Olympus BX50 - Electrical System Issues; Adjustment Knob Issues

Pr o bl em Cau se
f)
Visibility IS poor.
You are not using the specified immer-
- Image is not sharp.
sion oil.
e Contrast is po<?r.
Specimen is dirty .
• Details are Indistinct.
Condenser
is dirty.
Inappropriate slide or cover glass thick-
ness.
01
Part of the image is
The revolving nosepiece is not properly
blurred.
mounted.
The Objective is not properly positioned
in the ight path.
The specimen is not properly mounted
01"1 the stage.
hi
The image appears to
The revolving nosepiece is not properly
waver.
mounted.
The objective is
not properly positioned
in the light path.
The condenser is not property centered.
,I
The field of view be-
The COrIdenser is not property centered.
comes only
slightly
brighter when the volt- The condenser is lowered too far.
age is raised.
2. Electrical S ystem
.1
The bulb intermittentty The bulb is nearly burned out.
lights and goes out.
A connector is not properly connected.
b) The
bulb burns out
almost immediately.
You
are using the wrong type of bulb.
cl
Light intensity does not The light preset button is set ON.
change when you move
the
light intensity lever.
dI
The voltage indicator The vohage selector SWitch IS set to
LEOs do not light. or the
the wrong position.
bulb does not light.
,I The voltage indicator
LEOs
all light. and are
The
halogen bulb is not installed.
not affected by the light
intensity lever.
The bulb is burned out.
The
lamp housing output connector is
disconnected.
3. Coarse/Fine Adjustment
.1
The coarse adjustment The tension adjustment ring is over-
knob is hard to turn.
tightened.
You are trying to raise the stage with
the coarse adjustment knob even
though the coarse adjustment stopper
is locked.
b) The stage Pc0es down
by itself, or ocus is lost
The tension adjustment ring is too loose.
in the course of ob-
servation.
•
Remedy
Use the oil provided.
Clean.
Change to glass of appropl'iate thickness.
Press the slider in firmly until it comes
up against the stop.
Make sure that the objective clicks proper -
Iy into place.
Put the specimen properly on top of the
stage
and secure it properly with the
specimen clamp.
Press the slider in firmly until it comes
up against the stop.
Make sure that the objective
clicks proper-
Iy into place.
Center
the condenser.
Center
the COfIdenser.
Adjust the condenser poSition.
Replace the bulb.
Check all COfInections.
Use a bulb of the rated type.
Press the button to
OFF.
Set the switch to the position matching
to the
local line voltage (1{)Cl-120Vor
220 - 240V).
Install the bulb.
Replace
the bulb.
Property connect the lamp housing output
connector.
Loose the ring.
Unlock the stopper.
Tighten the ring.
BX50
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