Pcba-Position Hall - Bernina B 590 Service And Maintenance Manual

4.2.5 PCBA-Position Hall

See ESD-related note
Disassembly:
• Remove the covers
• Picture 1 – Remove PCBA-Base
• Picture 2 - Remove screws b and PCBA-Position Hall.
• Picture 3 - PCB with black mounting plate and Hall
sensor c.
• Picture 4 - The magnetic encoder e for the Hall sensor c
sits at the end of base shaft 2.
Assembly:
• Picture 2 - Position PCBA-Position Hall and fasten with
screws b.
• Picture 1 - Hook feed-dog drop 1 in behind PCBA-Base.
Position the whole unit and fasten with four screws
a.
• Picture 1 - Reconnect all plugs.
• Refit all covers (if appropriate).
BERNINA International AG
(see 4.1)
(see 4.2.4).
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