Bernina 720 Manuals

Bernina 720 Manuals

Manuals and User Guides for Bernina 720. We have 4 Bernina 720 manuals available for free PDF download: Service And Maintenance Manual, User Manual

Bernina 720 User Manual

Bernina 720 User Manual (192 pages)

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

Table of Contents

Table of Contents
4
Important Safety Instructions
9
Important Information
12
My BERNINA
14
Introduction
14
BERNINA Quality Control
14
Welcome to the World of BERNINA
14
Overview Machine
16
Overview Front Controls
16
Overview Front
17
Overview Sideways
18
Overview - Back Panel
19
Supplied Accessories
20
Overview Accessories Machine
20
Overview Presser Feet
22
Accessory Box
23
Overview User Interface
24
Overview Functions/Visual Information
24
Overview System Settings
24
Overview Selection Menu Sewing
25
Software Operation
25
Needle, Thread, Fabric
27
Overview Needles
27
Example for Needle Description
29
Thread Selection
29
Needle/Thread Combination
30
Sewing Preparation
31
Before Using the Machine for the First Time
31
Accessory Box
31
Accessory Box Free Standing
31
Storing Accessories
31
Connection and Switching on
32
Connecting the Foot Control
32
Connecting the Machine
32
Attaching the Knee Lifter of the Free Hand System
33
Fixing the Touchscreen Pen
33
Switching the Machine on
34
Foot Control
34
Regulating the Speed Via the Foot Control
34
Raising/Lowering the Needle
34
Spool Pin
35
Swiveling Spool Pin
35
Horizontal Spool Pin
35
Feed Dog
36
Adjusting the Feed Dog
36
Slide-On Table
36
Using the Slide-On Table
36
Presser Foot
37
Adjusting the Presser Foot Position Via the Knee Lifter of the Free Hand System
37
Adjusting the Presser Foot Position Via the Button "Presser Foot Up/Down
37
Changing the Presser Foot
37
Having the Presser Foot Displayed in the User Interface
38
Adjusting the Presser Foot Pressure
38
Instruction for Adjusting the Feed Dog
39
Needle and Stitch Plate
39
Changing the Needle
39
Selecting the Needle in the User Interface
39
Selecting the Needle Type and the Needle Size
40
Adjusting the Needle Position Up/Down
40
Adjusting the Needle Position Left/Right
40
Needle Stop Up/Down (Permanent)
41
Changing the Stitch Plate
41
Selecting the Stitch Plate in the User Interface
42
Threading
42
Threading the Upper Thread
42
Threading the Double Needle
45
Threading the Triple Needle
46
Winding the Bobbin Thread
46
Threading the Bobbin Thread
47
Indicating Fill Level of Bobbin Thread
49
Setup Program
50
Sewing Settings
50
Adjusting the Upper Thread Tension
50
Adjusting the Maximum Sewing Speed
50
Programming the Securing Stitches
50
Adjusting the Hovering Height of the Presser Foot
50
Programming the Button "Pattern End
51
Programming the Button "Thread Cutter
52
Adjusting the Presser Foot Position with Needle Stop down
52
Programming the Button "Quick Reverse
53
Embroidery Settings
53
Adjusting the Upper Thread Tension
53
Adjusting the Maximum Embroidering Speed
53
Centering or Opening Embroidery Motifs in the Original Position
54
Calibrating the Hoop
54
Entering the Fabric Thickness
55
Activating/Deactivating the Function Thread Away
55
Programming the Securing Stitches
56
Adjusting the Thread Cut
56
Changing the Measuring Unit
57
Selecting Personal Settings
57
Monitoring Functions
58
Activating the Upper Thread Indicator
58
Activating the Bobbin Thread Indicator
58
Activating the Audio Signals
58
Machine Settings
59
Selecting a Language
59
Adjusting the Brightness of the Display
59
Adjusting the Sewing Light
60
Calibrating the Display
60
Back to Default Setting
60
Deleting User Data
61
Deleting Motifs on the BERNINA USB Stick
61
Calibrating the Buttonhole Foot #3A
62
Packing the Embroidery Module
62
Reviewing the Total Number of Stitches
62
Registering Details of the Dealer
63
Saving Service Data
63
System Settings
65
Calling up the Tutorial
65
Calling up the Creative Consultant
65
Calling up the Help
65
Using Eco Mode
65
Cancelling any Alterations with "Clr
65
Creative Sewing
66
Overview Selection Menu Sewing
66
Selecting a Stitch Pattern
66
Regulating the Speed
66
Adjusting the Upper Thread Tension
67
Editing Stitch Patterns
68
Changing the Stitch Width
68
Changing the Stitch Length
68
Correcting the Balance
68
Programming Pattern Repeat
69
Mirror Image of Stitch Patterns
69
Editing Stitch Pattern Length
70
Quick Reverse
70
Permanent Quick Reverse
70
Backstepping
70
Combining Stitch Patterns
71
Overview Combi Mode
71
Creating Stitch Pattern Combinations
71
Saving a Stitch Pattern Combination
72
Loading a Stitch Pattern Combination
72
