Harman Kardon FL8400 - Page 27

FL8400
Tray
cannot
be
opened
and
closed
by
pressing
“OPEN/CLOSE”
button.
Does
+12
V
or
-12
V
Yes
>Q101,
0102
are
defective.
appear
at
(C106
pin
1
or
77
DIC102
is
defective.
Press
“OPEN/CLOSE”
button
and
check
the
following:
D-
Check:
Does
+5V
appear
Yes
+
Tray
motor.
at
pin?
of
CNT108?
+
Wire
connector
from
CNT108,
+
D125
is
open.
No
Does
clock
pluse
No
pb
Check:
+ Circuit around IC101 for cold solder joints.
+ 0126 is defective.
appear at [C101 pin $47
Yes
After tray
maves in, does it
move out again
automatically?
After tray
moves out, does it
moves in again
automatically?
No
Check ; D Check:
+ Leaf SW of loading motor. + Circuit around 1C101
pin 16 and 17 for
cold solder joints.
+ Wire connactar fram CNT108.
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