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B.
TROUBLESHOOTING (B2-BDS-2)
No. B-4
@
Is the
lamp
socket
conducting?
YES
0
NO
i
Replace
the lamp socket.
Is the
lamp lit normally?
YES
~,
NO
Check
the lamp house
interior for
any
stain
(particularly the contact
with
the lamp), and clean
it
if
stained
.
•
Is the
lamp
lit
normally?
YES
t
r-ONo
(§)
Is
the variable resistor
RVlOl
normal?
NO
t
YES
i
Replace
the RVlOl.
Is the lamp lit normally?
YEs
_t
~NO
D
Proceed
the
work
according
to
"No.
J-7
4.
Power Supply
~~~
.
@
Check the lamp socket terminals for
continuity with the lamp mounted.
Normal if conducting, and abnormal
if not.
*
Don't touch the lamp by a bare
hand.
Measure the resistance between
CD
(brown) and
@]
(orange) of J201
with a multimeter.
Normal if the
resistance value varies
smoothly
from 0 to 2KD when the light
intensity control lever is slid.
Abnormal if not.