4
ELECTROSTATIC DISCHARGE SENSITIVE (ESDS)
DEVICE HANDLING
This unit contains ESDS devices. We recommend the following precautions when repairing, replacing
or transporting ESDS devices:
• Perform work at an electrically grounded work station.
• Wear wrist straps that connect to the station or heel straps that connect to conductive oor mats.
• Avoid touching the leads or contacts of ESDS devices or PC boards even if properly grounded.
Handle boards by the edges only.
• 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
®
SoundTouch
®
20 Wi-Fi music system is covered by a limited 1-year transferable warranty.
2 years in Europe.
Part List Notes
1. The individual parts located on the PCBs are listed in the Electrical Part List.
2. This part is referenced for informational purposes only. It is not stocked as a repair part. Refer to
the next higher assembly for a replacement part.
3. This part is critical for safety purposes. Failure to use a substitute replacement with the same
safety characteristics as the recommended replacement part might create shock, re and/or other
hazards.
4. The Variant, country code, region code and serial number must be set after replacing the WI-FI
module. Refer to the procedures on page 42.
5. The OLED display is ESD sensitive. To reduce the chance of latent failures, take proper ESD
precautions when handling.
6. Units built after 12/12/2015 used a new connector from HIROSE which is not compatible with
earlier production units. Use the part with the connector type that matches the connector type used in
the unit you are repairing.
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General
Weight and Dimensions
