DOWNLOAD Sony SA-VS110 / SA-VS310 Service Manual ↓ Size: 620.79 KB | Pages: 19 in PDF or view online for FREE

2010G08-1

© 

2010.07

Photo: SA-WVS110/WVS310

Photo: SS-CNV310

Photo: SS-FVS310
(Floor Stand)

Photo: SS-FVS310
(Dekstop Stand)

SA-VS110

SA-VS310

Subwoofer

SA-WVS110

SA-WVS310

Package Speaker

SS-FCR310

Center speaker

SS-CNV310

Surround speaker

SS-FVS310 (Dekstop Stand)

Front speaker

SS-FVS310

(Dekstop Stand)

SS-FVS310

(Floor Stand)

• AUDIO POWER SPECIFICATIONS
(For the U.S. model)
POWER OUTPUT AND TOTAL HARMONIC 
DISTORTION:
With 6 ohm loads, at 100 Hz; rated 100 watts, minimum 
RMS power, with no more than 10% total harmonic 
distortion from 250 milliwatts to rated output.

SS-FVS310 (Front and Surround speakers)
Speaker system  

2-way, 3-driver, Bass refl ex

Speaker unit
Woofer:  

40 mm X 70 mm (1 5/8 in. X 2 
3/4 in.), cone type X 2

Tweeter:  

20 mm (3/4 in.), cone type

Rated impedance  

8 ohms

Power handling capacity (Max.)
  

100 

W

Characteristic sensitivity level
   

80 dB (1 W, 1 m)

Frequency range  

130 Hz - 70,000 Hz

Dimensions (w/h/d) (Approx.)
Without speaker stand:   50 mm X 390 mm X 50 mm (2 

in. X 15 3/8 in. X 2 in.)

With speaker stand:
  Desktop stand  

135 mm X 410 mm X 135 mm 
(5 3/8 in. X 16 1/4 in. X

   

5 3/8 in.), including front grille 
and foot pads

  Floor stand (SA-VS310 only)
   

200 mm X 1,175 mm X 230 
mm (7 7/8 in. X 46 3/8 in. X 9 
1/8 in.), including front grille 
and foot pads

Mass (Approx.)
Without speaker stand:   0.56 kg (1 lb 4 oz)

With speaker stand:
  Desktop stand  

0.88 kg (1 lb 15 oz)

  Floor stand (SA-VS310 only)
   

3.0 kg (6 lb 10 oz)

SS-CNV310 (Center speaker)
Speaker system  

2-way, 3-driver, Bass refl ex

Speaker unit
Woofer:  

40 mm X 70 mm (1 5/8 in. X 2 
3/4 in.), cone type X 2

Tweeter:  

20 mm (3/4 in.), cone type

Rated impedance  

8 ohms

Power handling capacity (Max.)
  

100 

W

Characteristic sensitivity level
   

80 dB (1 W, 1 m)

Frequency range  

130 Hz - 70,000 Hz

Dimensions (w/h/d) (Approx.)
   

320 mm X 60 mm X 50 mm 
(12 5/8 in. X 2 3/8 in. X 2 in.),

   

including front grille and foot 
pads

Mass (Approx.) 

0.5 kg (1 lb 2 oz)

SA-WVS310 (Subwoofer for SA-VS310)
SA-WVS110 (Subwoofer for SA-VS110)
Speaker system  

Active subwoofer, Bass refl ex

Speaker unit
Woofer:  

250 mm (10 in.), cone type

Reproduction frequency range
   

30 Hz - 200 Hz

Continuous RMS power output
   

100 W (6 ohms, 100 Hz, 10% 
THD)

Input
LINE IN (input pin jack)

General
Power requirements  

120 V AC, 60 Hz

Power consumption  

70 W

Dimensions (w/h/d) (Approx.)
   

290 mm X 355 mm X 400 mm 
(11 1/2 in. X 14 in. X 15 3/4 
in.), including front grille and 
foot pads

Mass (Approx.)  

11.5 kg (25 lb 6 oz)

Supplied speakers
Front speaker (2)
Center speaker (1)
Surround speaker (2)
Subwoofer (1)

Supplied accessories
Speaker stand
- SA-VS310
  - Floor stand (2)
  - Desktop stand (2)
- SA-VS110
  - Desktop stand (4)
Monaural audio cord (1)
Speaker cord (short X 3)
Speaker cord (long X 2)
Foot pad (4)
Screw (4)

Design and specifi cations are subject to 
change without notice.

