Replace Midrange Unit - Bang & Olufsen BeoLab 12-3 Service Manual

4.12 Replacement of modules

Replace midrange unit

- Remove all cables from the product
- Loosen screws* holding the front
- Disconnect the two cables to the tweeter
and remove the front as shown
- Use a screwdriver to release the screws (just
unscrewed) from the speaker and collect the
screws for safekeeping
This is to prevent the screws from falling out
of the product and get lost
- Remove screws, disconnect cables and
midrange unit
Use ServiceTool to align the sensivity
value printed on the new midrange unit.
Please refer to adjustments page 3.3
- Update the firmware to the latest version
*
TX20
(x2)
12mm
TX20
(x4)
12mm
TX10
(x4)
10mm
*
Screw w/lock washer
Screw w/lock washer