Flow B: Control Panel Check Flow - Canon imageRUNNER ADVANCE C3325 Series Service Manual

Flow■B:■Control■Panel■Check■Flow
● Control■Panel■Check■Flow ■
Press the Volume key several
times to start work with the
operation sound heard.
Is the operation
Yes
sound heard when hard keys
are pressed?
No
sound heard when the Touch
Is the operation Yes
sound heard when the Touch
Panel is pressed?
No
Replace the
Numeric Keypad PCB.
(1)
Yes
Is 12V supplied to
the Control Panel?
No
(2)
Is 12V supplied to Yes
the Low-Voltage
Power Suply PCB?
Replace the harness.
No
Replace the Low-voltage
Power Supply PCB.
6
Troubleshooting■>■Startup■System■Failure■Diagnosis■>■Flow■B:■Control■Panel■Check■Flow
Is the operation
Yes
Panel is pressed?
No
Replace the
Remove the Control
Touch Panel. Panel CPU PCB.
(3)
Is the Control Panel
Yes
displayed after replacing the
Control Panel CPU PCB?
The Control Panel CPU
No
PCB was faulty. End the
flow as the PCB has
already been replaced.
Return the Control Panel
CPU PCB to its original position,
and replace the Main Controller Unit.
6 Troubleshooting■>■Startup■System■Failure■Diagnosis■>■Flow■B:■Control■Panel■Check■Flow
● Check■item ■
Item Check■item
(1) Control■Panel■CPU■
PCB
J1118:■12V
(2) Low-voltage■Power■
Supply■PCB
J314:■12V
(3) Control■Panel■CPU■ End■the■flow■if■the■display■is■recovered■after■replacing■the■Control■Panel■
PCB CPU■PCB.
If■it■is■not■recovered,■the■cause■is■a■failure■on■the■Main■Controller■side.■
Return■the■Control■Panel■CPU■PCB■to■its■original■position,■and■replace■
the■Main■Controller■Unit.
F-6-17
Location
11.95v
11.95v
6-18
T-6-12
6-18