Bose SoundDock Repair Manual

The Bose SoundDock is a premium digital music system designed for use with iPod and iPhone devices, featuring Bose-engineered speakers, a dock connector, auxiliary input, remote control, and AC power. This manual provides essential information for diagnosis, disassembly, component replacement, and reassembly. Below are key sections covering safety, identification, tools, troubleshooting, repair procedures, and testing.

1. Product Identification & Specifications 2. Safety Precautions 3. Required Tools 4. Common Symptoms & Diagnosis 5. Disassembly Procedure 6. Component Replacement 7. Reassembly & Testing 8. Parts List & Ordering 9. Warranty & Service Notes

Product Identification & Specifications

Identify your SoundDock model (e.g., SoundDock Series I, II, or III) via label on bottom. Key components: Main enclosure, speaker drivers, amplifier board, dock connector assembly, power supply, remote control sensor, auxiliary input jack.

Feature	Description
Model Number	Located on bottom label (e.g., 329775-0010)
Power Requirements	AC adapter input: 100-240V~50/60Hz; Output: 12V DC
Audio Output	Stereo, Bose proprietary speaker drivers
Connectivity	30-pin Dock Connector (or Lightning for later models), 3.5mm Aux input
Remote Control	Infrared, controls play/pause, volume, track skip
Dimensions	Varies by model; approx. 7.5" H x 4.5" W x 6.5" D
Weight	Approx. 3.5 lbs (1.6 kg)
Supported Devices	iPod models (varies by generation), iPhone (with adapter)

Safety Precautions

Always unplug the unit from AC power before attempting any repair. Work on a clean, static-free surface. Use appropriate personal protective equipment if handling broken components.

Electrical Safety: Disconnect power adapter. Allow capacitors on amplifier board to discharge (wait 5 minutes).
Electrostatic Discharge (ESD): Use an anti-static wrist strap when handling circuit boards.
Mechanical Safety: Some plastic clips are brittle; use care when prying. Note screw locations and lengths.
Battery Safety: If replacing remote batteries, observe polarity. Dispose of old batteries properly.

WARNING! Repair by untrained personnel may void warranty and cause injury or further damage. If unsure, contact authorized Bose service.

Required Tools

Gather tools before starting.

Phillips Screwdriver: #00 and #0 size.
Torx Screwdriver: T6, T8 (for certain models).
Plastic Spudgers/Pry Tools: For separating plastic housings without damage.
Anti-static Wrist Strap & Mat: For ESD protection.
Multimeter: For continuity and voltage checks.
Soldering Iron & Solder: Fine tip, lead-free solder.
Needle-nose Pliers & Tweezers: For handling small connectors.
Container: For organizing screws and small parts.

Common Symptoms & Diagnosis

Use this table to diagnose common issues before disassembly.

Symptom	Possible Cause	Diagnostic Steps
No power (no lights)	Faulty AC adapter, internal fuse, power board	Test AC adapter output with multimeter (should be 12V DC). Check for visible fuse on board.
Power light on, no sound	Amplifier failure, speaker connection, dock connector	Test with auxiliary input. If aux works, issue may be dock connector or dock-related circuitry.
Distorted audio	Blown speaker, amplifier clipping, damaged dock	Listen to each channel separately via balance test (if available). Inspect speaker cones for tears.
iPod not charging/recognized	Dock connector damage, charging circuit fault	Clean dock connector pins. Test dock pin continuity with multimeter. Try known-good iPod.
Remote not working	Dead remote batteries, IR sensor fault, obstruction	Replace remote batteries. Ensure line-of-sight to sensor on front grille. Test remote with phone camera (IR LED should flash).
Intermittent operation	Loose internal connections, cold solder joints	Gently wiggle cables and connectors while unit is on (carefully) to isolate. Visually inspect board for cracked solder.

Disassembly Procedure

General steps for accessing internal components. Exact steps vary by model.

Prepare: Unplug power. Remove any docked device.
Bottom Cover: Place unit upside down on soft cloth. Remove rubber feet to reveal screws. Remove all screws securing bottom plate.
Separate Housing: Carefully insert plastic pry tool into seam between top and bottom halves. Work around perimeter to release plastic clips. Do not force.
Internal Access: Once housing is separated, identify main assemblies: speaker baffle, amplifier board, dock connector board, power input board.
Disconnect Cables: Note cable orientations. Gently disconnect ribbon cables and wire harnesses from boards. Use tweezers for small connectors.
Remove Boards: Unscrew boards from their mounts. Keep screws organized.

CAUTION! Ribbon cables are delicate. Pull on the connector, not the cable. Note orientation for reassembly.

Component Replacement

Instructions for replacing common failed parts.

Dock Connector Assembly:

After disassembly, locate the dock connector board.
Remove screws securing it to the chassis.
Disconnect its ribbon cable from the main amplifier board.
Replace with new assembly, reconnect cable, and secure screws.

Speaker Driver:

Remove screws holding speaker to baffle.
Carefully desolder two wires (note polarity: typically red=+, black=-).
Install new speaker, solder wires observing polarity, and re-mount.

Power Input Board/Fuse:

Locate small board where AC adapter plugs in.
Check fuse (usually a small glass or ceramic cylinder) for continuity with multimeter.
If blown, desolder old fuse and solder in new one of identical rating (e.g., 2A, 250V).

Amplifier Board: Complete board replacement is often most practical. Swap all connections to the new board exactly as on the old.

Reassembly & Testing

Reverse the disassembly steps.

Reinstall all internal boards and secure with correct screws.
Reconnect all cables and ribbon cables, ensuring firm seating.
Before closing housing, perform a preliminary test: Plug in power (keep hands clear of boards). Check for power light. Test aux input with a known audio source at low volume.
If test passes, align top and bottom housings and press together until all clips engage evenly.
Install bottom cover screws and rubber feet.
Final Functional Test:
- Power On: Light should illuminate.
- Dock Test: Insert known-good iPod. It should charge and play audio through both channels clearly.
- Aux Test: Connect a 3.5mm cable from a phone/player. Audio should play.
- Remote Test: Operate all functions (volume, play/pause, skip).
- Sound Quality: Play audio at various volumes; check for distortion, buzzing, or channel imbalance.

Parts List & Ordering

Genuine Bose parts are recommended. Use your model number to search.

Part Description	Common Part Number (Example)	Notes
Dock Connector Assembly (30-pin)	Bose 144101	For Series I/II. Verify compatibility.
Speaker Driver (Left or Right)	Bose 329775-xxxx	Specific to model; often sold as pair.
AC Power Adapter (12V)	Bose 040558	Ensure correct tip polarity (center positive).
Amplifier/Main Board	Bose 329776-xxxx	Board-level replacement.
Remote Control	Bose 040557	Infrared remote.
Rubber Feet Set (4)	Bose 040559	Self-adhesive.
Case Screw Kit	Varies	Includes various Phillips and Torx screws.

Ordering: Contact Bose Parts Department at 1-800-379-2073 or visit Bose Parts & Accessories.

Warranty & Service Notes

Warranty: Unauthorized repairs will void the Bose Limited Warranty. If your unit is under warranty, contact Bose support for service.

Service Centers: For complex repairs, locate an authorized Bose service center via the Bose website.

Support:

Bose Customer Service: 1-800-999-2673
Bose Online Support: www.bose.com/support
Repair Inquiries: 1-800-379-2073 (Parts & Service)

Disclaimer: This manual is for informational purposes. Bose is not responsible for any damage or injury resulting from repairs attempted using this guide. All trademarks are property of Bose Corporation.