Bernina 1230 - Contents

Contents
Page
Technical
data
5
Description
of Print L-4200
6
Print A-1230
6
Print
S-1230
6
Block schematic
model 1230
7
Plug
connections
8
Print A-1230
9
Print
S-1230
10
Print
L-4200
11
Diagnosing
instructions
12
Test
adapter
L-4200
13
Power
supply
- 4200
14
Test
panel - 1230
15
Test programme
with service-panel
16
Warning
against
dangerous
voltages
17
Starting
the
service
programme
17
Ending
the service
programme
17
Diagnosis
18+19
Test
A
L-4200
20
B
Print
L-4200/R-4200
(Drive
signal)
21
C Connection
S-1 230/L-4200
22
D
Mains
cord (cord reel)
23
E
Connection
of
print S-1
230/foot
control
unit
24
F
Print P-4200
25
G
Complete
light holder
26
Hi
Step
motors:
27
o PrintS-1230
o
Hall-sensors
H2
0 Position
Hall-sensorS.L.
28
o Position
Hall-sensor
S.B.
I
Step motors
pinning
position
29
K
Foot control
unit
30
L Foot
control
digital/analog
31
M
Print
A-1230
32
Print S-1230
Print
L-4200
N
Ret-button
33
0
Equalization
of the
forward/reverse
feed
34
P1,2
Buttonhole
35+36
Q
Sewing-off:
37
o Stitch
length
o Stitch
width
o Needle
position
L.C.R.
o Long
stitch
Function
test
38
+ 39
1230 3