5 - 5
Fai
lure Investigation
fo
r El
ect
ronic
Part
s
Failure Investigation for Electronic Parts The power is not turned on.
From the previous page
Connect it properly.
N
Is the inverter lead properly connected to
connector CN5 on the panel PCB and
connector on the inverter PCB?
Y
Change inverter leads.
N
Is the resistance between each pin at both ends
1
Ω
or below when inverter leads are removed
from the panel PCB and the inverter PCB?
Y
Change inverter PCB.
Y
Does the machine function normally when the
inverter PCB is replaced with a reliable one?
N
Connect it properly.
N
Is the LCD's lead properly connected to
connector on the inverter PCB?
Y
Connect it properly.
N
Is the FFC for the LCD properly connected to connector
CN2 on the panel PCB and the LCD's connector?
Y
Change FFC for the LCD.
Y
Does the machine function normally when the
FFC for the LCD is replaced with a reliable one?
N
Change panel PCB.
N
Does the machine function normally when the
LCD module is replaced with a reliable one?
Y
Change LCD modules.
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: ......