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Sewing Machine
CS8000 Series
Brother CS8000 Series User Manual
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Failure Investigation for Electronic Parts
Error is displayed
Replace main PCB assy
.
After replacing the motor PCB assy
.,
push the re
verse SW in test mode "10
(S2) or 11 (S3)".
therefore does the
motor rotate normally?
N
Y
OK
"F1 (S2) or F01 (S3)" is displa
yed
S2 :
CS8000 Ser
ies
S3 :
CS8100 Ser
ies
www.promelectroavtomat.ru
193
195
Table of Contents
1 Outline of Mechanism
11
Main Mechanisms
3
Driveline
3
Positions of Electronic Components
3
Control System Block Diagram
3
Main Motor Control
3
Operation of Other Electronic Components
3
Using the Threader
3
Table of Contents
11
2 Disassembly
21
Main Unit Main Parts
23
Front Cover
28
Rotary Hook Drive Mechanism
35
Upper Shaft Mechanism
39
Thread Tension Mechanism
46
Thread Hook Mechanism
54
Modules Needle-Presser Module
57
Feed Module
66
3 Assembly
73
Main Unit Thread Tension Mechanism
75
Thread Hook Mechanism
86
Upper Shaft Mechanism
89
Rotary Hook Drive Mechanism
99
Front Cover
108
Main Parts
116
Modules Needle-Presser Module
123
Feed Module
137
4 Adjustment
151
Needle Curvature
152
Tip Damage to Needle
153
Test Mode
154
Needle-Presser Module and Feed Module Left-Right Position Alignment
156
Timing Belt Tension Adjustment
157
Needle Bar Rise Adjustment
158
Needle Bar Height Adjustment
159
Needle Interference Left/Right Adjustment
160
Cassette Threading Height Adjustment
161
Shuttle Return Timing Adjustment
162
Upper Thread Tension Adjustment
163
Feed Adjustment
164
Presser Bar Height and Parallel Adjustment
165
Clearance between the Needle and the Rotary Hook Point Adjustmen
166
Inner Rotary Hook (Bobbin Thread) Tension Adjustment
167
Bobbin Winder (Uneven Bobbin Winding and Bobbin Winding Amounts) Adjustment
168
Feed Dog Height Adjustment
170
Inner Rotary Hook Bracket Position Adjustment
171
Forward and Back Adjustment of Needle and Presser
172
Adjust the Needle Thread Block
173
BH Lever Switch Position Adjustment
174
5 Failure Investigation for Electronic Parts
175
Power Cannot be Turned on
177
Pulse Motors Do Not Return to Starting Point
178
Pattern Cannot be Selected
179
Main Motor Does Not Turn
180
Main Motor Rotation Abnormal
182
Cannot Sew Pattern Well
183
Cannot Sew Button Holes Well
184
Problems with Vertical Needle Movement and Backstitching
185
Does Not Operate When the Foot Controller Is Used
186
Needle Bar Cutting and Separating Does Not Occur Normally
187
Cassette LED Does Not Light
188
Bobbin Winding Cannot be Done
189
The Workspace Does Not Light
190
LCD Does Not Display Normally (S3:CS8100 Series Only)
192
Buzzer Does Not Sound (S3:CS8100 Series Only)
193
Error Is Displayed
194
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Brother CS8000 Series Specifications
General
Brand
Brother
Model
CS8000 Series
Category
Sewing Machine
Language
English
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