Bose Lifestyle SA-2 Manual de usuario

CONTENTS

PROPRIETARY INFORMATION

THIS DOCUMENT CONTAINS PROPRIETARY INFORMATION OF

BOSE CORPORATION WHICH IS BEING FURNISHED ONLY FOR

THE PURPOSE OF SERVICING THE IDENTIFIED BOSE PRODUCT

BY AN AUTHORIZED BOSE SERVICE CENTER OR OWNER OF THE

BOSE PRODUCT, AND SHALL NOT BE REPRODUCED OR USED

FOR ANY OTHER PURPOSE.

CAUTION: The Bose®Lifestyle®SA-2 & SA-3 amplifiers contain

no user-serviceable parts. To prevent warranty infractions,

refer servicing to warranty service stations or factory service.

SAFETYINFORMATION ....................................................................................................................2

ELECTROSTATIC DISCHARGE SENSITIVE (ESDS) DEVICE HANDLING ......................................2

WARRANTY........................................................................................................................................2

ELECTRICAL SPECIFICATIONS......................................................................................................3

MECHANICAL SPECIFICATIONS.....................................................................................................4

PRODUCT DESCRIPTION...............................................................................................................4

PART LIST NOTES ...........................................................................................................................4

PACKAGING PART LIST ..................................................................................................................5

Figure 1. Lifestyle® SA-2 Packaging View .........................................................................................5

PACKAGING PART LIST ..................................................................................................................6

Figure 2. Lifestyle®SA-3 Packaging View .........................................................................................6

MAIN PART LIST SA-2..........................................................................................................................7

Figure 3. Lifestyle®SA-2 Exploded View..............................................................................................7

ELECTRICAL PART LIST SA-2.......................................................................................................8-13

MAIN PART LIST SA-3........................................................................................................................14

Figure 4. Lifestyle® SA-3 Exploded View ..........................................................................................14

ELECTRICAL PART LIST SA-3.....................................................................................................15-24

SA-2 DISASSEMBLY PROCEDURES...........................................................................................25-26

SA-3 DISASSEMBLY PROCEDURES...........................................................................................27-29

TEST SET-UP ................................................................................................................................... 30

TEST PROCEDURES .......................................................................................................................31

Revision History................................................................................................................................... 32

SAFETY INFORMATION

1. Parts that have special safety characteristics are identified by the symbol on schematics

or by special notes on the parts list. Use only replacement parts that have critical characteristics

recommended by the manufacturer.

2. Make leakage current or resistance measurements to determine that exposed parts are

acceptably insulated from the supply circuit before returning the unit to the customer. Refer to

UL6500 clause 9.1.1. Use the following checks to perform these measurements:

A. Leakage Current Hot Check-With the unit completely reassembled, plug the AC line cord

directly into a 120V AC outlet. (Do not use an isolation transformer during this test.) Use a leak-

age current tester or a metering system that complies with American National Standards Institute

(ANSI) C101.1 "Leakage Current for Appliances" and Underwriters Laboratories (UL) 6500. With

the unit AC switch first in the ON position and then in OFF position, measure from a known earth

ground (metal waterpipe, conduit, etc.) to all exposed metal parts of the unit (antennas, handle

bracket, metal cabinet, screwheads, metallic overlays, control shafts, etc.), especially any

exposed metal parts that offer an electrical return path to the chassis. Any current measured

must not exceed 0.5 milliamp. Reverse the unit power cord plug in the outlet and repeat test.

ANY MEASUREMENTS NOT WITHIN THE LIMITS SPECIFIED HEREIN INDICATE A POTEN-

TIAL SHOCK HAZARD THAT MUST BE ELIMINATED BEFORE RETURNING THE UNIT TO THE

CUSTOMER.

B. Insulation Resistance Test Cold Check-(1) Unplug the power supply and connect a jumper

wire between the two prongs of the plug. (2) Turn on the power switch of the unit. (3) Measure

the resistance with an ohmmeter between the jumpered AC plug and each exposed metallic

cabinet part on the unit. When the exposed metallic part has a return path to the chassis, the

reading should be between 1 and 5.2 Megohms. When there is no return path to the chassis, the

reading must be "infinite". If it is not within the limits specified, there is the possibility of a shock

hazard, and the unit must be repaired and rechecked before it is returned to the customer.

