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Bernina 1230 Service Manual

Bernina 1230
39 pages
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BERNINA
Service
manual
1230
(Supplement
to
service
manual
1130/20)
*
FRITZ
GEGAUF
LTD.
Manufacturers
of
BERNINA
Sewing-Machines
8266
Steckborn
Switzerland
88/10
GB
006
807
50
02
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Bernina 1230 Specifications

General IconGeneral
Stitch Patterns30
Buttonhole Styles1
Needle Positions5
Free ArmYes
Needle ThreaderNo
Presser Foot Pressure AdjustmentYes
TypeMechanical
Number of Stitches30
Buttonholes1
Presser Feet5
Maximum Stitch Width5 mm

Summary

Technical Data BERNINA Model 1230

Machine Specifications and Dimensions

Details on stitch length, width, needle system, motor power, weight, and overall machine dimensions.

Features and Functions

Operational Capabilities and Settings

Overview of sewing capabilities, stitch options, automatic functions, and control features.

Component Description

Power, Display, and Control Prints

Description of the L-4200 Power, A-1230 Display, and S-1230 Control prints.

Printed Circuit Board Details

A-1230, S-1230, L-4200 Print Layouts

Visual layout and component identification for the main circuit boards.

Diagnostic Instructions

Voltage Warnings and Safety Precautions

Crucial safety warnings regarding high and low voltage levels during operation and repair.

Test Adaptor L-4200 Usage

Test-Panel 1230 Interface

Service Test Programmes Overview

Service Operation Test Procedure

Starting and Ending Service Tests

Steps for initiating and concluding the machine's service operation mode.

Test A

Print L-4200 Testing

Tests the Print L-4200 for functionality and power supply.

Test B

Print L-4200/R-4200 Interaction

Evaluates the interaction between Print L-4200 and R-4200 during operation.

Test C

S-1230 to L-4200 Connection Check

Checks the continuity of the S-1230 and L-4200 print connection cables.

Test D

Test E

Test F

Test G

Test H1

Test H2

Test I

Test K

Test L

Test M

Test N

Test O

Test P1

Test P2

Test Q

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