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SS-MS155
User Manual
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Sony SS-MS155, SA-WMS155, SA-VE155 User Manual

SA-VE155/WMS155/
SS-MS155
SERVICE MANUAL
Ver 1.0 2004. 05
SA-WMS155 SS-MS155
• SA-VE155 consists of the following models respectively.
SUBWOOFER SA-WMS155
FRONT, CENTER AND SURROUND SPEAKER
SS-MS155
AEP Model
UK Model
E Model
SS-MS155 (front, center and surround speakers)
Speaker system Full range, magnetically
including front grille Mass Approx. 650 g each
SPECIFICATIONS
SA-WMS155 (subwoofer)
Speaker system Active subwoofer,
magnetically shielded Speaker unit Woofer: 16 cm, cone type Enclosure type Bass refl ex Reproduction frequency range
32 Hz - 200 Hz Continuous RMS power output
55 W (4 ohms, 100 Hz,
10 % THD)
Input
LINE IN (input pin jack)
General
Power requirements 220 - 240 V AC, 50/60 Hz Power consumptions 45 W Dimensions (w/h/d) E model:
Approx. 210 × 355 × 335
mm
AEP, UK model:
Approx. 210 × 355 × 330
mm Mass Approx. 8 kg
Supplied accessories
Foot pads (20) Audio connecting cord (1) Speaker connecting cords, 10 m (2) Speaker connecting cords, 3.5 m (3)
Design and specifi cations are subject to change without notice.
9-877-869-01
2004E04-1
© 2004. 05
MICRO SATELLITE SPEAKER SYSTEM
Sony Corporation
Home Audio Company
Published by Sony Engineering Corporation
1
SA-VE155/WMS155/SS-MS155
UNLEADED SOLDER
•
Boards requiring use of unleaded solder are printed with the lead­free mark (LF) indicating the solder contains no lead. (Caution: Some printed circuit boards may not come printed with the lead free mark due to their particular size.)
: LEAD FREE MARK
Unleaded solder has the following characteristics.
• Unleaded solder melts at a temperature about 40°C higher than
ordinary solder. Ordinary soldering irons can be used but the iron tip has to be applied to the solder joint for a slightly longer time. Soldering irons using a temperature regulator should be set to about 350°C. Caution: The printed pattern (copper foil) may peel away if the heated tip is applied for too long, so be careful!
• Strong viscosity Unleaded solder is more viscous (sticky, less prone to flow) than ordinary solder so use caution not to let solder bridges occur such as on IC pins, etc.
• Usable with ordinary solder It is best to use only unleaded solder but unleaded solder may also be added to ordinary solder.

TABLE OF CONTENTS

1. GENERAL
Location of Controls ................................................................ 3
2. DIAGRAMS
2-1. Note for Printed Wiring Boards and
Schematic Diagrams ............................................................ 3
2-2. Circuit Boards Location ...................................................... 3
2-3. Printed Wiring Boards (SA-WMS155) ............................... 4
2-4. Schematic Diagram (SA-WMS155) ................................... 5
2-5. IC Block Diagram ............................................................... 6
3. EXPLODED VIEWS .......................................................... 7
4. ELECTRICAL PARTS LIST ........................................... 8
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 PA RT NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
2
LOCATION OF CONTROL
d
SECTION 1

GENERAL

This section is extracted from instruction manual.
SA-VE155/WMS155/SS-MS155
SECTION 2

