Brother LB6950 Manuals

Manuals and User Guides for Brother LB6950. We have 1 Brother LB6950 manual available for free PDF download: Service Manual

Brother LB6950 Service Manual (142 pages)

Home Sewing Machine

Brand: Brother | Category: Sewing Machine | Size: 18 MB

General Information
2
Table of Contents
4
Outline of Mechanism
7
Main Mechanisms
8
Driveline
9
Positions of Electronic Components
11
Control System Block Diagram
13
Layout for PCB Connectors
14
Panel PCB
15
Power Supply Unit
16
Power Supply PCB Assy
16
Operation of Other Electronic Components
17
Removal of Cover
19
Main Body
24
Removal of Front Cover Assy
24
Removal of Rear Cover Assy
25
Embroidery Unit
26
Application of Disassembly/Assembly
30
NT Lower Thread Cutter of Needle Plate B Assy
30
NT Lower Thread Cutter of Face Plate Assy
31
USB Cover, Panel PCB Assy
32
Board Plate, FC Jack Assy
33
SSVR PCB Assy, LED PCB Assy
34
LCD Relay PCB Assy, LCD Assy, Touch Panel Assy
35
Connector Holder Assy
37
Inlet Assy
38
Main PCB Assy
39
Main Motor Assy
40
NP PCB Assy
42
NT Lower Thread Cutters of Bobbin Base Assy
43
Power Unit
44
Thread Unit Assy
45
Upthread PCB Assy, Thread Catching Spring Case
46
Feed Module
47
Thread Cutter Module
48
Photo Diode Holder Assy
49
Feed Dog, Outer Rotary Hook Assy
50
F Pulse Motor
51
Lower Shaft Assy
52
Cutter Blade Assy of Thread Cutter Module
55
C Pulse Motor
56
Upper Shaft Assy
57
Needle-Presser Module
58
Needle Bar Crank Rod Assy
60
BH Switch Assy
61
PF SW Assy
62
Needle Bar
63
Needle Bar Holder Assy
64
Threader Hook Assy
66
Z Pulse Motor
67
Lead Wire Assy EMB Unit
68
Pulse Motor, X Slider
69
Belt Presser, X Carriage Unit
70
Guide Shaft, y Tension Pulley, T Belt
71
Y Pulse Motor
72
YSENS PCB Assy: CCOM
73
XSENS PCB Assy: CCOM
74
Tension Pulley Assy, T Belt
75
Lubrication
76
Feed Module
77
Thread Cutter Module
79
Needle-Presser Module
80
Adjustment
84
Needle Point Damage
85
Start Test Mode
86
Timing Belt Tension
88
Motor Belt Tension
89
Fine Tension
90
Upper Thread Tension
91
Front/Back Position of Needle and Presser Foot
92
Left Base Line Needle Drop
93
Needle Clearance Left/Right
94
Needle Bar Rising
95
Needle Bar Height
96
Needle Clearance
97
Needle Threader
98
Presser Bar Height
99
Feed Dog Height
100
Front/Back and Left/Right Position of Feed Dog
101
Feed Forward/Backward
102
Number of BH Satin Part Stitches
103
Pattern
103
Inner Rotary Hook Bracket Position
108
Lower Thread Winding
109
Lower Thread Tension (Standard Inner Rotary Hook Assy)
110
Belt Tension (Embroidery Unit)
111
Embroidery Center Position (Embroidery Unit)
112
Electronic Parts
114
Error Message List
115
Error Is Displayed
116
Replacement of Main PCB Assy or Panel PCB Assy
120
Correspondence Table of "Model" and "Printed-Circuit Board
121
Maintenance
122
How to Reset Counter of the Maintenance
122
Necessary Grease & Oil
124
Maintenance Point
125
Special Instructions of Wiring
130
Module Wiring
130
Main Body Wiring
132
Front Cover Wiring
138
Front Cover Assy
139
Embroidery Unit Wiring
140

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Brother LB6950 Service Manual (142 pages)

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