Bose SoundDock Portable Service Manual

The Bose SoundDock Portable is a compact, battery-powered docking speaker system designed for iPod and iPhone devices. It features high-quality audio output, a rechargeable lithium-ion battery, a built-in handle for portability, and auxiliary input for other audio sources. This service manual covers technical specifications, disassembly instructions, troubleshooting, parts identification, and maintenance procedures for authorized service personnel.

1. Features at a Glance 2. Technical Specifications 3. Safety Precautions 4. Exploded View & Parts List 5. Disassembly Instructions 6. Battery Replacement 7. Circuit Diagrams 8. Troubleshooting Flowcharts 9. Firmware Update Procedure 10. Reassembly & Testing 11. Regulatory & Compliance

Features at a Glance

Key components: Main audio unit with dock connector, rechargeable battery pack, amplifier board, speaker drivers, control buttons, status LEDs, auxiliary input, and charging circuitry.

Feature	Description
Dock Connector	30-pin connector for iPod/iPhone docking and charging
Rechargeable Battery	Lithium-ion battery pack for portable operation
Audio Amplifier	Class-D digital amplifier for efficient power use
Speaker Drivers	Dual full-range drivers with passive radiators
Control Buttons	Power, Volume Up/Down, Auxiliary input selector
Status LEDs	Battery charge indicator and power status
Auxiliary Input	3.5mm stereo jack for non-Apple devices
AC Power Adapter	Input: 100-240V AC; Output: 12V DC
Carrying Handle	Integrated foldable handle for portability
Protection Circuits	Over-current, over-temperature, and short-circuit protection

Technical Specifications

Power Output: 20 Watts total (10W per channel)
Frequency Response: 70Hz - 20kHz (±3dB)
Battery Type: Lithium-ion, 7.4V, 2000mAh
Battery Life: Up to 8 hours at moderate volume
Charge Time: Approximately 4 hours from full discharge
Inputs: iPod/iPhone dock connector, 3.5mm auxiliary input
Dimensions: 7.5" W × 4.5" H × 4.2" D (with handle folded)
Weight: 2.2 lbs (1.0 kg)
Operating Temperature: 32°F to 104°F (0°C to 40°C)
Supported Devices: iPod models with 30-pin connector, iPhone 3G/3GS/4

Safety Precautions

Before servicing, read all safety instructions. This device contains components that can retain hazardous voltages even when disconnected from AC power.

Disconnect AC power adapter and remove battery before disassembly.
Use appropriate ESD protection when handling circuit boards.
Do not short-circuit battery terminals.
Replace battery only with specified Bose part number.
Ensure all screws are properly tightened during reassembly.

WARNING! Lithium-ion batteries can pose fire risk if damaged, punctured, or improperly handled. Follow proper battery disposal regulations.

Exploded View & Parts List

Refer to Figure 1 in appendix for exploded view. Key components and part numbers:

Part Number	Description	Qty
123456-001	Main Enclosure Assembly	1
123456-002	Front Grille Assembly	1
123456-003	Amplifier Board Assembly	1
123456-004	Battery Pack (Li-ion)	1
123456-005	Dock Connector Assembly	1
123456-006	Speaker Driver (Left)	1
123456-007	Speaker Driver (Right)	1
123456-008	Control Button PCB	1
123456-009	Handle Assembly	1
123456-010	Rubber Feet Set	4

Disassembly Instructions

Tools required: T8 Torx screwdriver, plastic spudger, anti-static mat.

Remove four rubber feet to access screws.
Remove eight T8 screws from bottom panel.
Separate bottom panel from main enclosure using plastic spudger.
Disconnect battery connector from main board.
Remove six screws securing amplifier board.
Carefully lift amplifier board, noting cable routing.
Disconnect dock connector flex cable and speaker wires.
Remove front grille by releasing six plastic clips.

CAUTION! Use plastic tools only to avoid damaging plastic clips and finishes.

Battery Replacement

Battery part number: 123456-004. Replacement procedure:

Follow disassembly steps 1-4 to access battery compartment.
Remove two screws securing battery bracket.
Disconnect battery connector from main board.
Lift out old battery pack.
Install new battery pack, ensuring connector orientation is correct.
Secure with bracket and screws.
Reconnect battery connector to main board.
Perform battery calibration: Fully charge, then fully discharge.

IMPORTANT: Dispose of old battery according to local regulations. Do not incinerate.

Circuit Diagrams

Refer to Figures 2-5 in appendix for detailed schematics:

Figure 2: Main power supply and charging circuit
Figure 3: Amplifier section (Class-D topology)
Figure 4: Microcontroller and control logic
Figure 5: Dock connector interface circuit

Test points and expected voltages:

Test Point	Description	Expected Voltage
TP1	Battery input to main board	7.4V DC (±0.5V)
TP2	Amplifier power supply	12V DC (±0.5V)
TP3	Microcontroller VCC	3.3V DC (±0.1V)
TP4	Dock connector power	5V DC (±0.2V)

Troubleshooting Flowcharts

Symptom	Possible Cause	Corrective Action
No power	Dead battery, faulty adapter	Check battery voltage; test AC adapter output; inspect power switch.
No audio from dock	Dock connector damage	Inspect dock connector pins; test continuity; replace if bent/broken.
Distorted audio	Amplifier fault, speaker damage	Test amplifier output; inspect speakers for tears; replace as needed.
Battery not charging	Charging circuit fault	Check charging IC; measure current; replace faulty components.
Intermittent operation	Loose connections	Reseat all connectors; check solder joints; repair cold joints.
LED indicators abnormal	Microcontroller issue	Check microcontroller power/reset; reprogram firmware if needed.

Firmware Update Procedure

Required: Bose firmware update tool (v2.1 or later), USB-to-serial adapter, Windows PC.

Connect USB-to-serial adapter to service port on amplifier board.
Launch Bose firmware update tool on PC.
Select "SoundDock Portable" from device list.
Load firmware file (SDockPortable_v1.2.hex).
Follow on-screen instructions to complete update.
Verify firmware version in diagnostic mode.

NOTE: Do not interrupt power during firmware update. This may brick the device.

Reassembly & Testing

After repair, reassemble in reverse order of disassembly. Post-repair testing:

Visual inspection: Ensure no loose parts or pinched cables.
Power test: Verify LED indicators function correctly.
Audio test: Play test tones through dock and auxiliary inputs.
Battery test: Verify charging and discharge cycles.
Function test: Test all buttons and controls.
Final inspection: Check enclosure for proper fit and finish.

Quality Check: Unit must pass all tests before returning to customer.

Regulatory & Compliance

FCC ID: A94BSOUNDDOCKP (Part 15 Class B). IC: 511B-A94BSOUNDDOCKP. CE marked. RoHS compliant. Contains lithium-ion battery - follow local disposal regulations. This manual is for authorized service personnel only. Copyright © 2009 Bose Corporation. All rights reserved. For technical support, contact Bose Professional Services or visit pro.bose.com.