Bernina B 570 - PCBA-Base General Information; PCBA-Base with Feed-Dog Drop Detection

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DRAFT – VERSION
2.4 PCBA-Base General Information
The PCBA-Base contains:
• EEPROM (storing of machine-specific data, e.g. stitch counter and operating hours counter)
• 5-volt and 36-volt voltage control LEDs
• PCBA-CPU-module interface
• FHS light barrier
• Speaker
• Stepping motors drivers
Internal connections:
• According to table
External connections:
• USB connections for PC and USB stick
• Foot control connection
Important!
When replacing the PCBA-Base, remove the EEPROM from the old PCBA and directly
fit it on the new PCBA.
Do not remove or plug in any connections when the sewing computer is switched on
or connected to the power supply.
2.4.1 PCBA-Base with feed-dog drop detection