The Bose Lifestyle 5 is a premium home theater system featuring a main control unit, powered Acoustimass module, five cube satellite speakers, and a universal remote. This service manual provides detailed technical information for installation, configuration, troubleshooting, and repair. Below are key sections covering system overview, installation procedures, technical specifications, operational controls, connection diagrams, diagnostic procedures, and maintenance guidelines.
Key components: Main Control Unit (Lifestyle® 5 Media Center), Powered Acoustimass® Module (bass), Five Direct/Reflecting® Cube Satellite Speakers, Universal Remote Control, IR Emitter, Power Cords, Connection Cables.
| Component | Description |
|---|---|
| Main Control Unit | Central processor with AM/FM tuner, audio/video inputs, system control |
| Acoustimass Module | Powered bass unit with built-in amplifier |
| Cube Satellite Speakers | Five small speakers for front, center, and surround channels |
| Universal Remote | Controls system and compatible external devices |
| IR Emitter | Extends remote control signal to components inside cabinets |
| Audio Inputs | Analog (RCA), digital optical, coaxial |
| Video Inputs | Composite, S-Video, component video |
| Outputs | Speaker terminals, subwoofer output, video monitor output |
| Power Supply | Internal switching power supply, 120V AC, 60Hz |
| Protection Circuits | Over-current, over-temperature, short-circuit protection |
Unpack and verify all components. Place control unit in well-ventilated area.
WARNING! Ensure proper ventilation around control unit. Do not place speakers near heat sources.
Front Panel Controls: POWER, INPUT SELECT, VOLUME, TUNER PRESETS. Display: LED indicators for input, status, clock.
Remote Control: POWER, NUMERIC (0-9), INPUT SELECT, VOLUME UP/DOWN, MUTE, MENU, NAVIGATION (up/down/left/right, ENTER), PLAYBACK CONTROLS (play, pause, stop, etc.), TUNER BAND (AM/FM), PRESETS.
On-Screen Menu: Access via MENU button. Settings: Speaker setup (size, distance), audio mode (Movie, Music, Direct), tuner setup, input configuration, system preferences. Remote Programming: Can learn codes from other remotes to control external devices.
Standard Connection: Sources (DVD, cable box) → Control Unit Inputs → Control Unit Outputs → Speakers & TV.
Tip: Use high-quality cables for optimal audio/video performance. Ensure all connections are secure.
Use on-screen menu for system optimization.
Note: Default master code for locked settings is often 0000 or 1111. Refer to unit-specific documentation.
Built-in diagnostics: Access service menu by holding specific buttons on unit during power-up (procedure varies).
LED Error Codes: Flashing patterns indicate specific faults (e.g., thermal shutdown, short circuit, processor error).
Test Tones: Generate test tones through each speaker channel to verify output and balance.
Voltage Checks: Measure DC voltages at key test points on power supply and amplifier boards.
CAUTION! Disconnect AC power before disassembly. Use proper ESD precautions.
WARNING! High voltages may be present on power supply board even after unplugging. Allow time for capacitors to discharge.
Firmware updates may be available for feature enhancements or bug fixes.
Update Procedure (if applicable): Requires connection to a PC via serial/USB service port and proprietary software. Not typically user-serviceable.
Software Tools: Bose service software for diagnostics and configuration (authorized service centers only).
FCC Part 15: Class B digital device. Complies with limits for residential use. UL Listed. CE Marked.
Safety Standards: Designed to meet UL 60065, IEC 60065. Contains no user-serviceable parts inside. Refer to qualified service personnel.
Copyright © Bose Corporation. All rights reserved. Bose, Lifestyle, Acoustimass, Direct/Reflecting are registered trademarks of Bose Corporation.
For technical support or service, contact Bose Customer Service: 1-800-999-2673 or www.bose.com.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| No power (no lights) | Power cord, outlet, internal fuse | Check power cord connection; test outlet; check/replace internal fuse (service required). |
| No sound from speakers | Mute, volume, input selection, speaker wires | Check mute; increase volume; select correct input; verify speaker wire connections. |
| No sound from one speaker | Faulty wire, speaker, or amplifier channel | Swap speaker with another channel to isolate problem to wire, speaker, or unit. |
| Acoustimass module not working | Connection, module power, settings | Check cable to control unit; ensure module is powered on; check subwoofer level in menu. |
| Remote not working | Batteries, IR path, sensor | Replace batteries; ensure clear line of sight to IR sensor on unit; test remote with camera phone. |
| No video from on-screen menu | Video cable, TV input | Check video cable from control unit to TV; ensure TV is on correct input. |
| Distorted sound | Overload, source, amplifier fault | Reduce volume; test with different source; if persists, possible amplifier issue (service). |
| Unit shuts off unexpectedly | Overheating, short circuit | Ensure ventilation; check for speaker wire shorts; allow to cool. |
Factory Reset: May resolve software glitches. Procedure: Often involves holding specific buttons while powering on (consult specific service bulletin).
Service: For repairs not covered here, contact authorized Bose service center. 1-800-999-2673; www.bose.com/support.