Overwriting a Stitch Pattern Combination
72
Deleting a Stitch Pattern Combination
72
Editing a Single Stitch Pattern
73
Deleting a Single Stitch Pattern
73
Adding a Single Stitch Pattern
74
Mirroring a Stitch Pattern Combination
74
Stitch Pattern Combination Subdivider 1
74
Stitch Pattern Combination Subdivider 2
75
Securing a Stitch Pattern Combination
75
Programming Pattern Repeat
75
Administering Stitch Patterns
76
Saving Settings of Stitch Patterns
76
Saving Stitch Patterns in Personal Memory
76
Overwriting Stitch Patterns from the Personal Memory
76
Loading Stitch Patterns from the Personal Memory
76
Deleting Stitch Patterns from the Personal Memory
77
Saving Stitch Patterns on the BERNINA USB Stick
77
Uploading a Stitch Pattern from the BERNINA USB Stick
77
Deleting Stitch Patterns from the BERNINA USB Stick
78
Securing
78
Securing with the Button "Pattern End
78
Securing Via the Icon "Securing
78
Height Compensation of Uneven Layers
78
Sewing Corners
79
Practical Stitches
80
Overview Practical Stitches
80
Sewing Straight Stitch
82
Securing with the Automatic Securing Program
83
Sewing in the Zipper
83
Sewing both Sides of the Zipper from Bottom to Top
84
Sewing Triple Straight Stitch
85
Sewing Triple Zig Zag
86
Manual Darning
86
Automatic Darning
88
Reinforced Darning, Automatic
89
Finishing Edges
89
Sewing Double Overlock
90
Narrow Edgestitching
90
Wide Edgestitching
91
Edgestitching Using the Seam Guide
91
Sewing Hem Edges
92
Sewing Blind Hems
92
Sewing Visible Hems
93
Sewing Flat Joining Seams
94
Sewing Basting Stitches
94
Decorative Stitches
95
Overview Decorative Stitches
95
Bobbin-Play
96
Sewing Cross Stitches
97
Pintucks
97
Overview Pintuck Feet
98
Working with Cord
99
Sewing Pintucks
100
Alphabets
101
Overview Alphabet
101
Creating Lettering
101
Buttonholes
103
Overview Buttonholes
103
Making Use of the Height Compensation Tool
104
Using the Compensation Plate
104
Marking Buttonholes
105
Cord
106
Using Cord with the Buttonhole Foot with Slide #3A
106
Using Cord with the Buttonhole Foot #3
107
Sewing a Test Sample
108
Determining the Buttonhole Slit Width
108
Determining the Buttonhole Length with the Buttonhole Foot with Slide #3A
109
Determining the Buttonhole Length with Buttonhole Foot #3
109
Sewing a Buttonhole Automatically
110
Programming the Heirloom Buttonhole
111
Sewing the Manual 7-Step Buttonhole
111
Sewing the Manual 5-Step Buttonhole
112
Cutting the Buttonhole Open with the Seam Ripper
113
Cutting Open Buttonholes with the Buttonhole Cutter (Optional Accessory)
113
Sewing on Buttons
113
Sewing Eyelets
114
Quilting
115
Overview Quilt Stitches
115
Quilting, Securing Program
116
Sewing Handlook Quilt Stitches
116
Guiding the Quilt Work Freely
117
BERNINA Stitch Regulator (BSR)
119
BSR Mode 1
119
BSR Mode 2
119
BSR Function with Straight Stitch No. 1
119
BSR Function with Zigzag No. 2
119
Sewing Preparations for Quilting
119
Attach the BSR Presser Foot
119
Changing the Presser Foot Sole
120
Using the BSR Mode
120
Securing
121
Securing in BSR1 Mode with the Button "Start/Stop
121
Securing in BSR2 Mode
122
My BERNINA Embroidery
123
Overview Embroidery Module
123
Supplied Accessories Embroidery Module
123
Overview Accessory Embroidery Module
123
Overview User Interface
125
Overview Functions/Visual Information
125
Overview System Settings
125
Overview Selection Menu Embroidery
126
Important Embroidery Information
126
Upper Thread
126
Bobbin Thread
127
Choosing the Embroidery Motif
127
Selecting the Embroidery File Format
127
Embroidery Test
127
The Size of the Embroidery Motif
127
Embroidering Motifs by Third-Party Providers
127
Underlay Stitches
128
Satin or Leaf Stitch
128
Step Stitch
128
Connecting Stitches
129
Embroidering Preparation
130
Attaching the Module
130
Preparing the Machine
131
Lowering the Feed Dog
131
Selecting an Embroidery Motif
131
Embroidery Foot
131
Attaching the Embroidery Foot
131
Selecting the Presser Foot in the User Interface
132
Needle and Stitch Plate
132
Inserting the Embroidery Needle
132
Selecting the Embroidery Needle in the User Interface
133
Selecting the Needle Type and the Needle Size
133
Attaching the Stitch Plate
134
Selecting the Stitch Plate in the User Interface
135
Thread-Up Command
135
Embroidery Hoop
135
Overview Embroidery Hoop Selection
135
Selecting the Embroidery Hoop
136
Tear-Away Stabilizers
136
Cut-Away Stabilizers
136
Using Adhesive Spray
136
Using Spray Starch
136
Using Iron-On Interfacing
137
Using Paper-Backed Adhesive Stabilizer
137
Using Water-Soluble Stabilizer
137
Preparing the Embroidery Hoop
137
Attaching the Hoop
138

