Bose Lifestyle SA-2 Manual
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Bose Lifestyle SA-2 Manual

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SAFETY INFORMATION .................................................................................................................... 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
CAUTION: The Bose
no user-serviceable parts. To prevent warranty infractions,
refer servicing to warranty service stations or factory service.
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.
CONTENTS
®
®
Lifestyle
SA-2 & SA-3 amplifiers contain
PROPRIETARY INFORMATION
1

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  • Page 1: Table Of Contents

    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.

  • Page 2: Safety Information

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

  • Page 3: Electrical Specifications

    ELECTRICAL SPECIFICATIONS 120 Vrms Voltage Variations: International: 220-240 Vrms SA-2: 40 Watts into 6 Ohms @ <0.1% THD Maximum Power: 20 Hz to 10kHz SA-3: 100 Watts into 6 Ohms @ < 0.2%THD 20 Hz to 10 kHz 20 Hz - 20 kHz,+/- 0.5 dB (at full volume) Frequency Response: Dynamic Equalization: <40 dB SPL...

  • Page 4: Mechanical Specifications

    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 ®...

  • Page 5: Packaging Part List

    PACKAGING PART LIST Item Description Part Number Note Number 8 TO 9 PIN DIN ADAPTER 349714-0010 BAG, POLY, 14 3/8X9 7/8X2 MIL 103351 GLOBAL WARRANTY CARD, 1 YR. 324486-0010 SHEET, SAFETY 275072 OWNERS MANUAL English, Spanish, 275071 French OWNERS MANUAL Danish, German, 279060 Italian, Netherlands, Swedish, PACKING, INSERT...

  • Page 6: Packaging Part List

    PACKAGING PART LIST Item Description Part Number Note Number 8 TO 9 PIN DIN ADAPTER 349714-0010 BAG, POLY, 14 3/8X9 7/8X2 MIL 103351 GLOBAL WARRANTY CARD, 1 YR. 324486-0010 SHEET, SAFETY 275072 OWNERS MANUAL English, Spanish, and 275071 French OWNERS MANUAL Danish, German, 279060 Italian, Netherlands, Swedish, PACKING, INSERT...

  • Page 7: Main Part List Sa-2

    MAIN PART LIST Item Description Part Number Qty. Note Number CONNECTOR, PLUG-IN, 4 PIN 272953-04 CONNECTOR, PLUG-IN, 2 PIN 272953-02 SCREW, HILO, 4-16x.375, PAN, XREC 288372-006 HOUSING, AMPLIFIER 271724-02 FOOT, RUBBER, PRESS FIT 197418 FOOT, CAP – TOP INSERT 271898 TAPE, PAD, INSULATING 328907-0020 PCB ASSY SA-2, US/CANADA, 120V...

  • Page 8: Electrical Part List Sa-2

    ELECTRICAL PART LIST Resistors Reference Description Part Number NOTE Designator THERMISTOR, 10K, 5%, 0805 197229 THERMISTOR, 10K, 5%, 0805 197229 100 OHM, 0603, .1W, 1% 191465-1000 2.00 OHMS, 2512, 1W, 5% 181895-2R00 22.1K, 0603, .1W, 1% 191465-2212 4.99K, 0603, .1W, 1% 191465-4991 4.02K, 0603, .1W, 1%, 191465-4021...

  • Page 9: Electrical Part List Sa-3

    ELECTRICAL PART LIST Resistors (continued) Reference Description Part Number NOTE Designator 4.02K, 0603, .1W, 1%, 191465-4021 4.02K, 0603, .1W, 1%, 191465-4021 4.02K, 0603, .1W, 1%, 191465-4021 4.02K, 0603, .1W, 1%, 191465-4021 100 OHM, 0603, .1W, 1% 191465-1000 100 OHM, 0603, .1W, 1% 191465-1000 1.33K, 0603, 100MW, 1% 191465-1331...
  • Page 10 ELECTRICAL PART LIST Resistors (continued) Reference Description Part Number NOTE Designator 22.1K, 0603, .1W, 1% R280 191465-2212 22.1K, 0603, .1W, 1% R281 191465-2212 100 K, ARRAY, SMT, 4 POS, 5% R301 186433-1044 100 K, ARRAY, SMT, 4 POS, 5% R302 186433-1044 100 K, ARRAY, SMT, 4 POS, 5% R303...
  • Page 11 ELECTRICAL PART LIST Capacitors (continued) Reference Description Part Number NOTE Designator 0.47uF, EL, 85C , 20%, 50V 177902-R47H .33uF, BOX, 85, 50V, 5% 137127-334 .33uF, BOX, 85, 50V, 5% 137127-334 100pF, C0G, 0603, 50V, 5% C101 188454-101 100pF, C0G, 0603, 50V, 5% C102 188454-101 10uF, EL, 85C, 20%, 16V...
  • Page 12 ELECTRICAL PART LIST Inductors Reference Description Part Number NOTE Designator FERRITEBD, IND0603, 200MA 330OHM 268373-331   Diodes Reference Description Part Number NOTE Designator BRIDGE RECT 170214 SOT-23, BAV 99 147239 ZEN, 12V, 225MW, 5%, SOT-23 135247-5242 ZEN, 12V, 225MW, 5%, SOT-23 135247-5242 ZEN, 12V, 225MW, 5%, SOT-23 135247-5242...
  • Page 13 ELECTRICAL PART LIST Integrated Circuits Reference Description Part Number NOTE Designator OP AMP, QUAD, TLO74D, SOIC 186112 VOL CNTRL, SOIC 20, TDA7309D 188941-001 MICRO, ST72324, TQFP, 32K, FLSH 268457-001 TRANS, DUAL, SOIC-16, NJM13700 188650-001 TRANS, DUAL, SOIC-16, NJM13700 188650-001 RELAY SSR, HI-RON, 6-PIN, SMT 253843 VOLT REG, SMD, POS, SOT89, +8V 258167-08...

