Sony HT-SL50 / HT-SL55 / HT-SL60 / SA-VE145 / SA-VE2M / SA-WMS145 / SA-WMSP50 Service Manual ▷ View online
1
• SA-WMS145 are the subwoofer
section in SA-VE145.
• SA-WMSP50 are the subwoofer
section in SA-VE2M, HT-SL50/SL55.
Ver 1.0 2003. 05
SERVICE MANUAL
AEP Model
UK Model
SA-WMS145/WMSP50
E Model
SA-WMSP50
Speaker system
Active subwoofer, magnetically shielded
Speaker unit
Woofer: 20 cm, cone type
Enclosure type
Advanced SAW type
Amplifire section
Continuous RMS power output
Continuous RMS power output
100 W (6 ohms, 20 - 250 Hz, 0.8% THD)
Reproduction frequency range
28 Hz - 200 Hz
High frequency cut-off frequency
150 Hz
Inputs
INPUT (input pin jack)
General
Power requirements
230 V AC, 50/60 Hz
Power consumptions
100 W
Dimensions (w/h/d)
Approx. 270
×
325
×
398 mm, including
front grille
Mass
Approx. 10 kg
Design and specifications are subject to change without notice.
SPECIFICATIONS
Sony Corporation
Home Audio Company
Published by Sony Engineering Corporation
9-877-360-01
2003E04-1
© 2003. 05
ACTIVE SUBWOOFER
photo: SA-WMS145
SA-WMS145/WMSP50
2
SA-WMS145/WMSP50
TABLE OF CONTENTS
1. DIAGRAMS
1-1. Circuit Boards Location ...................................................... 3
1-2. Printed Wiring Boards ......................................................... 5
1-3. Schematic Diagram ............................................................. 6
1-2. Printed Wiring Boards ......................................................... 5
1-3. Schematic Diagram ............................................................. 6
2. EXPLODED VIEWS
2-1. Front Section ....................................................................... 7
2-2. Rear Section ........................................................................ 8
2-2. Rear Section ........................................................................ 8
3. ELECTRICAL PARTS LIST
........................................... 9
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.
3
SA-WMS145/WMSP50
1-1. CIRCUIT BOARDS LOCATION
SECTION 1
DIAGRAMS
CONTROL board
LED board
INPUT board
MAIN board
POWER TRANS board
SWITCH board
4
SA-WMS145/WMSP50
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
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.
•
C
: panel designation.
•
A
: B+ Line.
•
B
: B– Line.
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
• 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 on Printed Wiring Boards:
• X
: parts extracted from the component side.
•
: Pattern from the side which enables seeing.
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
Ref. No.
Location
D205
E-10
D206
E-11
D301
G-7
D302
G-8
D304
E-9
D401
D-6
D402
D-7
D403
D-7
D501
D-8
D502
G-7
D602
D-10
D901
A-10
IC202
E-11
IC203
E-12
IC301
G-9
Q501
D-9
Q502
D-9
Q503
D-10
Q504
D-10
Q505
G-7
• Semiconductor
Location