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Bernina 720 User Manual

Bernina 720 User Manual (175 pages)

Brand: Bernina | Category: Sewing Machine | Size: 54 MB

Table of Contents

Stitch Pattern Combination Subdivider
1
BSR Mode
1
Table of Contents
4
Important Safety Instructions

12
1 My BERNINA

15
- Introduction
  15
- Further Information
  15
- Key to Signs
  15
- Overview
  16
  - Overview Front Controls
    16
  - Overview Front
    17
  - Overview Sideways
    18
  - Overview Back
    19
- Included Accessories
  20
  - Use of the Power Cable (Usa/Canada Only)
    21
  - Foot Control (Usa/Canada Only)
    22
  - Presser Feet
    22
  - Accessory Box
    23
- Overview Selection Menu on the Left (External Functions/Views)
  24
- Overview Selection Menu below (System Settings)
  24
- Buttons and Icons
  24
- Needle, Thread, Fabric
  25
  - Thread Selection
    27
  - Example for Needle Description
    27
  - Needle/Thread Combination
    27
2 Sewing Preparation

29
- Accessory Box
  29
  - Accessory Box Free Standing
    29
  - Storing Accessories
    29
- Connection and Switching on
  30
- Foot Control
  31
  - Sewing Speed Control
    31
  - Raising/Lowering the Needle
    32
- Spool Holder
  32
  - Installing the Spool Holder
    32
  - Inserting Foam Pads
    33
  - Positioning the Spool Disc
    33
  - Using a Spool Net
    33
- Free Arm
  34
  - Adjusting the Feed Dog
    34
  - Using the Slide-On Table
    34
- Presser Foot
  35
- Adjusting the Feed Dog
  37
- Checking the Filling Level of the Bobbin Thread
  37
- Needle and Stitch Plate
  37
- Threading
  40
  - Threading Preparation
    40
  - Threading the Upper Thread
    40
  - Threading the Double Needle
    43
  - Threading the Triple Needle
    43
  - Winding the Bobbin Thread
    44
  - Threading the Bobbin Thread
    45
- Calling up the Tutorial
  47
- Calling up the Help
  47
- Calling up the Creative Consultant
  48
3 Setup-Program

49
4 Creative Sewing

65
5 Practical Stitches

78
- Overview Practical Stitches
  78
- Sewing Straight Stitch
  80
- Securing with the Automatic Securing Program
  80
- Sewing in the Zipper
  81
- Sewing both Sides of the Zipper from Bottom to Top
  82
- Sewing Triple Straight Stitch
  83
- Sewing Triple Zig Zag
  83
- Manual Darning
  84
- Automatic Darning
  86
- Reinforced Darning, Automatic
  87
- Finishing Edges
  87
- Sewing Double Overlock
  88
- Narrow Edgestitching
  88
- Wide Edgestitching
  88
- Edgestitching Using the Seam Guide
  89
- Sewing Hem Edges
  89
- Sewing Blind Hems
  90
- Sewing Visible Hems
  91
- Sewing Flat Joining Seams
  92
- Sewing Basting Stitches
  92
6 Decorative Stitches