ELECTROSTATIC DISCHARGE SENSITIVE (ESDS)

DEVICE HANDLING

This unit contains ESDS devices. We recommend the following precautions when repairing,

replacing or transporting ESDS devices:

•Perform work at an electrically grounded work station.

•Wear wrist straps that connect to the station or heel straps that connect to conductive

floor mats.

•Avoid touching the leads or contacts of ESDS devices or PC boards even if properly

grounded. Handle boards by the edges only.

•Transport or store ESDS devices in ESD protective bags, bins, or totes. Do not insert

unprotected devices into materials such as plastic, polystyrene foam, clear plastic bags,

bubble wrap or plastic trays.

The Bose®Lifestyle®SA-2 and SA-3 amplifiers are covered by a limited one year transferable warranty.

WARRANTY

Voltage Variations: US: 120 Vrms

International: 220-240 Vrms

Maximum Power: SA-2: 40 Watts into 6 Ohms @ <0.1% THD

20 Hz to 10kHz

SA-3: 100 Watts into 6 Ohms @ < 0.2%THD

20 Hz to 10 kHz

Frequency Response: 20 Hz - 20 kHz,+/- 0.5 dB (at full volume)

Dynamic Equalization:

Voltage Gain (at 1 kHz): SA-2: 34.2 dB +/- 0.5 dB

SA-3: 38.2 dB +/- 0.5 dB

Input Impedance at (at 1 kHz): 10 k +/- 1 Ohms

Signal to Noise Ratio: 92 dB

Input Sensitivity: 0.3 Vrms at full volume produces rated

output power

Compressor: Range: 18 dB (minimum)

Attack Time: 1 dB/ 700uS

Release Time: 1 dB/10 mS

Distortion: <2%THD @100 Hz, 18 dB into compression

Turn-On Delay (to unmute): 1 second maximum at initial turn-on

0.2 second maximum from standby

Volume Control Range: 0 to -80 dB in 1 dB steps

Output DC offset: < 20 mVdc

Channel Balance: +/- 0.5 dB

Output Short-Curcuit Duration: Infinite (with no damage)

Standby Power Consumption: < 1 Watts (real power) at rated line voltage

ELECTRICAL SPECIFICATIONS

1E 1 1E 2 1E 3

FREQUENCY--HERTZ

-5

60 dB SPL

50 dB SPL

70 dB SPL

80 dB SPL

<40 dB SPL

90 dB SPL

MECHANICAL SPECIFICATIONS

Quiescent ON Power Consumption: SA-2: < 10 Watts

SA-3: < 15 Watts

Maximum Power Consumption: SA-2: < 220 Watts

SA-3: < 400 Watts

Size: SA-2: 3½”H x 14 1/8”W x 5½”D

(8.9cm x 35.9cm x 14cm)

SA-3: 4¼”H x 14 1/8”W x 5½”D

(11.4cm x 35.9cm x 14cm)

Weight; shipping: SA-2: 7.6 lbs. (3.4 kg)

SA-3: 11.1 lbs. (5 kg)

Enclosure Material: Housing: Die cast aluminum (A360)

Bottom: 20 Ga. steel plate

Finish: Textured black powdercoat

PART LIST NOTES

1. This part is not normally available from Customer Service. Approval from the Field Service

Manager is required before ordering.

2. The individual parts located on the PCBs are listed in the Electrical Part List.

3. This part is critical for safety purposes. Failure to use a substitute replacement with the

same safety characteristics as the recommended replacement part might create shock, fire

and/or other hazards.

PRODUCT DESCRIPTION

The SA-2 Amplifier is a 2 x 40W stereo audio amplifier intended to power Bose®161™, 191, 201®,

or AM-3 indoor “zone 2” loudspeakers. It is the next generation version of SA-1, updated to work

with the next generation media centers. It recognizes and responds to smart speaker II protocol

commands. The SA-3 Amplifier is a 2 x 100W stereo audio amplifier intended to power Bose high

SPL passive loudspeakers which can be used in second zone applications, specifically, 251®or

FS-51 (outdoor), AM-5®or 301®(indoor). SA-3 is the higher power version of SA-2, with two addi-

tional features: local audio source input and mono/stereo switch. The SA-3 recognizes and re-

sponds to smart speaker I (CD-5, CD-20, MRI) or II (AV18 and AV48) protocol commands.