  • Page 14: Main Part List Sa-3

    MAIN PART LIST Item Description Part Number Qty. Note Number CONNECTOR, PLUG-IN, 4 PIN 272953-04 CONNECTOR, PLUG-IN, 2 PIN 272953-02 SCREW, HILO, 4-16x.375, PAN, XREC 181621-06 HOUSING, AMPLIFIER 271724-03 FOOT, RUBBER, PRESS FIT 197418 TAPE, PAD, INSULATING 320002-001 PCB ASSY, US/CANADA, 120V 323982-041S PCB ASSY, EURO, UK, AUS, 220/240V 323983-042S...
  • Page 15 ELECTRICAL PART LIST Resistors Reference Description Part Number Note Designator THERMISTOR, 10K, 5%, 0805 197229 SA-3 Only THERMISTOR, 10K, 5%, 0805 197229 THERMISTOR, 10K, 5%, 0805 197229 100 OHM, 0603, .1W, 1% 191465-1000 2.00 OHMS, 2512, 1W, 5% 181895-2R00 22.1K, 0603, .1W, 1% 191465-2212 7.5K, 0603, .1W, 1% 191465-7501...
  • Page 16 ELECTRICAL PART LIST Resistors (continued) Reference Description Part Number Note Designator 20K, 0603, .1W, 1% 191465-2002 1 MEG, 0805, 1/10W, 5% 133626-1055 100K, 0805, .125W, 1% 133625-1003 100K, 0805, .125W, 1% 133625-1003 1K, 2512, 1W, 5% 181895-1001 2.67K, 0603, .1W, 1% 191465-2671 2.67K, 0603, .1W, 1% 191465-2671...
  • Page 17 ELECTRICAL PART LIST Resistors (continued) Reference Description Part Number Note Designator R155 100K, 0603, .1W, 5% 199403-104 R156 100K, 0603, .1W, 5% 199403-104 R157 100K, 0603, .1W, 5% 199403-104 R158 1K, 0603, .1W, 1% 191465-1001 R159 1K, 0603, .1W, 5% 199403-102 R160 10K, 0603, .1W, 5%...
  • Page 18 ELECTRICAL PART LIST Resistors (continued) Reference Description Part Number Note Designator R274 100K, 0603, .1W, 1% 191465-1003 R275 100K, 0603, .1W, 1% 191465-1003 R277 100K, 0603, .1W, 1% 191465-1003 R278 22.1K, 0603, .1W, 1% 191465-2212 R279 22.1K, 0603, .1W, 1% 191465-2212 R280 22.1K, 0603, .1W, 1%...
  • Page 19 ELECTRICAL PART LIST Capacitors Reference Description Part Number Note Designator 0.047uF, 0805, X7R, 100V, 10% 293862-473 0.047uF, 0805, X7R, 100V, 10% 293862-473 1uF, X7R, 0603, 16V, 10% 257154-105K16 390pF, 0603, X7R, 50V 191470-391 0.1uF, X7R, 0603, 10%, 50V 191470-104 0.1uF, X7R, 0603, 10%, 50V 191470-104 1uF, X7R, 0603, 16V, 10% 257154-105K16...
  • Page 20 ELECTRICAL PART LIST Capacitors (continued) Reference Description Part Number Note Designator 0.1uF, X7R, 0603, 10%, 50V 191470-104 0.1uF, X7R, 0603, 10%, 50V 191470-104 0.1uF, X7R, 0603, 10%, 50V 191470-104 0.1uF, X7R, 0603, 10%, 50V 191470-104 0.1uF, X7R, 0603, 10%, 50V 191470-104 0.1uF, X7R, 0603, 10%, 50V 191470-104...
  • Page 21 ELECTRICAL PART LIST Capacitors (continued) Reference Description Part Number Note Designator C250 .047uF, 0603, X7R, 50V 191470-473 C251 0.47uF, EL, 85C, 20%, 50V 177902-R47H C252 0.47uF, EL, 85C, 20%, 50V 177902-R47H C253 0.47uF, EL, 85C, 20%, 50V 177902-R47H C254 0.47uF, EL, 85C, 20%, 50V 177902-R47H C255 0.47uF, EL, 85C, 20%, 50V...
  • Page 22 ELECTRICAL PART LIST Diodes Reference Description Part Number Note Designator BRIDGE RECT 170214 BRIDGE RECT 170214 SA3 Only SOT-23, BAV 99 147239 Schtky, SOD123, 0.5A, 20V 275425-002 ZEN, 12V, 225MW, 5%, SOT-23 135247-5242 ZEN, 3.3V, 225MW, 5%, SOT-23 135247-5226 ZEN, 3.3V, 225MW, 5%, SOT-23 135247-5226 SOT-23, BAV 99 147239...
  • Page 23 ELECTRICAL PART LIST Transistors Reference Description Part Number Note Designator TRIAC, 8A, 600V, D2PAK 197226 BRT, NPN, 47K/47K, SOT-23 346223-0090 BRT, PNP, 47K/47K, SOT-23 189290-009 BRT, PNP, 47K/47K, SOT-23 189290-009 BRT, PNP, 47K/47K, SOT-23 189290-009 BRT, PNP, 47K/47K, SOT-23 189290-009 BRT, PNP, 47K/47K, SOT-23 189290-009 BRT, PNP, 47K/47K, SOT-23...
  • Page 24 ELECTRICAL PART LIST Miscellaneous Reference Description Part Number Note Designator FUSE, 3.15A, 250V, 5X20MM, SLO-BLO 177311-03150 FUSECLIP, 5mm 178548 FUSECLIP, 5mm 178548 CONN, HOUSING, AC, 2 POS, FEMALE 146563 CONN, HEADER, LOCKING, TOP ENTRY 193369-002 CONN, HEADER, INLINE, PCB MNT, 5P 133220-05 CONN, PIN JACK, DUAL, VERTICAL 273167...