DIAGRAMS

2-1. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
WOOFER OUT
Ee
CENTER
Center Centre
A
Front (Right) Avant (droite)
Ampli er Ampli cateur
Subwoofer Caisson de grave
LINE IN
Ee
3.5m 3,5m
10m
Surround (Right) Effet surround
Ee
(droite)
E
Foot pads Tampons autocollants
English
WARNING
To prevent fi re or shock hazard, do not expose the unit to rain or moisture.
To prevent fi re, do not cover the ventilation of the apparatus with news papers, table-cloths, curtains, etc. And don’t place lighted candles on the apparatus. To prevent fi re or shock hazard, do not place objects fi lled with liquids, such as vases, on the apparatus. To avoid electrical shock, do not open the cabinet. Refer servicing to qualifi ed personnel only.
Do not install the appliance in a confi ned space, such as a bookcase or built-in cabinet.
About this manual
The SA-VE155 is a 5.1 channel speaker system consisting of two front speakers, one center speaker, two surround speakers, and one subwoofer. It supports Sony Digital Cinema Sound, Dolby* Pro Logic, and Dolby Digital etc., and is thus geared towards the enjoyment of movies.
* “Dolby” and the double-D symbol are trademarks of Dolby
Laboratories.
Precautions
On safety
• Before operating the system, be sure that the operating voltage of the system is identical with that of your local power supply.
• The unit is not disconnected from the AC power source (mains) as long as it is connected to the wall outlet, even if the unit itself has been turned off.
• Unplug the system from the wall outlet if it is not to be used for an extended period of time. To disconnect the cord, pull the cord by grasping the plug. Never pull the cord itself.
• Should any liquid or solid object fall into the system, unplug the system’s power cord and have the system checked by qualifi ed personnel before operating it any further.
• AC power cord must be changed only at the qualifi ed service shop.
On operation
• Do not drive the speaker system with a continuous wattage exceeding the maximum input power of the system.
• If the polarity of the speaker connections are not correct, the bass tones will be weak and the position of the various instruments obscure.
• Contact between bare speaker wires at the speaker terminals may result in a short circuit.
• Before connecting, turn off the amplifi er to avoid damaging the speaker system.
• The speaker grille cannot be removed. Do not attempt to remove the grille on the speaker system. If you try to remove it, you may damage the speaker.
• The volume level should not be turned up to the point of distortion.
If you encounter color irregularity on a nearby TV screen
This speaker system is magnetically shielded to allow it to be installed near a TV set. However, color irregularities may still be observed on certain types of TV sets.
If color irregularity is observed...
c Turn off the TV set, then turn it on again after 15 to 30
minutes.
If color irregularity is observed again...
c Place the speakers further away from the TV set.
If howling occurs
Reposition the speakers or turn down the volume on the amplifi er.
On placement
• Do not set the speakers in an inclined position.
• Do not place the speakers in locations that are: — Extremely hot or cold — Dusty or dirty —Very humid — Subject to vibrations — Subject to direct sunlight
• Use caution when placing the speaker on a specially treated (waxed, oiled, polished, etc.) fl oor, as staining or discoloration may result.
On cleaning
Clean the speaker cabinets with a soft cloth lightly moistened with a mild detergent solution or water. Do not use any type of abrasive pad, scouring powder or solvent such as alcohol or benzine.
If you have any questions or problems concerning your speaker system, please consult your nearest Sony dealer.
Front (Left)
Ee
Avant (gauche)
Ee
3.5m
3.5m 3,5m
3,5m
FRONT
RRL
eEEe
L
SURROUND
Surround (Left) Effet surround (gauche)
10m
Ee
WS-WV10D
WS-FV11
(for front, center and surround speakers) (pour les enceintes avant, centrale et ‡ effet surround)
Hooking up the system
Connect the speaker system to the speaker output terminals of an amplifi er (A). Make sure power to all components (included the subwoofer) is turned off before starting the hook-up.
Notes (B)
• Make sure the plus (+) and the minus (–) terminals on the speakers are matched to the corresponding plus (+) and minus (–) terminals on the amplifi er.
• Be sure to tighten the screws of the speaker terminals securely as loose screws may become a source of noise.
• Make sure all connections are fi rm. Contact between bare speaker wires at the speaker terminals may cause a short circuit.
• For details regarding the connections on the amplifi er side, refer to the manual that was provided with your amplifi er.
Tip
Black or black striped wires are minus (–) in polarity, and should be connected to the minus (–) speaker terminals.
Positioning the speakers
Location of each speaker (C)
Each speaker should face the listening position. Better surround effect will result if all speakers are set at the same distance from the listening position. Place the front speakers at a suitable distance to the left and right of the television. Place the subwoofer on either side of the television. Place the center speaker on the top-center of the TV set. The placement of surround speakers greatly depends on the confi guration of the room. The surround speakers may be placed on both sides of the listening position A or behind the listening position B.
