Boston MCS 95 Service Manual

MCS 95

5.1 Surround Speaker System

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MCS 95
Sistema Multicanal Boston

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MCS 95
Haut-parleur multivoix Boston

Specifications Satellites Center Channel Subwoofer

Frequency Response: 120Hz – 20kHz 120Hz – 20kHz 50 - 150Hz

Recommended Amplier
Power Range: 10 – 100 watts 10 – 100 watts —

Sensitivity: 88dB [2.8v at 1m] 88dB [2.8v at 1m] —

Nominal Impedance: 8 ohms 8 ohms —

Crossover Frequency: 3,000Hz 3,000Hz

Amplier Output: — — 100 watts RMS, (250 watts Peak);

BassTrac® circuitry eliminates distortion

Woofer: 3” with Phase Plugs 3” with Phase Plugs 8” (203mm)
& MagnaGuard® & MagnaGuard

Tweeter:

Dimensions (H x W x D) 73⁄8 x 43⁄8 x 411⁄16” 511⁄16 x 125⁄8 x 33⁄4” 121⁄4 x 11 3⁄16 x 15 9⁄16”

(189 x 113 x 93mm) (145 x 321 x 95mm) (310 x 284 x 395mm)

Weight 2.5 lbs 4.6 lbs 20 lbs
(1.14kg) (2.1kg) (9kg)

1

⁄2” (13mm)

1

⁄2” (13mm) —

60Hz - 180Hz 24dB/octave lowpass

MCS 95 Introduction

Thank you for purchasing a Boston Acoustics Multi-Channel Speaker System. These speakers incorporate high-quality
that produce the famous Boston sound. The system is ideally suited for use as a 5.1 channel solution in a high-quality home
theater or music system. The system is complete with everything you need for the typical speaker system including speaker
wire, satellite speakers, a center channel speaker, and a subwoofer. Please check out Bostonacoustics.com/placement for
information on placing your speakers.

components

The MCS 95 speaker system delivers exceptionally articulate on-screen dialog, music, effects, and room filling bass from a
small, sleek package. Compact driver placement and quality, system specific crossovers assure a wide uniform dispersion
for complete coverage of a listening room. All speakers also feature MagnaGuard® magnetic shielding which ensures the
speaker’s magnetic field does not interfere with the television’s picture.

Unpacking the System

Carefully unpack the system. If there is any sign of damage from transit, report it immediately to your dealer and/or delivery
service. Keep the shipping carton and packing materials for future use. Open the package and verify the following contents:

(4) Satellite speakers
(1) Center Channel speaker
(1) Subwoofer
(2) 40’ (12m) speaker wires
(3) 20’ (6m) speaker wires
(1) 15’ (4.6m) subwoofer cable
(8) Rubber bumpers (used for wall mounting)

(4) Satellite speakers

with 1 removable foot

Subwoofer

(1) Center Channel speaker

with 2 removable feet

BA Part Number Part Description

110-002477 WOOFER 8 IN SNDWRESUB
110-002548 F/A MCS95 SAT BLK
110-002549 F/A MCS95 CTR BLK
120-002942 SPKR WIRE MCS 20FT SET OF 3
120-003063 SPKR WIRE MCS 40FT SET OF 2
120-003417 AMP ASSY MCS95 120V
131-000791 SUBWOOFER AUDIO CABLE 15FT
132-000162 FUSE 1.6A 250V 20MM VDE
137-001386 RUBBER BUMPER MCS SET OF 4
137-001634 PWR CORD 120V
141-002810 RSC-1-SYS MCS95
141-002813 STYROFOAM TOP
141-002814 STYROFOAM MIDDLE
141-002815 STYROFOAM BOTTOM
142-003845 OWNER'S MANUAL SYS MCS95
142-003850 QUICKSTART GUIDE MCS95

MCS95 Service Parts List

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1

1

2

2

3

3

4

4

DD

CC

BB

AA

Title

NumberRevisionSize

A4

Date:2010/1/19Sheet of
File:D:\My File\..\Main.SchDocDrawn By:

Pre Amplifier\Main

BN20080011.2

13

Mike

JK01

RJ1081

C01

220p

R01
47K

R04

18K2

R05

37K4

U01B

2060M

C05

MSC333J

C04

MSC333J

C02

MSC474J

C03

MSC474J

R02

3K65

R03

16K5

U01A

2060M

R06
22K

R07A
50KB

R07B
50KB R08

22K

C07

MSC153J

C06

MSC104J

U01D

2060M IN Out

U_DIPFILTR
DIPFILTR.SchDoc

R15
0R0

R16

10KA

IN

LSIN

GND

-V

PVCD

Out

+V

NVCD

MD01
Limiter

R17
39K

C11

10u/16V

C12

10u/16V

+14V -14V

U01C

2060M

R18
10K

R19
10K

C13

CD103

C15

22u/16V

R21
22K

R20
10K

PVCD
NVCD

Out

+14V

C16

CD104

C18

CD104

C17

100u/16V

C19

100u/16V

-14V

R22
47R

R23
47R

C20

CD104

C21

CD104

+15V

-15V

P01

Out

-15V

+15V

STBY
PVCD

NVCD

R24
47K

In Out

U_Auto_ON-OFF
Auto_ON-OFF.SchDoc

STBY

R39

1K5/1206

G

R

D04

Frequency = 185Hz
Q = 0.47

Frequency = 55 ~ 185Hz
Q = 1.26

C14

CD103

SW01

C29

10u/16V

R40
20K

V1.1 Changes :

(1) Add C29(10uF/16V).
(2) Add R40(20Kohm/0805)

V1.2 Changes :

(1) Change C26 to 100u/16V(220uF/16V).
(2) Change R36 to 1Mohm(2M2onm)

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