User Manuals: Bernina 770 QE PLUS Sewing Machine

Manuals and User Guides for Bernina 770 QE PLUS Sewing Machine. We have 2 Bernina 770 QE PLUS Sewing Machine manuals available for free PDF download: Service And Maintenance Manual, Workbook

Bernina 770 QE PLUS Service And Maintenance Manual (225 pages)

Brand: Bernina | Category: Sewing Machine | Size: 12 MB

Table of Contents
2
Chapter 1 - General Information
7
Kapitel 1 - General Information
7
Safety Regulations
7
Warning: Dangerous Voltage Levels
8
ESD-Related Note: Electrostatic Discharge
9
Tools and Gauges
10
Abbreviations / Names Used
13
Cleaning and Disinfection
14
Technical Details of 7 Series Since 2015
15
Chapter 2 - Electronics and Wiring
17
Kapitel 2 - Electronics and Wiring
17
PCBA-Base - General Information
17
PCBA-Base
17
PCBA EMC Screen Connection
17
PCBA-CPU-Module (ARM9) - General Information
18
PCBA-CPU-Module / ARM9
18
PCBA Front Covers
19
PCBA Left Front Cover
19
PCBA-Right Front Cover
20
PCBA-Power
21
PCBA Needle Threader
22
PCBA-Dual-Feed Sensor
22
PCBA Position
22
Pcba-Ret
23
PCBA Feed Dog Drop Detection
23
PCBA Lower Thread Observer (LTO)
24
PCBA Accessories Connector
24
PCBA Presser Foot Height Sensor
24
Sensor Support ABC (Presser Foot Recognition)
25
Cable Harness
26
BERNINA 7 Series Block Diagram
27
Handling of Electronic Components
28
Returning Defective Electronic Components
28
Repairs of Electronic Components (Pcba's)
28
Chapter 3 - Trouble Shooting
29
Kapitel 3 - Trouble Shooting
29
Electronic Troubleshooting - Flow Diagram
29
Symptoms Overview
29
Information about the Three Main Pcbas
30
PCBA Base
30
PCBA CPU Module
32
PCBA Power Supply
34
Error Codes
34
Error Code Description and Solutions
34
Troubleshooting
36
Symptoms and Repair Approach
36
Flow Charts
38
Thread Cutter: Possible Faults
53
If the Machine Is Mechanically Blocked after the Thread Cut
53
Only One Thread Is Cut During a Thread Cut
53
Sewing Fault after Thread Cut
53
Excessive Sources of Noise
54
Thread Detection
55
Upper Thread Observer
55
Lower Thread Observer
55
Alternative Access to Touchscreen Calibration
56
EEPROM Is Missing or Is Incorrectly Programmed
57
Pop-Up Messages Upon Starting the Machine in Customer Mode
58
The Machine Needs to be Cleaned/Lubricated
58
Cleaning the Thread Cutter
58
Machine Requires Maintenance
59
Error Message Even Though Embroidery Module Is Connected
59
Update Failed
60
Error Messages During Firmware FW Update
60
Other Reasons for Faulty FW Update
61
Case 2: the EEPROM Needs to be Replaced
61
Case 3: Machine Repeatedly Requests an FW Update
61
Case 4: the EEPROM Is Replaced and the Wrong Machine Identification Has Been Loaded
62
Case 5: Wrong FW on PCBA CPU Module
62
Sewing-Off Guideline
63
Straightstitch (Default Settings)
63
Zigzag Stitch (Default Settings)
64
Satinstitching (Stitch Width 5.0, Stitch Length 0.4)
64
Honeycomb Stitch (Default Settings)
65
Customer Sample
65
Standard Buttonhole (Default Settings, Max. Length 20.0 MM)
66
Chapter 4 - Removal and Refitting of Components
67
Covers
67
Head Cover
67
Rear Cover
67
Front Cover
68
Free Arm Cover
69
Free Arm Cover Plate
70
Base Plate Cover
71
Belt Cover
71
Electronics and Sensors
72
Left and Right PCBA Cover
72
Stitch-Length and Stitch-Width Adjusting Knobs
73
Winder Unit
73
Winder Motor
74
LC Display / Touchscreen
75
PCBA-Ret/Rubber Key Pad/Ribbon Cable
76
PCBA-Base
77
PCBA-CPU-Module
79
EEPROM (Electrically Erasable Programmable Read-Only Memory)
80
Free Arm LED Sewing Light
81
PCBA Power Including PCBA Housing
82
PCBA-Power
83
Head Frame LED Sewing Light
84
Overlift Presser Food Switch (Presser Foot Height Sensor)
85
PCBA Needle Threader
86
Sensor Support ABC (Presser-Foot Recognition Sensor)
86
PCBA-Dual-Feed Sensor
87
PCBA-Accessories-Interface
87
Embroidery Module Interface
88
Lower Thread Observer Unit
89
Mechanical Components
90
Hook Driver and Hook Guideway
90
Stitch Plate Support with Integrated Thread Cutter Unit
97
Blade Change on Mounted Thread Cutter Unit
98
Thread Tension
100
Mechanical Basic Setting of the Thread Tension
102
Clutch Carriage
104
Hook Driver Belt Pulley
106
Needle Bar Support
107
Needle Bar
109
Needle Clamp
109
Threader Mechanism
110
Main Motor
111
Dual Feed
112
Thread Take-Up
113
Base Shaft
114
Restraint-Guided Thrust Link
115
Stitch Length of Crank Shaft
117
Stitch Length Stepping Motor
119
Sideways-Motion Stepping Motor
120
Presser-Foot Pressure Stepping Motor
121
Stitch-Width Stepping Motor
122
Presser Foot Pressure - Toothed Rack Bearing
123
Chapter 5 - Settings
124
Kapitel 5 - Settings
124
Basics - General Information
124
Belt Tensions
125
Belt Tension of Main Shaft to Base Shaft
125
Drive Motor
126
Hook Driver Drive Belt Tension
126
Head-Frame Plate Position
