Bose SoundTouch 300 Soundbar Service Manual 767520-SM (PDF)

Description

Bose SoundTouch 300 Soundbar Service Manual 767520-SM (PDF) DOWNLOAD

Description

✅ What this manual is for

This is the factory Bose Service Manual for the Bose SoundTouch 300 Soundbar—made for technicians who need proper disassembly steps, PCB/board part lists, diagnostics, test procedures, and repair guidance (including known “no power” failure points).

Perfect for:

• Electronics repair shops

• Service technicians

• DIY advanced troubleshooting (bench-level)

📌 Models Covered

• Bose SoundTouch 300 Soundbar

(Also references compatibility context with Acoustimass 300 and Virtually Invisible 300 in product overview.)

📂 What’s Inside (Neatly Categorized)

🔎 Product Overview + Safety

• Product description and system compatibility notes

• Safety information + ESD handling precautions

• Warranty notes and service cautions

🧾 Parts Lists + Exploded Views

• Packaging part list + packaging exploded view

• Main assembly part list + main assembly exploded view

• Detailed PCB part lists:

  • Main PCB

  • Power PCB

  • IR PCB

  • NFC PCB

  • HDMI PCB

🪛 Disassembly Procedure

Step-by-step teardown guidance with figures for:

• Bottom cover removal (screw sequence)

• Grille removal + foam gasket/catches

• Main board removal (FFC connectors, foams, screw locations)

• IR board removal

• HDMI assembly removal

• STS compartment access

• NFC bracket/PCB removal

• Power board removal

• Tweeter/transducer removals + wire routing/orientation

✅ Assembly Key Points

• Reassembly notes with foam placements and wire routing diagrams

🧪 Service Tests & Procedures

• TAP command prompt setup

• Wi-Fi test procedure

• Audio test procedure

• Hi-Pot test (mandatory safety test)

• Tera Term command setup

• Functional test procedure (LED checks, pairing steps, connections)

🧩 Programming / Configuration

• Serial number + country/region code programming

• Variant tables / product settings

💾 Software / Firmware

• Software update guide

🔧 Board/Module Replacement

• Boards replacement procedure

• STS synchronization procedure

🛠️ High-Value Troubleshooting Highlights

⚡ “Dead / No Power” Fix Guidance (Common Repair)

Includes service bulletin guidance for “Dead / No Power” failures tied to DC-DC converter issues:

• DC-DC converter ICs U1401 / U1501 replacement procedure

• Related component value changes for improved reliability

• Notes about power supply shutdown behavior when the circuit is shorted

• Emphasizes completing Hi-Pot test before returning to customer

(Helpful for shops seeing repeated “no power” returns.)

📋 File Details

Fix the SoundTouch 300 the right way—this OEM manual gives you the exact teardown steps, board procedures, and official test routines to repair confidently. Instant download = start diagnosing in minutes.