  • Page 25: Sa-2 Disassembly Procedures

    SA-2 DISASSEMBLY PROCEDURES 1. PCB Disassembly and Transformer Removal 1.1 On the rear panel, remove the phillips-head screw identified below that secures the AC power jack to the amplifier housing. 1.2 Remove the six phillips-head screws indicated to remove the amplifier housing bottom panel. Lift off the bottom panel.
  • Page 26 SA-2 DISASSEMBLY PROCEDURES 1.3 Remove the four phillips-head screws that secure the IC pressure bar to the amplifier hous- ing. Lift off the pressure bar. 1.4 Remove the three phillips-head screws that secure the PCB assembly to the amplifier housing. 1.5 Lift the PCB assembly and transformer up and out of the amplifier housing.

  • Page 27: Disassembly Procedures

    SA-3 DISASSEMBLY PROCEDURES 1. PCB Disassembly and Transformer Removal 1.1 On the rear panel, remove the phillips-head screws identified below that secures the AC power jack to the amplifier housing as identified below. 1.2 Remove the four phillips-head screws indicated to remove the bottom panel to the amplifier housing.
  • Page 28 SA-3 DISASSEMBLY PROCEDURES 1.3 Remove the four phillips-head screws that secure the plate clamp to the amplifier housing. Lift off the plate clamp. 1.4 Remove the three phillips-head screws that secure the PCB assembly to the amplifier housing. 1.5 Remove the two phillips-head screws identified, these are the remaining two screws that secure the transformer to the amplifier housing.
  • Page 29 SA-3 DISASSEMBLY PROCEDURES 1.6 Lift the PCB assembly and transformer up and out of the amplifier housing. Make sure that the rear panel connectors clear the housing. 1.7 Remove the two transformer cables from the PCB assembly jacks at J2 and J3.

  • Page 30: Test Set-Up

    Up Room Address 4 bit (LSB) Set up the unit under test as described below. 1. Set the DIP Switches as described above. 2. Connect the DIN connector of cable part number 278128-001 to the amplifier Bose link DIN ® input connector.

  • Page 31: Test Procedures

    TEST PROCEDURES 1. Channel Gain Test 1.1 Apply a 100 mVrms, 1 kHz signal to the left and right channel inputs. 1.2 Reference a dB meter to the applied signal. 1.3 Measure the output level at the left and right channel. 1.3.1 Left Channel Output: 34.9 +/- 1.5dB 1.3.2 Right Channel Output: 34.9 +/- 1.5dB 2.

  • Page 32: Revision History

    SERVICE MANUAL REVISION HISTORY Date Revision Description of Change Change Driven Pages Affected Level 9/12 EUP SA3 PCB Part # Changes ECN 53151 6,14-24,26,28 10/12 Part number changes ECN 53453...
  • Page 33 ® Lifestyle SA-2 & SA-3 Stereo Amplifier SA-2 SA-3 2012 Bose Corporation Service Manual © Reference Numbers 271720 & 271721-SM Rev. 04 Electronic Copy Only...
  • Page 34 SPECIFICATIONS AND FEATURES SUBJECT TO CHANGE WITHOUT NOTICE Bose Corporation The Mountain Framingham Massachusetts USA 01701 Reference Numbers 271720 & 271721-SM Rev.04 10/2012 http://serviceops.bose.com...

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