Controls: Power switch (International version only)

Voltage select switch (Dual Voltage version

only)

PACKAGING PART LIST

Figure 1. Lifestyle®SA-2 Packaging View

Item

Number Description Part NumberNote

1 8 TO 9 PIN DIN ADAPTER 349714-0010

2 BAG, POLY, 14 3/8X9 7/8X2 MIL 103351

3 GLOBAL WARRANTY CARD, 1 YR. 324486-0010

4 SHEET, SAFETY 275072

5 OWNERS MANUAL English, Spanish,

French

275071

5 OWNERS MANUAL Danish, German,

Italian, Netherlands, Swedish,

279060

6 PACKING, INSERT 275424

7 CABLE, DIN-9, 20FT 272902-0220

8 LINE CORD, DETACH, BLK

US/DUAL VOLTAGE

220-240V, EURO

240V, UK

240V, AUS

198603-1310

280135-1310

280138-1310

284243-1310

9 PACKING, END CAP, EPS 275423

10 CARTON, RSC 293320

-- BAG,POLY,HDPE,18X26,1MIL 255354-001

Item

Number Description Part Number Note

1 8 TO 9 PIN DIN ADAPTER 349714-0010

2 BAG, POLY, 14 3/8X9 7/8X2 MIL 103351

3 GLOBAL WARRANTY CARD, 1 YR. 324486-0010

4 SHEET, SAFETY 275072

5 OWNERS MANUAL English, Spanish, and

French

275071

5 OWNERS MANUAL Danish, German,

Italian, Netherlands, Swedish,

279060

6 PACKING, INSERT 275424

7 CABLE, DIN-9, 20FT 272902-0220

8 LINE CORD, DETACH, BLK

US/DUAL VOLTAGE

220-240V, EURO

240V, UK

240V, AUS

198603-1310

280135-1310

280138-1310

284243-1310

9 PACKING, END CAP, EPS 275423

10 CARTON, RSC 276289

-- BAG, POLY, 12X20X4 MIL 197405

PACKAGING PART LIST

Figure 2. Lifestyle®SA- 3 Packaging View

234

Item

Number Description Part Number Qty. Note

1 CONNECTOR, PLUG-IN, 4 PIN 272953-04 1

2 CONNECTOR, PLUG-IN, 2 PIN 272953-02 1

3 SCREW, HILO, 4-16x.375, PAN, XREC 288372-006 1

4 HOUSING, AMPLIFIER 271724-02 1 1

5 FOOT, RUBBER, PRESS FIT 197418 4

FOOT, CAP – TOP INSERT 271898 4

6 TAPE, PAD, INSULATING 328907-0020 1

7 PCB ASSY SA-2, US/CANADA, 120V 323980-021S 1 2

PCB ASSY, EURO, UK, AUS, 220/240V 323981-022S

8 PAD, THERMAL, AMP 320002-002 2

9 HEATSINK BAR 319884-001 1

10 TRANSFORMER, 120V 271727 1 3

TRANSFORMER, 230V 271790

