5 - 18
Failure Investigation
for Electronic Parts
LED lamp does not light
LED lamp does not light.
Connect it correctly.
N
Y
Y
Are the operation PCB assy. and LED
lamp assy. connected correctly?
Connect it correctly.
N
Y
Y
In case of models equipped with the
LCD back light, is the LCD (back light
PCB assy.) lead wire connected to
the operation PCB assy. correctly?
Replace the power supply
PCB assy.
N
Is the voltage between pin 4 and 3 at
the power supply PCB assy.
connector 30V DC?
Connect it correctly.
N
Are the main PCB assy. and the operation
PCB assy. connected correctly?
Replace the LED lamp assy.
or
Replace the operation PCB assy.
or
Replace the main PCB assy.
Содержание CE-8080PRW
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Страница 17: ...2 2 Main parts Main parts location diagram BasicsofDisassembly ...
Страница 19: ...2 4 BasicsofDisassembly Main parts 4 Removal of Face plate 1 Remove the screw 1 2 Remove the face plate 1 1 1 ...
Страница 21: ...2 6 Electrical parts and motors Electrical parts and motors location diagram BasicsofDisassembly ...
Страница 27: ...2 12 Feed mechanism Feed mechanism location diagram BasicsofDisassembly ...
Страница 29: ...2 14 Bobbin winder mechanism Bobbin winder mechanism location diagram BasicsofDisassembly ...
Страница 31: ...2 16 Bobbin winder mechanism Bobbin winder mechanism location diagram BasicsofAssembly ...
Страница 33: ...2 18 Feed mechanism Feed mechanism location diagram BasicsofAssembly ...
Страница 39: ...2 24 Electrical parts and motors Electrical parts and motors location diagram BasicsofAssembly ...
Страница 44: ...2 29 Basics Main parts Main parts location diagram BasicsofAssembly ...
Страница 49: ...3 2 Main parts Main parts location diagram ApplicationofDisassembly ...
Страница 68: ...3 21 Application Bobbin winder mechanism Bobbin winder mechanism location diagram ApplicationofDisassembly ...
Страница 70: ...3 23 Application Feed and rotary module Feed and rotary module location diagram ApplicationofDisassembly ...
Страница 80: ...3 33 Application Needle presser module Needle presser module location diagram ApplicationofDisassembly ...
Страница 89: ...3 42 Main parts Main parts location diagram ApplicationofAssembly ...
Страница 107: ...3 60 Electrical parts and motors Electrical parts and motors location diagram ApplicationofAssembly ...
Страница 111: ...3 64 Bobbin winder mechanism Bobbin winder mechanism location diagram ApplicationofAssembly ...
Страница 113: ...3 66 Feed and rotary module Feed and rotary module location diagram ApplicationofAssembly ...
Страница 127: ...3 80 Needle presser module Needle presser module location diagram ApplicationofAssembly ...
Страница 190: ...6 9 Special Instructions of Wiring Special Instructions of Wiring Front cover wiring 1 Wiring of LED lamp assy ...
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