Pcba-Front Cover Including Display And Touchscreen - Bernina B 590 Service And Maintenance Manual

4.2.7 PCBA-Front cover including display and touchscreen

See ESD-related note
Disassembly:
• Remove covers. (see 4.1)
• Picture 1 - Remove SSU slide and knobs.
• Picture 2 - Disconnect PCBA-RET flat ribbon
cable.
• Picture 2 - Disconnect LC display flat ribbon cable.
• Picture 2 - Carefully remove EMC gasket and
disconnect the flat ribbon cable connecting PCBA-
Base and LCD .
• Picture 2 - Disconnect flat ribbon cable from
touchscreen.
• Picture 2 - Remove flat ribbon cable function from
PCBA-Base.
• Picture 2 - Remove all nine screws T10 (3x8)
using a screwdriver.
• Pull off PCBA-Front cover.
Assembly:
• Position PCBA-Front cover properly, taking care
not to jam any flat ribbon cables.
• Refit and retighten all nine screws T10 using a
screwdriver.
• Refit PCBA-Base flat ribbon cable function.
• Reconnect touchscreen flat ribbon cable.
• Lay LCD and PCBA-Base connecting flat ribbon cable under EMC gasket, reconnect. Press EMC
gasket firmly to seal.
• Reconnect LC display flat ribbon cable.
• Reconnect PCBA-RET flat ribbon cable.
• Refit SSU slide and knobs.
• Refit covers (if appropriate).
Note:
The faceplate is easiest to remove from front cover by unlocking the snap fits after PCBA-Front cover is
removed from machine. With the new 5 Series (VIO) faceplate, touchscreen and LCD form one unit, and is
only available as such.
Spare part no. Description
036391.70.00 Faceplate cpl. with touchscreen and display
036391.70.01 Faceplate cpl. with touchscreen and display
036391.70.02 Faceplate cpl. with touchscreen and display
BERNINA International AG Seestrasse 161 CH-8266 Steckborn
DRAFT – VERSION
Color
black
silver
white
Schweiz Seite 51 von 172