Block Diagram (Lk-1930) - JUKI LK-1910 Engineer's Manual

(2) Block diagram (LK-1930)

Operation panel
sheet
J71
Operation
LCD J72
circuit board
asm.
J73
FDD
(4_A) U DET
SERVO
15P Encorder relay cable asm.
MOTOR
P29
4P Servo motor cable asm.
P28
Power cable asm. SW
Power cord asm.
Machine head grounding cable asm.
Panel signal cord asm.
FDD signal cord asm.
FDD power source cord asm.
Machine head sensor relay cable asm.
SERVO signal
3P
cord asm.
J3 J4
8P J2
30P
J1
SERVO circuit
board A asm.
3P J8 J6 4P
J9
2P
SERVO power
SERVO power
A cord asm.
B cord asm.
J33
J36
J30
Transformer power cord asm. J31
POWER circuit
board asm.
TERMI TR J38
J32
NAL
Transformer
asm.
Voltage changeover
cord asm.
(100V system only)
J85
MARKING LIGHT
− 167 −
J16
24P
J14
MAIN circuit
J13
board asm.
J12
J11
30P
(PEDAL, J18)
J10 J24
MP power cord asm.
PMDC signal
cord asm.
J37
J61 J60
J62
J34
Stepping motor cable asm.
12P
PMDC circuit
board asm.
J99
2P
P99
FAN asm.
THM
(J4) DIR
(P4) P58
(J20) (P20)
P27 X ORG
J27
2P (J21) (P21) P57
Y ORG
TH BRK
(J22)
(P22)
EM STP
Machine head sensor relay cable asm.
OUT-P SOL
(J13) (P13)
U DET
(1_B)
(J53) (P53) IN-P SOL
(J12) (P12) TRM SOL
(J55) (P55) WIPER SOL
Solenoid cable asm.
J18
8P
J59
OPTION
T-REL SOL
2P
J17 Solenoid valve
Solenoid valve
relay cable asm. cable asm.
20P
J79
OPRE-R SW
3PEDAL
J19
Asm
OPRE-L SW
10P
(A-TYEP STANDARD)
START SW
P60
J20 1PEDAL
PRESS SW
Asm
START SW
9P (S-TYEP STANDARD)
P61
(J14)
X PM
Y PM
(J15)
J78 AIR SW
AIR OPRE-R
J91
AIR OPRE-L
J92
FU-02S (L)
OPTION
Needle cooler
OPTION