Brother LK3-B448E instruction manual Connecting the cords, Installation

3. Installation

3-14. Connecting the cords

P8

P1

P2

P3

				P4
				P5
				P6
		P11		P7
Machine head connectors			Connection location on circuit board
Connection location	No. of pins	Cord mark
X, Y, Sewing sensor	12-pin	z	P1	(ORG2)
Synchronizer	5-pin	x	P2	(SYNCHRO)
Machine specification	8-pin	c	P3	(SELECT)
select connector
Thread take-up solenoid	5-pin	v	P4	(SOL2)
Presser solenoid	4-pin	b	P5	(SOL)
Thread trimmer solenoid
Pulse motor, Y	4-pin (blue)	n	P6	(YPM)
Pulse motor, X	4-pin	m	P7	(XPM)
Operation panel	26-pin	None	P8	(PANEL)
Upper shaft motor	3-pin	None	P11 (UVW)
BA16	1-pin	None	P14
BA16	16-pin	None	P15

1.Gently tilt back the machine head.

NOTE:

After tilting back the machine head, do not push the face side or the pulley side from above.

2.Pass the cords q through the hole w in the work table.

3.Gently return the machine head to its original position.

4.Remove the six screws e, and then open the control box cover (main P.C. board mounting plate r).

NOTE:

When opening the cover, hold it securely so that it does not fall down.

5.Loosen the two screws t, and then open the cord presser plate y in the direction of the white arrow and pass the cords q through the opening.

6.Loosen the screw o, and then attach the ground cord u for the machine head and the ground cord i for the operation panel as shown in the illustration.

7.Loosen the screw !1, and then attach the ground cord !0for the upper shaft motor as shown in the illustration.

8.Securely connect connectors P1 to P8 and P11 as indicated in the table.

9.Secure the cords q with the cord clamps !2and !3.

10.Close the cord presser plate y in the direction of the black arrow, and secure it by tightening the screws t.

NOTE:

Check that the cords do not get pulled when the machine head is tilted back gently. 11. Tighten the cover (main P.C. board mounting plate r) with the six screws e.

LK3-B448E MARKII/BA-16

14