DFD6361-Maintenance - 第294页

D-9 Handling touch panel pr oblems (C ontinued) The touch panel of the machine is the liquid cr y stal display (LCD). You may encounter the following phenomenon which seem s to be a fa ult. Please take note that they are…

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D-8
Handling touch panel problems (Continued)
Problem Cause What and how to check Judgment Remedy
Maintenance
personnel level
Hazard
level
Measuring
instruments, tools or
replacement parts
Protective
gear
The touch
panel image is
abnormal.
The image
brightness is not
adjusted
properly.
Check the intensity of
the back light of the
touch panel.
The brightness can
be adjusted by
controlling the
back light.
Contact your
nearest
DISCO
office.
DISCO
engineer
The CCD
camera or touch
panel is
defective or its
cable is broken.
Check the cable between
the CCD camera and
ALU board as well as
between the touch panel
and ALU board.
If the image is
abnormal even
when the cable is
properly
connected, the
cable may be
broken or CCD
camera or touch
panel is defective.
Contact your
nearest
DISCO
office.
DISCO
engineer
Digital tester
The PC or ALU
board is
defective.
Contact your
nearest
DISCO
office.
DISCO
engineer
Power circuit is
faulty.
Contact your
nearest
DISCO
office.
DISCO
engineer
D-9
Handling touch panel problems (Continued)
The touch panel of the machine is the liquid crystal display (LCD). You may encounter the following phenomenon which seems
to be a fault. Please take note that they are not faults but the optical characteristics of the liquid crystal materials.
Problem Cause What and how to check Judgment Remedy
Maintenance
personnel level
Hazard
level
Measuring
instruments, tools or
replacement parts
Protective
gear
Unevenness of
screen image
LCD
characteristics
-
Not fault
-----
There are bright
spots and dark
spots.
LCD
characteristics
-
Not fault
-----
D-10
1-5. Microscope Light Source Problems
Handling microscope light source problems
The causes, check points, judgment and remedies for the microscope light source problems are as described below.
Problem Cause What and how to check Judgment Remedy
Maintenance
personnel level
Hazard
level
Measuring
instruments, tools,
replacement parts
Protective
gear
The halogen
lamp of the
light source
box does not
light.
The halogen
lamp of the light
source box is
burnt.
Turn OFF the facility
power supply and then
check the halogen lamp
of the light source box.
The halogen lamp
is burnt.
Replace the
halogen lamp.
For the
replacement
procedure,
see the
section F-1-2
of this
manual.
Maintenance
personnel
Digital tester
AQLM-100
The power
switch of the
light source box
is OFF.
Check whether the
power switch of the light
source box is ON.
The switch is
OFF.
Turn ON the
switch.
Maintenance
personnel
The light source
box is defective
or its cable is
broken.
Check whether 200 VAC
single-phase is supplied
to the light source box
when the machine is
turned ON.
If not, turn OFF the
facility power supply
and then check the cable.
The halogen lamp
does not light
even when the
power is properly
supplied, the cable
may be broken or
the light source
box may be
defective.
Contact your
nearest
DISCO
office.
DISCO
engineer
Digital tester