Olympus B2-BDS-3 Troubleshooting & Adjustment Manual - Page 11
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-7
3.
Display
3-l
Abnormal
display
UYCP15
UYPC48
Causes
l.
Defective UYPC48
2.
Defective variable resistor RVlOl
3.
Defective power supply part
@)
Is the OV
LED lit when the
main switch
is turned on?
®
®
YES
'
0
NO
Does the 2V
- 7 V LEDs change
with
the adjust ment of the
light
intensity control?
YES
~
NO
Is the variable
resistor
RVlOl
normal?
YES
NO
?
Replace
the RVlOl.
Does the 2V
-
7V
LEDs change
with the adjustment of
the
light intensity
control?
YES
f
~r~-N_O
________
~
Replace
the UYPC48.
®
®
Does the
2V
- 7V LEDs change
with the adjustment of the
light intensity control?
~
YES
Replace the
UYPC48.
NO
Proceed the work according to
"No. A-8
4. Power Supply".
0
2
4
6
7
DDDDD
LED
display
Normal if the resistance
value
between
@]
(orange) and
~
(blue)
varies smoothly
in
0
to
500~
when
the light intensity control
lever
is
slid
with the Jl02 removed.
Abnormal if not.