Olympus BX45 Instructions Manual page 27

Problem
f ) One side of image is blurred.
g) Image appears to waver.
h) Field of view becomes only slightly
brighter when the voltage is raised.
2. Electrical System
a) Bulb intermittently lights and goes
out.
b) Bulb burns out almost immediately. Wrong type of bulb is being used.
c) Brightness does not change when
you turn the Light intensity Install
bulb.adjustment knob.
3. Coarse/Fine Adjustment
a) Coarse adjustment knob is hard
to turn.
b) Objective drifts down by itself or
focus is lost during observation.
c) Coarse adjustment will not go all
the way down. (Objective will not
lower.)
d) Objective makes contact with
specimen before focus is obtained.
4. Observation Tube
a) Field of view of one eye does not
match that of the other.
Cause
Objective is not correctly engaged in light
path.
Stage is not correctly mounted.
Specimen is not correctly mounted on
stage.
Objective is not correctly engaged in
light path.
Condenser is not properly centered.
Condenser is not properly centered.
Condenser is lowered too far.
Bulb is nearly burned out.
A connector is not properly connected.
Light intensity preset switch is set to ON. Press switch to OFF.
Bulb is not installed.
Bulb is burned out.
Lamp socket is not connected.
Tension adjustment ring is tightened ex-
cessively.
You are trying to raise stage without
coarse adjustment knob while pre-focus-
ing lever is kept locked.
Tension adjustment ring is too loose.
Pre-focusing lever is locked at an upper
position.
Specimen is mounted upside down.
Interpupillary distance is incorrect.
Incorrect diopter adjustment.
Different eyepieces are used on left and
right.
Remedy
Make sure that revolving nosepiece
clicks into place correctly.
Re-attach it.
Place specimen correctly on to of
stage and secure it with slide holder.
Make sure that revolving nosepiece
clicks into place correctly.
Center the condenser.
Center the condenser.
Adjust the condenser height position.
Replace bulb.
Check all connectors.
Use correct bulb type.
Install bulb.
Replace bulb.
Connect lamp socket correctly.
Loose ring.
Unlock pre-focusing lever.
Tighten ring.
Unlock pre-focusing lever.
Mount specimen correctly.
Adjust interpupillary distance.
Adjust diopter.
Change on eyepiece to match the
other so that both sides are the same
type.
BX45
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