Bass reflex
Rated impedance
8 ohms
Power handling capacity
Maximum input power:
Maximum input power:
120 watts
Sensitivity level
88 dB (1 W, 1 m)
Frequency range
90 Hz - 20,000 Hz
Dimensions (w/h/d)
Approx. 301
× 70 ×
126 mm, including front
grille
grille
Mass
Approx. 1.1 kg
SA-WMS225 (subwoofer)
Speaker system
Active subwoofer,
magnetically shielded
magnetically shielded
Speaker unit
Woofer: 16 cm, cone type
Enclosure type
Advanced SAW type
Amplifire section
Continuous RMS power output
Continuous RMS power output
50 W(8 ohms, 20 - 150 Hz,
0.8% THD)
0.8% THD)
Reproduction frequency range
28 Hz - 200 Hz
High frequency cut-off frequency
200 Hz
Inputs
LINE IN (input pin jack)
SPEAKER IN (input terminals)
SPEAKER IN (input terminals)
Outputs
LINE OUT (output pin jack)
SPEAKER OUT (output terminals)
SPEAKER OUT (output terminals)
General
Power requirements
220 - 230 V AC, 50/60 Hz
Power consumptions
50 W
Dimensions (w/h/d)
Approx. 205
× 385 × 385
mm, including front grille
Mass
Approx. 10.5 kg
Supplied accessories
Foot pads (20)
Monaural connecting cord (1 phono to 1 phono) (1)
Speaker connecting cords, 10 m (2)
Speaker connecting cords, 3.5 m (3)
Speaker connecting cords, 2.5 m (2)
Monaural connecting cord (1 phono to 1 phono) (1)
Speaker connecting cords, 10 m (2)
Speaker connecting cords, 3.5 m (3)
Speaker connecting cords, 2.5 m (2)
Design and specifications are subject to change without
notice.
notice.
MICRO SATELLITE SYSTEM
AEP Model
UK Model
Ver. 1.1 2008.03
SPECIFICATIONS
SA-VE225/WMS225/
SS-CN225/V225
• SA-VE225 consists of the following models respectively.
SA-VE225
Active Subwoofer
SA-WMS225
Center Speaker
SS-CN225
Front and Rear Speakers
SS-V225
Photo: SA-WMS225
Photo: SS-V225
Photo: SS-CN225
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK
0
OR DOTTED LINE
WITH MARK
0
ON THE SCHEMATIC DIAGRAMS AND IN
THE PARTS LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE
PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR
IN SUPPLEMENTS PUBLISHED BY SONY.
REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE
PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR
IN SUPPLEMENTS PUBLISHED BY SONY.
2
SA-VE225/WMS225/SS-CN225/V225
SECTION 1
DIAGRAMS
1-1.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
Note on Printed Wiring Boards:
•
•
X
: parts extracted from the component side.
•
: Pattern from the side which enables seeing.
Note on Schematic Diagram:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
2
: nonflammable resistor.
•
5
: fusible resistor.
•
C
: panel designation.
•
A
: B+ Line.
•
B
: B– Line.
• Voltages are dc with respect to ground under no-signal
conditions.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Signal path.
F
: AUDIO
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
SA-VE225/WMS225/SS-CN225/V225
3
3
THERMAL
SHUTDOWN
BIPOLAR
TRANSCONDACTANCE
INPUT STAGE
STANDBY/
MUTE
BOOST-
STRAP
MOS GAIN &
LEVEL SHIFTING
STAGE
STBY
-GND
IN–
IN+
IN+ MUTE
NC
BOOSTSTRAP
+VS
–VS
STBY
MUTE
NC
NC
+PWVS
OUT
–PWVS
14 15
12
13
10
11
8 9
6
7
5
3
4
1 2
+
–
MOS
OUTPUT
STAGE
SHORT
CIRCUIT
PROTECTION
1
2
3
4
5
6
7
8
OVER LOAD DET
F/F
OFFSET DET
LATCH/
AUTORESET
V
CC
ON
MUTE
AC OFF
DET
OVER LOAD DET
OFFSET DET
AUTO RESET
AC OFF DET
GND
RELAY DRIVE
VCC ON MUTE
VCC
• IC Block Diagrams
– MAIN Board –
IC302
µ
PC1237HA
•
Circuit Boards Location
SA-WMS225
POWER IC board
POWER SW board
LED board
CONTROL board
MAIN board
– POWER IC Board –
IC401
TDA7294
SA-VE225/WMS225/SS-CN225/V225
4
4
LED BOARD
LEVEL
MODE
MUSIC
MOVIE
(POWER)
SP1
(SPEAKER)
(SPEAKER)
11
1-676-716-
(13)
11
(13)
11
(13)
11
(11)
MAIN BOARD
POWER
T501
POWER
TRANSFORMER
AC
IN
11
(13)
CONTROL BOARD
POWER SW
BOARD
POWER IC BOARD
SPEAKER
R
L
OUT
IN
r
1-676-713
LINE
1-677-993-
1-676-714-
1-676-565-
R102
R101
R103 R104
1
2
A
B
C
D
E
F
G
H
3
4
5
6
7
8
9
10
11
1-2.
PRINTED WIRING BOARDS (SA-WMS225)
•
See page 3 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
D101
G-11
D102
F-11
D103
G-10
D104
G-10
D301
F-8
D302
F-8
D303
F-5
D304
D-8
D501
G-5
D502
G-7
D503
H-7
D801
B-7
IC101
G-11
IC102
G-9
IC103
E-11
IC201
B-3
IC302
E-10
IC401
B-10
Q101
G-9
Q102
G-8
Q103
E-10
Q303
D-9