93
- Overview Decorative Stitches
  93
- Bobbin-Play
  94
- Sewing Cross Stitches
  95
- Pintucks
  95
  - Inserting the Cord
    96
  - Sewing Pintucks
    97
7 Alphabets

98
- Overview Alphabet
  98
- Creating Lettering
  98
8 Buttonholes

100
9 Quilting

112
- Overview Quilt Stitches
  112
- Sewing in the Quilting Securing Program
  113
- Sewing Handlook Quilt Stitches
  113
- Guiding the Quilt Work Freely
  114
10 BERNINA Stitch Regulator (BSR)

115
- Using the BSR Mode
  115
- BSR Mode
  116
- BSR Function with Straight Stitch no
  116
- BSR Function with Zig Zag no
  116
- Sewing Preparation
  116
  - Attach the BSR Presser Foot
    116
  - Changing the Presser Foot Sole
    117
- Securing
  118
  - Securing in BSR1 Mode with the Button «Start/Stop
    118
  - Securing in BSR2 Mode
    118

Bernina 720 Service And Maintenance Manual

Bernina 720 Service And Maintenance Manual (225 pages)

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

Table of Contents

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

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Bernina 720 Service And Maintenance Manual

Bernina 720 Service And Maintenance Manual (178 pages)

Brand: Bernina | Category: Sewing Machine | Size: 7 MB

Table of Contents

Table of Contents
2
Chapter 1 - General Information
6
Safety Regulations
6
Warning: Dangerous Voltage Levels
7
ESD-Related Note: Electrostatic Discharge (ESD)
8
Tools and Gauges
9
Handling Adjustments
12
Abbreviations / Names Used
12
Cleaning
13
Technical Details of the New 7 Series
14
Chapter 2 - Electronics and Wiring
15
PCBA-Base - General Information
15
PCBA-Base (B790, B770, B740, B720)
15
PCBA-CPU-Module (ARM9) - General Information
16
PCBA-CPU-Module / ARM9 (B790, B770, B740, B720)
16
Pcba
17
PCBA Left Front Cover (B790, B770, B740, B720)
17
PCBA Right Front Cover (B790, B770, B740, B720)
18
PCBA-Power (B790, B770, B740, B720)
19
PCBA-Threader (B790, B770, B740, B720)
20
PCBA-Dual-Feed Sensor (B790, B770, B740)
20
PCBA-Position (B790, B770, B740, B720)
20
Pcba-Ret (B790, B770, B740, B720)
21
PCBA Feed-Dog Drop Detection (B790, B770, B740, B720)
21
PCBA-Lower-Thread Observer (B790, B770,B720)
22
PCBA-Accessories Connector
22
PCBA-Presser-Foot Height Sensor (B790, B770, B720)
22
Sensor Support ABC (Presser Foot Recognition) (B790, B770, B740, 720)
23
Cable Harness
24
BERNINA 790 Block Diagram (B770, B740, B720)
25
Handling of Electronic Components
26
Returning Defective Electronic Components
26
Repairs of Electronic Components (Pcba's)
26
Chapter 3 - Removal and Refitting of Components
27
Covers
27
Head Cover
27
Rear Cover
27
Front Cover
28
Free Arm Cover
29
Free Arm Cover Plate
30
Base-Plate Cover
31
Belt Cover
32
Electronics and Sensors
33
Front Left and Front Right PCBA-Covers
33
Stitch-Length and Stitch-Width Adjusting Knobs
34
Winder Unit
34
Winder Motor
35
LC Display / Touchscreen
36
PCBA-RET / Rubber Key Pad / Ribbon Cable
37
PCBA-Base
38
PCBA-CPU-Module
40
EEPROM (Electrically Erasable Programmable Read-Only Memory)
41
Freearm LED Sewing Light
42
PCBA-Power Including PCBA Housing
43
PCBA-Power
44
Head Frame LED Sewing Light
45
Presser-Foot Height Sensor
46
PCBA-Threader
47
Sensor Support ABC (Presser-Foot Recognition Sensor)
47
PCBA-Dual Feed Sensor
48
PCBA-Accessories-Interface
48
Embroidery Module Interface (BERNINA 780 and 750)
49
PCBA-Lower-Thread-Sensor
