Control Board Connection - Baby Lock Regalia BLRG20 Service Manual

Section 17: Electronic Information - Control Board
Connection
J6
J9
J7
J8
J13
Page 58
J4
J3
J11
J12
J1
Control Board: QM20032
• J4, Rear display communications via rear
connection panel board (J3)
• J3, Front display communications via front nose
cover board (J3)
• J11, Control Board to Motor Driver Board
connection
• J13, Power Supply remote connection from pow-
er supply to Control Board and on from Control
Board to the front nose cover board remote on/off
switch. The machine will not turn on without this
connection.
• J8, Front machine casting cover wire harness
(contains right LED light strip connection,
Quick Set Tension connection, Thread Break
Sensor connection.
• J7, Large white connector for wire harness with
many white and yellow wires for front machine
control. Harness goes from Control Board to front
nose cover board J1, front handlebar membrane
switch connection board QM20035, and front LED
light ring board QM20037.
• J9, Large white connector for wire harness with
many white and yellow wires for rear machine
control. Wire harness goes from Control Board J9
to rear connection panel board J4.
• J6, Black and Red power cable from power supply
providing 48VDC power to control board.
• J5, Engineering Debug connector
J5
• J1, Unused plug
• J12, Bobbin area LED board
Regalia Service Manual