11 PANEL, BOTTOM 271725-001 1

12 SCREW, TT, 8-32X0.5, PAN, XREC/SQ 289393-008 13

MAIN PART LIST

Figure 3. Lifestyle®SA-2 Exploded View

ELECTRICAL PART LIST

Resistors

Reference

Designator Description Part Number NOTE

RT2 THERMISTOR, 10K, 5%, 0805 197229

RT3 THERMISTOR, 10K, 5%, 0805 197229

R1 100 OHM, 0603, .1W, 1% 191465-1000

R2 2.00 OHMS, 2512, 1W, 5% 181895-2R00

R3 22.1K, 0603, .1W, 1% 191465-2212

R4 4.99K, 0603, .1W, 1% 191465-4991

R5 4.02K, 0603, .1W, 1%, 191465-4021

R8 JUMPER, CHIP, 0805 133627

R9 JUMPER, CHIP, 0805 133627

R10 220 OHM, 2512, 1W, 5% 181895-2200

R11 10K, 0603, .1W, 1% 191465-1002

R12 150 OHMS, 0603, .1W, 1% 191465-1500

R13 432OHM, 0603, 100MW, 1% 191465-4320

R14 2K, 0603, .1W, 1% 191465-2001

R17 2.00K, 0805, .125W, 1% 133625-2001

R18 1206, 1/4W, 5%, 1.00K 124895-1025

R19 2.00 OHMS, 2512, 1W, 5% 181895-2R00

R20 1K, 0603, .1W, 1% 191465-1001

R22 1K, 0603, .1W, 1% 191465-1001

R23 1K, 0603, .1W, 1% 191465-1001

R24 1K, 0603, .1W, 1% 191465-1001

R25 1K, 0603, .1W, 1% 191465-1001

R26 2K, 0603, .1W, 1%, 191465-2001

R27 100K, 0603, .1W, 1% 191465-1003

R28 22.1K, 0603, .1W, 1% 191465-2212

R29 22.1K, 0603, .1W, 1% 191465-2212

R30 100 K, ARRAY, SMT, 4 POS, 5% 186433-1044

R31 100 K, ARRAY, SMT, 4 POS, 5% 186433-1044

R32 100 K, ARRAY, SMT, 4 POS, 5% 186433-1044

R33 200K, 0603, .1W, 1% 191465-2003

R35 13.3K, 0603, .1W, 1% 191465-1332

R36 499 OHM, 0603, .1W, 1% 191465-4990

R37 499 OHM, 0603, .1W, 1% 191465-4990

R38 4.99K, 0603, .1W, 1% 191465-4991

R39 4.99K, 0603, .1W, 1% 191465-4991

R40 4.99K, 0603, .1W, 1% 191465-4991

R41 22 OHM, 0805, 1/10W, 5% 133626-2205

R42 20K, 0603, .1W, 1% 191465-2002

R44 20K, 0603, .1W, 1% 191465-2002

R45 20K, 0603, .1W, 1% 191465-2002

R46 1 MEG, 0805, 1/10W, 5% 133626-1055

R47 100K, 0805, .125W, 1% 133625-1003

R48 100K, 0805, .125W, 1% 133625-1003

R49 330 OHM, 2512, 1W, 5% 181895-3300

R50 4.02K, 0603, .1W, 1%, 191465-4021



ELECTRICAL PART LIST

Resistors (continued)

