Olympus B2-BDS-3 Troubleshooting & Adjustment Manual - Page 7
Browse online or download pdf Troubleshooting & Adjustment Manual for Microscope Olympus B2-BDS-3. Olympus B2-BDS-3 46 pages. For electrical base
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A.
TROUBLESHOOTING
(B2-BDT)
No.
A-3
®
Replace
the lamp.
Is the
lamp
lit
?
YES
NO
+ - - - - - ! B
Are
the
lamp
socket
terminals conduc
ting
wi
th the lamp set on
the
lamp
socket?
YES
NO
Replace the
lamp
socket.
Is
the lamp
lit?
YES
f
~f-C--N_o
_ _
_
the
transistor QlOl
norma
l?
YES
NO
Replace
the QlOl
Is
the lamp
lit?
Replace
the UYPC48.
@,,
_ _
0
2
4
6
7
ODD
DD
LED
display
Normal
if the resistan
ce
value
between
@]
(orange) and
~
(blue) varies smoothl
y
from
0
to
500~
when
the light
intensity
control
lever is slid
with the
Jl02 removed.
Abnormal if
not.
~
Normal if
0.6V or
greater
voltage
is generated between the
base
(yellow) and the
emitter
(brown)
o
f
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
.