Olympus BH2 Series - Page 35

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.