127
Position of Head-Frame Plate/Stitch Plate in y Direction
127
Position of Head Frame Plate/Stitch Plate in X-Direction
127
Presser-Foot Settings
128
Darning Foot Height
128
Presser-Foot Fixation
129
Needle Settings
130
Distance between Needle Bar and Presser-Foot Bar
130
Needle Distribution
131
Zigzag Stitch Width Limiter
132
Mechanical Synchronization, Hook Settings, Needle Settings
133
Synchronization of Base Shaft and Main Shaft (Feed Dog Lift and Advance)
133
Loop Lift
135
Needle / Hook Distance
136
Needle Penetration in y Direction
136
Needle Height
137
Feed-Dog Settings
138
Position of Main Feed Dog Within Stitch Plate in X Direction
138
X-Direction Positioning against Main Feed Dog
139
Leveling of Main Feed Dog (0.9-1.0 MM)
140
Main Feeding Balance - Mechanical Basic Setting
141
Feed Dog/Dual Feed Synchronization
143
Dual Feed Balance - Basic Mechanical Setting
144
Clutch Carriage/Thread Cutter
145
Clutch Carriage Solenoid
145
Clutch Carriage
146
Timing of Clutch Carriage
147
Distance between Spring and Clutch Lever
148
Thread Cutter
148
Synchrinising Disc
149
Threader
150
Basting Device
151
Needle Bar Guide
151
Checking the Timing of Disengagement
152
Thread Regulator
153
Thread Tension
154
Upper-Thread Tension
154
Lower Thread Tension (Basic Setting)
155
Winder
156
Position of Lower Thread Observer
157
Chapter 6 - Service Program
158
Kapitel 6 - Service Program
158
Starting the Service Program
158
Menu 1 - Service Information
160
Machine Basic Data
160
Machine Soft- and Firmware Data
160
Machine Operating Time Data
161
Machine Stitch Counter Data
161
BSR (BERNINA Stitch Regulator) Data
161
Machine Servicing Data
162
Saving Customer Data
163
Customer Data
163
Dealer Data
164
Log Data
164
Reset Thread Cutter Counter
165
Menu 2 - Display, Buttons
166
Touchscreen Calibration
166
LC Display (Screen)
167
Blank Dark LC Display (Screen)
167
Blank White LCD (Screen)
167
RGB (Red, Green and Blue) Screen
168
Keyboard Lights
168
Led's and Brightness
169
Menu 3 - Sensors (Mounting Locations in the Machine)
170
PCBA Needle Threader
170
Presser Foot Height Sensor
171
Lower Thread Observer
172
Feed Dog Drop
173
Dual Feed Recognition Sensor
174
Bobbin Winder Switch
175
Free Hand System FHS
176
Menu 4 - Signals
177
Stitch Width and Stitch Length Knob(S)
177
Functions of Keys and Buttons on Machine
178
Start-/Stop Slide (SSU)
178
Foot Control
179
Upper Thread Observer
179
BERNINA Stitch Regulator (BSR)
180
PCBA-Position
180
Speaker
182
USB Host Interface
182
Basting Solenoid
183
Presser-Foot Recognition
184
BSR Foot Interface
186
Menu 5 - Stepping Motors (Mounting Locations in the Machine)
187
Stitch Width Stepping Motor
187
Presser Foot Pressure Stepping Motor
188
Upper Thread Tension Stepping Motor
188
Pinning Positions of All Stepping Motors
189
Bobbin Winder Motor
189
Stitch Length Stepping Motor
190
Sideways Motion Stepping Motor
191
Menu 6 - Settings
192
Sewing-Off (Customer's View)
192
Electronic Balance
193
Buttonhole Calibration
199
Thread Cutter Clamping Mechanism (Magnet)
200
Thread Cutter Cutting Process
201
Upper Thread Tension Reset to Default
202
Resetting to Factory Settings (Reset All)
203
Presser-Foot Height
203
Automatic Upper Thread Tension
204
Start-/Stop Unit (SSU) Slide Control Calibration
205
Normal SSU Sewing Speed
205
BSR Foot Sewing Program
206
Noise Level Check
206
Menu 7 - Embroidery Module (EMB)
207
Menu 11 - Check-Out
207
Chapter 7 - Lubrication Diagram
208
Kapitel 7 - Lubrication Diagram
208
Head Frame
208
Main Feed Dog
209
Threader Mechanism / Needle Drive
210
Toothed-Segment Needle-Bar Support
211
Upper Thread Tension Unit
211
Dual Feed Crank Shaft
212
Dual Feed Lift Cam and Feed Cam Main Shaft
212
Hook/Hook Driver
212
Feed-Dog Fork
213
Base Shaft/Lift Cam and Feed Cam of Main Feed Dog
213
Feed-Dog Crank Shaft
213
Chapter 8 - Firmware Update
214
Kapitel 8 - Firmware Update
214
Update Procedure
214
Alternative Update Process
215
Chapter 9 - Maintenance Guidelines
216
Kapitel 9 - Maintenance Guidelines
216
Purpose and Objective of the Maintenance Guidelines
216
Explanatory Notes on the Stitch- and Hour Counter
216
When Is a Cleaning Message Displayed
216
When Is a Maintenance Message Displayed
216
How Are the Stitches Counted
216
Calculation Table
217
Implementation of the Maintenance Intervals
217
Maintenance Intervals
217
Cleaning- and Service-Stitch Reset
217
Wear-And-Tear-Parts Definition
218
Non-Hour-Related Parts
218
Operating-Time-Related Parts
219
Maintenance Checklist
220
Measures to be Taken before the Service
220
Measures to be Taken after the Service
220
Functional Check
221
Maintenance Checklist BERNINA 7 Series
222
Embroidery Module
223
Kapitel 10 - Document Revision History
224

