Olympus B2-BDT Troubleshooting & Adjustment Manual - Page 10
Browse online or download pdf Troubleshooting & Adjustment Manual for Microscope Olympus B2-BDT. Olympus B2-BDT 46 pages. For electrical base
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A.
TROUBLESHOOTING
(B2-BDT)
Replace the QlOl.
Is the lamp normally
lit?
YES
•
~~N-0-----1B
Replace the UYPC48.
2-4
Lamp burns out.
S\J 101 S\J 102
F101
~
channe~
T101
Causes
No. A-6
UVPC4B
l.
Defective transistor QlOl
2.
Defective UYPC48
@
Is the transistor QlOl
normal?
NO
l
YES
0---------,
t
I
Replace the QlOl.
I
Is the
lamp lit?
I
YES
-t
~NO
I
Replace the UYPC48.
J
G0
Normal if 0.6V or greater voltage
is
generated between the base
(yellow)
and the emitter
(brown)
of QlOl
when
measured
with a
multimeter with
the light intensity
control
lever
set to
the
Max. position.
Abnormal
if
the voltage is
lower than
0.6V.