Reference

Designator Description Part Number NOTE

R51 4.02K, 0603, .1W, 1%, 191465-4021

R52 4.02K, 0603, .1W, 1%, 191465-4021

R53 4.02K, 0603, .1W, 1%, 191465-4021

R54 4.02K, 0603, .1W, 1%, 191465-4021

R55 100 OHM, 0603, .1W, 1% 191465-1000

R56 100 OHM, 0603, .1W, 1% 191465-1000

R58 1.33K, 0603, 100MW, 1% 191465-1331

R59 1.07K, 0603, .1W, 1% 191465-1071

R60 332K, 1206, 1/4W, 1% 124894-3323

R61 332K, 1206, 1/4W, 1% 124894-3323

R62 332K, 1206, 1/4W, 1% 124894-3323

R101 10.0K, 0805, .125W, 1% 133625-1002

R102 10K, 0603, .1W, 1% 191465-1002

R103 20K, 0603, .1W, 1% 191465-2002

R104 7.5K, 0603, .1W, 1% 191465-7501

R105 49.9K, 0603, .1W, 1% 191465-4992

R106 2.49K, 0603, .1W, 1% 191465-2491

R107 274 OHM, 0603, .1W, 1% 191465-2740

R152 2K, 0603, .1W, 1% 191465-2001

R153 12.1K, 0603, .1W, 1% 191465-1212

R154 12.1K, 0603, .1W, 1% 191465-1212

R156 12.1K, 0603, .1W, 1% 191465-1212

R165 100K, 0603, .1W, 1% 191465-1003

R169 330 OHM, 0805, 1/10W, 5% 133626-3315

R171 3.9 OHM, 2512, 1W, 5% 181895-3R90

R172 1206, 1/4W, 5%, 1.00K 124895-1025

R180 2.00 OHMS, 2512, 1W, 5% 181895-2R00

R181 2.00 OHMS, 2512, 1W, 5% 181895-2R00

R201 1K, 0603, .1W, 1% 191465-1001

R202 1K, 0603, .1W, 1% 191465-1001

R203 1K, 0603, .1W, 1% 191465-1001

R204 1K, 0603, .1W, 1% 191465-1001

R205 1K, 0603, .1W, 1% 191465-1001

R206 1K, 0603, .1W, 1% 191465-1001

R207 1K, 0603, .1W, 1% 191465-1001

R252 274 OHM, 0603, .1W, 1% 191465-2740

R253 12.1K, 0603, .1W, 1% 191465-1212

R254 2K, 0603, .1W, 1% 191465-2001

R256 2K, 0603, .1W, 1% 191465-2001

R265 100K, 0603, .1W, 1% 191465-1003

R269 100K, 0603, .1W, 1% 191465-1003

R271 100K, 0603, .1W, 1% 191465-1003

R272 100K, 0603, .1W, 1% 191465-1003

R278 22.1K, 0603, .1W, 1% 191465-2212

R279 22.1K, 0603, .1W, 1% 191465-2212



ELECTRICAL PART LIST

Resistors (continued)

Capacitors

Reference

Designator Description Part Number NOTE

R280 22.1K, 0603, .1W, 1% 191465-2212

R281 22.1K, 0603, .1W, 1% 191465-2212

R301 100 K, ARRAY, SMT, 4 POS, 5% 186433-1044

R302 100 K, ARRAY, SMT, 4 POS, 5% 186433-1044

R303 100 K, ARRAY, SMT, 4 POS, 5% 186433-1044

R304 100 K, ARRAY, SMT, 4 POS, 5% 186433-1044

R305 100 K, ARRAY, SMT, 4 POS, 5% 186433-1044

R306 100 K, ARRAY, SMT, 4 POS, 5% 186433-1044

R307 100 K, ARRAY, SMT, 4 POS, 5% 186433-1044

R401 4.99K, 0603, .1W, 1% 191465-4991

R402 4.99K, 0603, .1W, 1% 191465-4991

R403 4.99K, 0603, .1W, 1% 191465-4991

R501 4.02K, 0603, .1W, 1%, 191465-4021

R502 4.02K, 0603, .1W, 1%, 191465-4021

R503 4.02K, 0603, .1W, 1%, 191465-4021

R900 619 OHM, 0603, .1W, 1% 191465-6190

R901 1.82K, 1/10W, 1%0603 191465-1821

R905 JUMPER, CHIP, 0603 196042



Reference

Designator Description Part Number NOTE

C1 0.047uF, 0805 , X7R, 100V, 10% 293862-473

C2 0.047uF, CAP, 0805, X7R, 100V, 10% 293862-473

C5 .33uF, BOX, 85, 50V, 5% 137127-334

C6 .33uF, BOX, 85, 50V, 5% 137127-334

C7 .33uF, BOX, 85, 50V, 5% 137127-334

C10 10000UF, EL, 85, 50V, 20% 170215

C11 .47uF, film, 10%, 250VDC 250104-474A

C12 1uF, EL, 85C, 20%, 50V 177902-010H

C13 47uF, EL, 85C, 20%, 16V 177902-470C

C14 .047UF, 0603, X7R, 50V 191470-473

C15 .047UF, 0603, X7R, 50V 191470-473

C16 39pF, C0G, 0603, 50V, 5% 188454-390

C17 .33uF, 1206, X7R, 100V, 10% 279056-334

C18 .33uF, 1206, X7R, 100V, 10% 279056-334

C19 .33uF, 1206, X7R, 100V, 10% 279056-334

C20 .33uF, 1206, X7R, 100V, 10% 279056-334

C21 .33uF, 1206, X7R, 100V, 10% 279056-334

C22 .047UF, 0603, X7R, 50V 191470-473

C23 100pF, C0G, 0603, 50V, 5% 188454-101

C24 100pF, C0G, 0603, 50V, 5% 188454-101

C25 100pF, C0G, 0603, 50V, 5% 188454-101

C26 0.47uF, EL, 85C , 20%, 50V 177902-R47H

C28 0.47uF, EL, 85C , 20%, 50V 177902-R47H



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