Setting the speakers
To prevent speaker vibration or movement while listening, attach the supplied foot pads to the bottom four corners of the front speakers, center speaker and surround speakers (D).
Setting the center speaker (E)
Set the center speaker fi rmly on top of the TV set, making sure it is completely level.
Setting the speakers using the optional speaker stands (F)
For greater fl ex ibility in the positioning of the speakers, use the optional WS-FV11 or WS-WV10D speaker stand (available only in certain countries).
To hang the front, center and surround speakers with a hook (not supplied) on the wall (G)
You are responsible for the proper selection and use of mounting hardware that you purchase at hardware stores, and for the proper and safe mounting of the speakers.
Tip
The height of the front speakers should be adjusted to about the center of the TV screen (H).
Setting the amplifi er
When connecting to an amplifi er with internal multi channel decoders (Dolby Digital, DTS**, etc.), you should use the setup menus for the amplifi er to specify the parameters of your speaker system. See the table below for the proper settings. For details on the setting procedure, refer to the manual that was provided with your amplifi er.
Speaker setup
For Set to
Front speakers SMALL
Center speaker SMALL
Surround speakers SMALL
Subwoofer ON (or YES)
If you use the amplifi er with adjustable crossover frequency, it is recommended to select 150 Hz (or close to this fi gure) as the crossover frequency for your front, center and surround speakers.
** “DTS” and “DTS Digital Surround” are registered
trademarks of Digital Theater Sys tems, Inc.
B
e
e
E
e
E
E
E
G
Listening to the sound (I)
First, turn down the volume on the amplifi er. The volume should be set to minimum before you begin playing the program source.
1
Turn on the amplifi er and select the program
source.
2
Press POWER on the subwoofer.
The POWER indicator on the subwoofer
lights up green.
3
Play the program source.
Note (Singaporean model only)
Protection circuit is contained in the satellite speakers. If the speakers are overdriven for certain minutes, the protection circuit will automatically reduce the sound volume. In the case, stop the program source for 2-3 minutes. Before playing the source again, turn down the volume level of the amplifi er.
Adjusting the subwoofer (I)
Rotate LEVEL to adjust the volume.
Set the volume level to best suit your pref er ence according to the program source.
Notes
• Some amplifi er functions for enhancing the sound may cause distortion in the subwoofer. If such distortion occurs, turn off those functions.
• To enjoy high-quality sound, do not turn the subwoofer volume too high.
Troubleshooting
Should you encounter a problem with your speaker system, check the following list and take the indicated measures. If the problem persists, consult your nearest Sony dealer.
There is no sound from the speaker system.
• Make sure all the connections have been correctly made.
• Make sure the volume on the amplifi er has been turned up properly.
• Make sure the program source selector on the amplifi er is set to the proper source.
• Check if headphones are connected. If they are, disconnect them.
There is distortion in the subwoofer sound output.
• Check if any sound-enhancing functions have been activated on the amplifi er. If they have, turn them off.
There is hum or noise in the speaker output.
• Make sure all the connections have been correctly made.
• Make sure none of the audio components are positioned too close to the TV set.
The sound has suddenly stopped.
• Make sure all the connections have been correctly made. Contact between bare speaker wires at the speaker terminals may cause a short circuit.
C
Front (Left)
e
Hook Crochet
Avant (gauche)
Surround (Left) Effet surround (gauche)
HF
Center Centre
Subwoofer Caisson de grave
Front (Right)
Surround (Right)
BB
Effet surround (droite)
Avant (droite)
AA
I
D
POWER indicator Voyant POWER
Foot pads Tampons autocollants
LINE IN
LEVEL
POWER
BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.)
For schematic diagrams.
Note:
• All capacitors are in µF unless otherwise noted. (p: pF) 50 WV or less are not indicated except for electrolytics and tantalums.
• All resistors are in Ω and 1/ specified.
f
•
: internal component.
• C : panel designation.
Note: The components identified by mark 0 or dotted line
with mark 0 are critical for safety. Replace only with part number specified.
• A : B+ Line.
• B : B– Line.
•Voltages are dc with respect to ground under no-signal (detuned) conditions.
no mark : Power on
•Voltages are taken with a VOM (Input impedance 10 MΩ). Voltage variations may be noted due to normal produc­tion tolerances.
• Signal path. F : AUDIO
4
W or less unless otherwise
For printed wiring boards.
Note:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
• : Pattern from the side which enables seeing.
2-2. CIRCUIT BOARDS LOCATION
POWER SWITCH board
CONTROL board
LED board
POWER board
TRANSFOMER boar
THIS NOTE IS COMMON FOR PRINTED WIRING
SA-VE155/WMS155/SS-MS155
33
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