5 - 9
Fai
lure Investigation
fo
r El
ect
ronic
Part
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Failure Investigation for Electronic Parts Thread breakage detection does not function normally.
Thread breakage detection does
not function normally.
Connect it properly.
N
Y
Y
Is the FFC for the thread quantity sensors
properly connected to each thread quantity
sensor and connectors (CN1 - CN6) on the head
PCB? Is the orientation of the FFC correct?
Connect it properly.
N
Y
Is the head lead properly connected to
connector CN7 on the head PCB and
connector CN8 on the main PCB?
Change thread quantity
sensor's FFC.
N
Y
Is the resistance between each terminal at both
ends 1
Ω
or below when the thread quantity
sensor's FFC is removed from the PCB?
Change head leads.
N
Y
Is the resistance between each pin at both ends
1
Ω
or below when connectors at both ends of
the head leads are removed from the PCB?
Change thread quantity
sensor PCB.
Y
N
Does the machine function normally when the thread
quantity sensor PCB is replaced with a reliable one?
Change main PCB.
N
Does the machine function normally when the
head PCB is replaced with a reliable one?
Change head PCB.
Содержание PR-600II
Страница 1: ......
Страница 2: ......
Страница 20: ...2 2 Main parts Main unit ...
Страница 33: ...2 15 Disassembly Feed unit Main unit ...
Страница 44: ...2 26 Needle thread unit Main unit ...
Страница 47: ...2 29 Disassembly Needle bar change unit Main unit ...
Страница 50: ...2 32 Thread wiper unit Main unit ...
Страница 54: ...2 36 Needle bar unit Main unit ...
Страница 60: ...2 42 Upper shaft unit Main unit ...
Страница 70: ...2 52 Lower shaft unit Main unit ...
Страница 73: ...2 55 Disassembly Power unit Main unit ...
Страница 78: ...2 60 Thread cut unit Main unit ...
Страница 82: ...2 64 Thread tension unit Main unit ...
Страница 91: ...2 73 Disassembly Operation panel Main unit ...
Страница 98: ...2 80 ...
Страница 100: ...3 2 Operation panel Main unit ...
Страница 108: ...3 10 Thread tension unit Main unit ...
Страница 118: ...3 20 Thread cut unit Main unit ...
Страница 122: ...3 24 Power unit Main unit ...
Страница 128: ...3 30 Lower shaft unit Main unit ...
Страница 132: ...3 34 Upper shaft unit Main unit ...
Страница 147: ...3 49 Assembly Needle bar unit Main unit ...
Страница 157: ...3 59 Assembly Thread wiper unit Main unit ...
Страница 162: ...3 64 Needle bar change unit Main unit ...
Страница 166: ...3 68 Needle thread unit Main unit ...
Страница 170: ...3 72 Feed unit Main unit ...
Страница 188: ...3 90 Main unit Main unit ...
Страница 206: ...4 4 Inspection Blunt needle 1 Touch the needle tip with your finger to check that the needle tip is not blunt ...
Страница 244: ...4 4 Inspection Blunt needle 1 Touch the needle tip with your finger to check that the needle tip is not blunt ...
Страница 282: ...4 42 ...
Страница 311: ...6 1 6Maintenance ...
Страница 333: ......