Bernina 770 QE PLUS Workbook (70 pages)

Brand: Bernina | Category: Sewing Machine | Size: 41 MB

Table of Contents
2
Introduction
4
Preparing to Stitch
5
Personalize the Screen
6
Activate/Deactivate Beginning Tie off
6
Program Thread Cutter and Securing Stitches
6
Breadcrumbs
7
Program Pattern End
7
Program Needle Stop down and Hover
8
Program the Foot Control
8
Stitch Selection
9
Presser Foot Selection
10
Bernina Dual Feed
11
Fine Tune Adjustment-B 880 Plus Only
11
Security Program-Needle
12
Security Program-Stitch Plate Selection
12
Creative Consultant
13
THE 'I' MENU
14
Needle Stop Up/Down-Free Hand System
15
Securing Stitches
16
Permanent Reverse/Backstepping
17
Mirror Image/Pattern Repeat
18
Pattern Functions - Pattern Begin/End
19
Elongation
20
Altered Stitches
21
Temporary Altered Memory
22
Permanently Altered Stitch Memory
22
Saving Stitches in Personal Program
23
Triple Straight Stitch
24
Vari-Overlock Stitch
25
Long Stitch
26
Blind Hem
27
Stretch Stitch
28
Balance
29
Automatic Buttonhole Program
30
Memory Buttonholes
31
Manual Buttonholes
32
Attaching Buttons
33
Creative Consultant-Zipper Information
34
Combi Mode-Stitch Patterns
35
Combi Mode-Lettering
36
Free-Motion Stitching
37
Bernina Stitch Regulator #42
38
Bernina Stitch Regulator Practice
39
Sideways Motion Patterns
40
Multi-Directional Stitching
41
All-Over Directional Stitching
43
Connecting Stitches
44
Connecting Stitches and Move Multiples
45
Stitch Designer Overview
46
Stitch Designer
47
Stitch Designer-B 880 Plus / 790 Plus
49
Stick
51
Imported Stitches from Bernina Software
51
Distortion
52
Reference-Bernina Presser Feet
53
Reference-Sewing Machine Needles
54
Reference-Sewing Machine Needles
55
Reference-Threads
56
Reference-Decorative Stitching
57
Reference-Cleaning and Oiling
58
B 880 Plus Sewing Functions
59
B 790 Plus Sewing Functions
60
B 770 Qe Plus Sewing Functions
61
B 770 Qe Sewing Functions
62
B 740 Sewing Functions
63
B 735 Sewing Functions
64
B 590 Sewing Functions
65
B 570 Qe Sewing Functions
66
B 535 Sewing Functions
67
B 480 Sewing Functions
68
B 475 Qe Sewing Functions
69
B 435 Sewing Functions
70

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User Manuals: Bernina 770 QE PLUS Sewing Machine

Bernina 770 QE PLUS Service And Maintenance Manual (225 pages)

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Bernina 770 QE PLUS Workbook (70 pages)

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