Brother NV770E Manuals

Manuals and User Guides for Brother NV770E. We have 1 Brother NV770E manual available for free PDF download: Service Manual

Brother NV770E Service Manual (235 pages)

Computerized Sewing Machine

Brand: Brother | Category: Sewing Machine | Size: 12.08 MB

Outline of Mechanism
12
Main Mechanisms
13
Driveline
14
Positions of Electronic Components
15
Control System Block Diagram
16
Operation of Other Electronic Components
17
Disassembly
18
Main Parts
20
Electrical Parts and Motors
32
Thread Release Holder Assy. F Removal
38
Tension Releaser Link Removal
39
AT Pulse Motor Removal
40
Thread Guide Wire Removal
41
Bobbin Winder Mechanism
42
Bobbin Winder Cover Removal
43
BW Holder Supporter Removal
44
Rotary Hook Drive Mechanism / Feed and Bobbin Mechanism / Cutter Assy. Mechanism
45
Coating Clip Removal
46
Lower Shaft a Assy. Removal
47
Needle Bar, Presser Mechanism / Upper Shaft Mechanism
48
Upper Shaft Removal
49
Needle-Presser Module Removal
50
Plate Spring Removal
51
Needle-Presser Module
52
Quilting Foot Removal
53
Spring Removal
54
Needle Holder Guide Assy. Removal
55
Lever AB Assy. Removal
56
Thread Guide Plate Removal
57
Presser Foot Lifter Removal
58
Thread Take-Up Counter Weight Removal
59
Thread Take-Up Lever Link Removal
60
Feed Module
61
Needle Plate a Removal
62
Photo Diode Holder Assembly Removal
63
Lower Shaft B Assy. Removal
64
Stopper Plate Block Assy. Removal
65
Thread Cutter Module
66
Thread Cutter Frame Assembly Removal
67
Cutter Holder Assembly Removal
68
Thread Cutter Lever Assy. Removal
69
Embroidery Parts
70
YPM Cover Removal
71
ES Main Cover Assembly Removal
72
Lead Wire Assembly (EMB Unit FCOMB) Removal
73
Lock Release Lever Assembly Removal
74
Groove Cover Removal
75
XY Carriage Unit Removal
76
X Tension Pulley Assembly Removal
77
X Initial Shutter Removal
78
Y Slider Removal
79
Y Carriage ASSY Disassembly
80
Y Tension Pulley Assembly Removal
81
Y Driving Gear Pulley Assembly Removal
82
Assembly
84
Needle Bar, Presser Mechanism / Upper Shaft Mechanism
85
Plate Spring Attachment
86
Needle-Presser Module Attachment
87
Pulley Attachment
88
Connecting the Needle-Presser Module and Upper Shaft
89
Rotary Hook Drive Mechanism / Feed and Bobbin Mechanism /Cutter Assy. Mechanism
90
Assembling the Lower Shaft a Assembly
91
Lower Shaft a Attachment
92
Thread Cutter Module Attachment
93
Bobbin Winder Mechanism
94
Bobbin Winder Shaft Stopper (Bobbin Winder Assembly Holder) Assembly
95
BW Holder Supporter Attachment
96
Bobbin Winder Cover Attachment
97
Thread Tension Mechanism
98
Spring Tape Attachment
99
Thread Take up Spring Attachment
100
Tension Disk Attachment
101
Thread Tension Gear Attachment
102
Tension Releaser Link Attachment
103
Thread Release Holder Assy. Attachment
104
Tension Plate Attachment
105
Thread Guide Cover Assembly
106
Electrical Parts and Motors
107
Belt Guard Attachment
108
Main Motor Assembly Attachment
109
Connector Holder ASSY Assembly and Attachment
110
PBC Unit LED Lamp-FL Attachment
111
Main Parts
112
Handle Assembly and Attachment
113
Front Cover Assembly (SV Cover Attachment)
114
Front Cover Assembly (Spool Pin Attachment)
115
Touch Panel Assembly Attachment
116
Main PCB Assembly Attachment