• Standby power consumption: 0.3 W
• Halogenated fl ame retardants are not used  

 

  in the certain printed wiring boards.

1-1. Disassembly 

Flow 

...........................................................   3

1-2.  Rear Cover Block ............................................................   3
1-3.  Input Control PWB Board and Switch PWB Board .......   4
1-4.  Front Panel Block ...........................................................   4

2-1.  Printed Wiring Board - MAIN PWB Board - .................   6
2-2.  Schematic Diagram - MAIN PWB Board - ....................   7
2-3.  Printed Wiring Boards - INPUT CONTROL PWB, 

LED PWB, SWITCH PWB Board - ...............................   8

2-4.  Schematic Diagram - INPUT CONTROL PWB, 

LED PWB, SWITCH PWB Board - ...............................   9

3-1. SA-WVS310 

(Main)-1 

....................................................  11

3-2. SA-WVS310 

(Main)-2 

....................................................  12

3-3.  SS-FVS310 (Front and Surround) ..................................   13
3-4. SS-CNV310 

(Center) 

......................................................  14

  ..............................   15

NOTES  ON  CHIP  COMPONENT  REPLACEMENT
•  Never reuse a disconnected chip component.
•  Notice that the minus side of a tantalum capacitor may be dam-

aged by heat.

UNLEADED  SOLDER
Boards requiring use of unleaded solder are printed with the lead-
free 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)

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 fl ow) 
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.

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 

LES  COMPOSANTS  IDENTIFIÉS  PAR  UNE  MARQUE  0  SUR  
LES  DIAGRAMMES  SCHÉMATIQUES  ET  LA  LISTE  DES  
PIÈCES  SONT  CRITIQUES  POUR  LA  SÉCURITÉ  DE  FONC-
TIONNEMENT.  NE  REMPLACER  CES  COMPOSANTS  QUE  
PAR  DES  PIÈCES  SONY  DONT  LES  NUMÉROS  SONT  DON-
NÉS  DANS  CE  MANUEL  OU  DANS  LES  SUPPLÉMENTS  
PUBLIÉS  PAR  SONY.

• JIG
  When disassembling the set, use the following jig (for speaker 

removal).

  Part No. J-2501-238-A  JIG FOR SPEAKER REMOVAL

SAFETY  CHECK-OUT
After correcting the original service problem, perform the follow-
ing safety check before releasing the set to the customer:
Check the antenna terminals, metal trim, “metallized” knobs, 
screws, and all other exposed metal parts for AC leakage.
Check leakage as described below.

LEAKAGE  TEST
The AC leakage from any exposed metal part to earth ground and 
from all exposed metal parts to any exposed metal part having a 
return to chassis, must not exceed 0.5 mA (500 microamperes.). 
Leakage current can be measured by any one of three methods.
1.  A commercial leakage tester, such as the Simpson 229 or RCA 

WT-540A. Follow the manufacturers’ instructions to use these 
instruments.

2.  A battery-operated AC milliammeter. The Data Precision 245 

digital multimeter is suitable for this job.

3.  Measuring the voltage drop across a resistor by means of a 

VOM or battery-operated AC voltmeter. The “limit” indication 
is 0.75 V, so analog meters must have an accurate low-voltage 
scale. The Simpson 250 and Sanwa SH-63Trd are examples 
of a passive VOM that is suitable. Nearly all battery operated 
digital multimeters that have a 2 V AC range are suitable. (See 
Fig. A)

•  This set can be disassembled in the order shown below.
•  SA-WVS310 only is described in this section.

Note: Follow the disassembly procedure in the numerical order given.

1 eight screws

u 20), Tapping

3  rear cover block

2 one screw

u 10)

5 two accessory nuts

4 two knobs

2 two screws

u 8)

qs two screws

u 10)

q; INPUT CONTROL PWB board

6 two accessory washers

3 one screw

u 10)

1 three screws

u 20), Tapping

qd SWITCH PWB board

8 CNP402 (3P)

7 CNP906 (2P)

9 CNP905 (2P)

qa CNP904 (2P)

1 Insert a flat-head screwdriver into a recess 

2 Insert the jig (J-2501-238-A) into a space 

2 Insert the jig (J-2501-238-A) into a space 

3 Raise the front panel block a little by little 

4

6 front panel block

5 CNP401 (4P)