Pfaff 4874 Service Manual page 26

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FRONT PANEL
LCD FUNCTION KEY
DT1+
DT1
DT1
DT2+
DT2
DT3+
DT3
DT4+
DT4
DT5+
DT5
SL+
SL
DF+
DF
DTS (DT SENSOR P.C.B.)
SLS (S.L. SENSOR P.C.B.)
DFS (D.F. SENSOR P.C.B.)
DCS (DECO SENSOR P.C.B.)
DCSW
LCD PRINTED CIRCUIT BOARO
LCD
DISPLAY
L
M
P
DTS
1
VCC
2
DT1_ORG
3
DT2_ORG
4
DT3_ORG
5
DT4_ORG
6
DT5_ORG
7
GND
SLS
1
VCC
2
SL_ORG
3
GND
DFS
1
VCC
2
DF_ORG
3
GND
DCS
VCC
1
DECO_ORG
2
3
GND
DCSW
1
2
DC1_SW
3
GND
STEP MOTOR
B
1
C
2
B
3
DT1
DT1
A
4
C
5
A
6
DT2
DT2
1~ 6
DT3
DT3
1~ 6
DT4
DT4
1~ 6
DT5
DT5
1~ 6
SLM
SLM
1~ 6
DFM
DFM
1~ 6
A
1
A
2
DCM
B
3
B
4
CN11
1
2
3
4
5
6
7
8
9
10
11
DCM
FOR MAIN P.C.B.
PV (FOR DCM)
14V
GND
SEWING MOTOR OPERATION SIGNAL
SETTING FOR NUMBER OF REVOLUTIONS
SHUTS THE MOTOR OFF SIGNAL
ENCODER PHASE A
ENCODER PHASE B
TOP DEAD CENTER SIGNAL
3d

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