Bernina 7 Series Manuals

Manuals and User Guides for Bernina 7 Series. We have 4 Bernina 7 Series manuals available for free PDF download: Service And Maintenance Manual, Manual, Workbook

Bernina 7 Series 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 7 Series Service And Maintenance Manual (178 pages)

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

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
USB Host Interface
137
Basting Solenoid
138
Presser-Foot Recognition
139
For Example
139
BSR Foot Interface
141
Menu 5 - Stepping Motors (Mounting Locations in the Machine)
142
What to Test
142
Stitch Width Stepping Motor
142
Presser-Foot Pressure Stepping Motor
143
Upper Thread Tension Stepping Motor
143
Pinning Positions of All Stepping Motors
144
Bobbin Winder Motor
144
Stitch Length Stepping Motor
145
Sideways Motion Stepping Motor
146
Menu 6 - Adjustments
147
What to Test
147
Sewing-Off (Customer's View)
147
Balance
148
Rough Adjustment
148
Fine-Adjustment
149
Fine-Adjustment (Sideways Feed)
151
BDF Balance
152
Buttonhole Calibration
154
Thread Cutter Clamping Mechanism (Magnet)
155
Thread Cutting Process
156
Upper-Thread Tension Reset to Default
157
Resetting to Factory Settings (Reset All)
158
Presser-Foot Height and Presser-Foot Pressure
158
Automatic Upper-Thread Tension
159
Start-/Stop Unit (SSU) Slide Control Calibration
160
Normal SSU Sewing Speed
160
BSR Sewing Mode
161
Menu 7 - Embroidery Module (EMB)
161
What to Test
161
Menu 11 - Check out
162
What to Test
162
Important
162
Check-Out Tests
162
Chapter 6 - Lubrication Diagram
163
Chapter 7 - Firmware Update
168
Update Procedure
168
Update - Alternative Access
170
Chapter 8 - Maintenance Guidelines
171
Purpose of the Maintenance Guidelines
171
Explanatory Notes on the Stitch- and Hour Counter
171
When Is a Cleaning Message Displayed
171
When Is a Maintenance Message Displayed
171
How Are the Stitches Counted
171
Implementation of the Maintenance Intervals
172
Maintenance Intervals
172
Cleaning- and Service-Stitch Reset
172
Wear-And-Tear-Parts Definition
173
Non-Hour-Related Parts
173
Operating-Time-Related Parts
174
Maintenance Checklist
175
Measures to be Taken before the Maintenance
175
Measures to be Taken after the Service
175
Functional Check
176
Maintenance Checklist BERNINA 790 / 770 / 710 / 720
177
Embroidery Module
178
Document Revision History
178

Bernina 7 Series Manual (196 pages)

Brand: Bernina | Category: Sewing Machine | Size: 9 MB

Table of Contents
121
Contents Embroidery
122
Accessory
123
Standard Accessory
123
Embroidery Module
124
Detail View
124
Important Embroidery Information
125
Embroidery Threads
125
Lower Threads
125
Choosing the Embroidery Motif
126
Embroidery Test
126
Scaling/Sizing Motifs
126
Different Stitch Types
127
Underlay Stitches
127
Satin Stitch
127
Step Stitch
127
Connecting Stitches
127
Preparing for Embroidery
128
Attaching the Module
128
Embroidery Foot/Embroidery Needle
129
Straight-/Cutwork Stitch Plate
129
Threading Upper and Bobbin Thread
129
Embroidery Hoop
130
Center Determination
130
Using the Embroidery Hoop
130
Embroidery Template
130
Hooping the Material
130
Stabilizer
131
Stabilizers
131
Adhesive Spray
131
Iron-On Interfacing
132
Paper-Backed Adhesive Stabilizer
132
Water Soluble Stabilizer
132
Functions
133
Overview "Function"-Buttons Embroidery Computer
133
Start/Stop"-Button
133
Presser Foot Position"-Button
133
Automatic Thread Cutter
133
Stitch Width and Stitch Length Knob
133
Speed Control
133
Overview Display
134
Entry to Embroidery Mode
134
Embroidery Alphabet
135
BERNINA Motif
136
My Design
136
Embroidery Motif from USB-Stick (Optional Accessory)
137
Edit"-Display
138
Overview "Edit"-Display
138
General Functions
138
Overview Embroidery Menu
142
Overview Selection Menu
145
Overview Color Display
146
Embroidery Motifs
147
Selecting an Embroidery Motif
147
Alphabets
147
Selecting Alphabet
147
Entering/Correcting Lettering
147
Deleting Lettering
147
Corrections
147
BERNINA Motifs
148
My Designs
148
Motifs in Combination with Functions
149
Move Motif
149
Enlarging or Reducing Motif Proportionally
149
Rotate Motif
149
Mirroring Motifs
150
Motif Center
150
Absolute Embroidery Check
151
Select Hoop
151
Zoom
152
Moving the Motif
152
Motif Size and Embroidery Time
152
Motif Colors
153
Changing the Thread Brand
153
Embroidering Motifs in One Color
154
Basting
154
Deactivating Basting
154
Saving Motifs
155
Embroidery Computer Memory
155
Stick
156
Overwriting Motifs
157
Deleting Saved Single Motif
158
Deleting All Saved Motifs
159
Starting to Embroider Select Hoop
160
Attaching the Embroidery Hoop
160
Attach the Hoop to the Embroidery Arm
160
Removing the Hoop
160
Embroidery Menu
161
Embroidering Using the "Start/Stop"-Button on the Headframe
161
Interrupting the Process
161
Completing the Color
161
Changing Color
161
Embroidery"-Display
161
Embroidering with Foot Control
162
Interrupting with the Foot Control
162
Completing the Color
162
Changing Color
162
Embroidery"-Display
162
Thread Breakage When Embroidering
163
Upper or Lower Thread Breaks
163
Embroidery Sequence Control When Thread Breaks
163
Cleaning
164
Troubleshooting
166
Overview Stitch Patterns
171
Practical Stitches
171
Buttonholes
171
Decorative Stitches
171
Quilt Stitches
173
Alphabets
174
Overview Motifs
177
Alphabets
185

Bernina 7 Series Workbook (54 pages)

Brand: Bernina | Category: Sewing Machine | Size: 9 MB

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