Olympus BH2 Series - Page 14

A. TROUBLESHOOTING (B2-BDT)
No. A-10
QD Is the primary side voltage
selector with SW102 normal?
®
f YES
0---------,
NO t
I Replace the SW102.
Is power supplied normally?
~-NO-
Is the
output of the diode
bridge
DBlOl normal?
YES
NO
Replace the DBlOl.
Is power supplied normally?
YES
• .----0 NO
( END)
Replace the UYPC48.
Black
@ Are the terminals of the AC inlet
JlOl and the main switch SWlOl,
GND (WlOl) conducting?
GND
4
I
® Normal if the resistance values
between the terminals of the main
switch SWlOl are as shown below
when measured with a multimeter.
3
I
'
4
~
I
,..,
c.
ON
l
OFF
ON
2
OFF
ON
3
OFF
0-+ Conducting
X+ Opened
2
3
4
o ·
6
6
X
X
X
6
6
X
0
X
!::::. -+ l5 r2
Q) Remove the SW102 and check it for
continuity. Normal if it is as
shown below. Record the wire colors
connected to each terminal.
Black -+ COM Purple -+ lOOV (220V)
Blue -+ llSV (240V)
-----------
Black
Purple
Q)
lOOV(220V)
Blue
Purple
;::1
rl
X
X
a:!
llSV (240V)
0
X
.I<:
l00V(220V)
0
u
nj
rl
ll5V(240V)
a:!
X
0 -+ Conducting X -+ Opened