50
Mechanical Components
51
Hook and Hook Driver
51
Stitch Plate Support with Integrated Thread Cutter Unit
54
Blade Change on Mounted Thread Cutter Unit
55
Thread-Tension Unit
57
Mechanical Basic Setting of the Thread Tension
59
Clutch Carriage
61
Threader Head
63
Needle Bar Support
64
Needle Bar
66
Needle Clamp
67
Threader Mechanism
68
Main Motor
69
Dual Feed
70
Thread Take-Up
71
Restraint Guided Feed Advance Link Lever
72
Stitch-Length Crankshaft
74
Base Shaft
75
Stitch-Length Stepping Motor
76
Sideways-Motion Stepping Motor (B780)
77
Presser-Foot Pressure Stepping Motor
78
Stitch-Width Stepping Motor
79
Presser-Foot Pressure - Toothed Rack Bearing
80
Chapter 4 - Settings
81
Basics - General Information
81
Belt Tensions
82
Upper / Base Shaft Tension
82
Drive Motor
83
Head-Frame Plate Position
83
Position of Head-Frame Plate/Stitch Plate in y Direction
83
Position of Head Frame Plate/Stitch Plate in X-Direction
84
Presser-Foot Settings
85
Darning Foot Height
85
Presser-Foot Fixation
86
Needle Settings
87
Distance between Needle Bar and Presser-Foot Bar
87
Needle Distribution
88
Zigzag Stitch Width Limiter
89
Hook, Needle Drive and Feed-Dog Movement Synchronization
90
Feed-Dog Lift and Advance (Synchronization of Base Shaft and Main Shaft)
90
Loop Lift
91
Needle / Hook Distance
92
Needle Penetration in y Direction
92
Needle Height
93
Feed-Dog Settings
94
Position of Main Feed-Dog Within Stitch Plate in X Direction
94
Dual Feed: X-Direction Positioning against Main Feed-Dog
95
Leveling of Main Feed-Dog (0.9-1.0Mm)
96
Main Feeding Balance - Mechanical Basic Setting
97
Feed-Dog/Dual Feed Synchronization
99
Dual Feed Balance - Basic Mechanical Setting
100
Clutch Carriage / Thread Cutter
101
Clutch Carriage Solenoid
101
Clutch Carriage
102
Timing of Clutch Carriage
103
Thread Cutter
104
Synchrinising Disc
105
Rough-Adjustment
105
Fine-Adjustment
105
Threader
106
Basting Device
107
Needle Bar Guide
107
Checking the Timing of Disengagement
108
Thread Regulator
109
Thread Tension
110
Upper-Thread Tension
110
Lower Thread Tension (Basic Setting)
111
Winder
111
Lower-Thread Sensor Position
112
Chapter 5 - Service Program
113
Menu 1 - Service Information
116
Machine Basic Data
116
Machine Soft- and Firmware Data
116
Machine Operating Time Data
117
Machine Stitch Counter Data
117
BSR (BERNINA Stitch Regulator) Data
117
Machine Servicing Data
118
Saving / Loading Customer Data
119
Customer Data
119
Dealer Data
120
Log File
120
Menu 2 - Display, Buttons
121
What to Test
121
Touchscreen Calibration
121
LC Display (Screen)
122
Blank Dark LC Display (Screen)
122
Blank White LCD (Screen)
122
RGB (Red, Green and Blue) Screen
123
Keyboard Lights
123
Led's and Brightness
124
Menu 3 - Sensors (Mounting Locations in the Machine)
125
What to Test
125
Threader Sensor
125
Overlift Presser Food Switch (Presser Foot Height Sensor)
126
Lower-Thread Sensor
127
Feed Dog Drop
128
Dual Feed Recognition Sensor
129
Bobbin Winder Switch
130
Free Hand System FHS
131
Menu 4 - Signals
132
What to Test
132
Stitch Width and Stitch Length Knob(S)
132
Functions of Keys and Buttons on Machine
133
Start-/Stop Slide (SSU)
133
Foot Control
134
PS2 Interface
134
Upper Thread Sensor
134
BERNINA Stitch Regulator (BSR)
135
PCBA-Position
135
Mechanical Fine-Adjustment of Synchronization Disk
136
Speaker
137

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