117
Front Cover Attachment
118
Free Arm Cover Attachment
119
Face Plate Assembly
120
Embroidery Attachment
121
Needle-Presser Module
122
Shaft Bushing Assembly Attachment
123
Presser Bar Attachment
124
Thread Take-Up Counter Weight Attachment
125
Thread Take-Up Lever Assy. Attachment
126
Presser Foot Lifter Attachment
127
Threader Hook Assy. Attachment
128
Thread Guide Plate Attachment
129
Lever AB Assy. Attachment
130
Lever a Spring Attachment
131
Needle Bar Assembly Attachment
132
Spring (for Needle Bar Supporter Assy.) Attachment
133
Quiltintg Foot Attachment
134
Feed Module
135
Bushing Supporter Assy. Assembly
136
Assembling the Lower Shaft B Assy
137
Lower Shaft B Assy. Attachment
138
Outer Rotary Hook Assy. Attachment
139
Cord Holder Attachment
140
Needle Plate a Assy. Attachment
141
Thread Cutter Module
142
C Pulse Motor Attachment
143
Assembling the Thread Cutter Lever Assy
144
Assembling the Thread Hook Assy
145
Sensor Holder Attachment
146
Thread Cutter Frame Assembly Attachment
147
Embroidery Parts
148
Y Sensor PCB Assembly Attachment
149
Y Tension Pulley Assembly Attachment
150
Y Pulse Motor Assembly Attachment
151
Y Carriage Unit Attachment
152
Cord Guide Attachment
153
X Driving Gear Pulley Attachment
154
X Tension Pulley ASSY Attachment
155
Oil Guard Plate Attachment
156
X Belt Presser Removal
157
Rubber Cushion and Rubber Cushion Cover Attachment
158
ES Base Cover Unit Attachment
159
Groove Cover Attachment
160
X Carriage Cover Attachment
161
Adjustment
162
Needle Point Damage
163
Starting Test Mode
164
List of the Test Mode
165
Touch Panel
166
Timing Belt Tension
167
Motor Belt Tension
168
Fine Tension
169
Upper Thread Tension
170
Needle Left/Right Position
171
Needle Bar Rising
172
Needle Bar Height
173
Clearance between Needle and Rotary Hook Point
174
Needle Threader
175
Presser Bar Height
176
Bobbin Winder
177
Needle and Presser Foot Front/Back Position
178
Inner Rotary Hook Bracket Position
179
Inner Rotary Hook Assy. (Lower Thread) Tension
180
Belt Tension (Embroidery Unit)
181
Embroidery Unit Center Position
182
Failure Investigation for Electronic Parts
184
Error Message List
185
The Power Does Not Come on
186
Pulse Motors Do Not Return to Starting Position
188
The Touch Panel Does Not Work
189
LCD Backlight Does Not Come on
190
Main Motor Does Not Turn
191
Main Motor Rotation Abnormal
193
Cannot Sew Pattern Correctly
194
Thread Tensioning Is Not Correct
195
Thread Cutter Does Not Work Normally
196
Bobbin Winding Cannot be Done
197
Lamp Does Not Come on
198
Bobbin Thread Detection Does Not Work Normally
200
Upper Thread Sensor Does Not Work Normally
201
Card Cannot be Used Normally
202
Embroidery Unit Does Not Operate Normally
204
Error Is Displayed
207
Replacement of Main PCB Assy or Motor PCB Assy
210
Correspondence Table of "Model" and "Printed-Circuit Board"
211
Repair Manual
212
Special Instructions of Wiring
222
Needle Bar Module Wiring
223
Rotary Hook Module Wiring
226
Motor PCB Assembly Wiring
227
Front Cover Assembly Wiring
230
Embroidary Unit Assembly Wiring
231

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Brother NV770E Service Manual (235 pages)

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