Olympus B2-BDS-3 Руководство по поиску и устранению неисправностей и настройке - Страница 35
Просмотреть онлайн или скачать pdf Руководство по поиску и устранению неисправностей и настройке для Микроскоп Olympus B2-BDS-3. Olympus B2-BDS-3 46 страниц. For electrical base
Печатать страницу
D.
TROUBLESHOOTING (B2-BDS-3)
No. D-4
Check
the lamp
house in-
terior
for any stain
(particularly
the contact
with
the lamp),
and clean
it if
stained.
*
Is
the
lamp
lit normally?
~NO
Are
the
lamp socket
terminals
conducting with the lamp
mounted?
f./0
Replace the
f
YES
0
i
lamp socket.
Is
the
lamp
lit
normally?
YES
t
~
) NO
Is the variable resistor
RVlOl normal.t
t
YES
NO
0
t
I
Replace the RVlOl
Is
the lamp
lit normally?
YES
~
0
NO
®
QV
Measure
the resistance between
CN4
[l]
(brown) and CN4
0
(purple) of the secondary PCB
Ul02 with a multimeter.
Normal
if the resistance
value var
ies
smoothly from
0
to
2k~.
Abnormal
if
not.