Kowa K9L48B, Service Manual, Page: 49 / 60

GG-09001 Edition 1.3
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４９
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11. Troubleshooting
When you encounter a problem, refer to the following list for an appropriate remedy. Please
contact us when the list can not help you solve the problem successfully.
Irregularity Check item Remedy
Observation lamp does
not light up.
Non-mydriatic Mode is wrongly selected. Switch to Mydriatic Color Mode.
TV Monitoring Mode is wrongly selected. Switch to Mydriatic Color Mode.
Observation lamp is improperly fixed.
Fix the observation lamp properly. Refer
to “12-2 Replacing observation light bulb”.
Observation light bulb is burned out.
Replace with a new replacement bulb.
Refer to “12-2 Replacing observation light
bulb”.
Fuse is blown.
Replace with a new replacement fuse.
Refer to “12-1 Replacing with new fuse”.
The trouble still was not solved, after
confirming all of the above.
Check the voltage on power supply main
PCB, according to “13-2. Power supply
PCB”.
Failure of the power supply PCB, or
SMPS, or Trans is suspected.
Replace failure unit, which is judged from
measured value.
The voltage of the power supply PCB is
normal.
Failure of the lamp socket and cable is
suspected. Replace lamp socket and
cable.
Shutter does not release
with a 35 mm camera
mounted.
Camera back is improperly mounted.
Is
▼
-mark of the camera change-over
indicator on the left hand panel turned
ON?
Mount the camera back properly. When
it is installed improperly,
▼
-mark does not
illuminate.
Film is improperly set. Is
▼
-mark of
the camera changeover indicator on the
left hand panel flashing?
Set film properly. When no film is loaded,
the
▼
-mark flashes.
Is “Polaroid” (
▲
-mark) wrongly selected
as photography optical path by the
camera changeover switch?
Select “35 mm” (
▼
-mark) as photography
optical path. Make sure that
▼
-mark is
turned ON.
Is the buzzer sounding to warn you of an
improper operation?
Remove the filter placed in the filter slot.
Shutter does not release
when using the video
camera connecting
adapter.
Is the buzzer sounding to warn you of an
improper operation?
Picture angle settings of the optical head
unit and the video camera connecting
adapter do not match.
Make sure that the picture angle knobs of
the optical head unit and the video camera
connecting adapter are at the same picture
angle.
This symptom may occur for a moment
immediately after adjusting the picture
angle knob.
For a moment immediately after adjusting
the picture angle knob of video camera
connecting adapter, the system cannot
detect whether picture angle settings of
the optical head unit and the video camera
connecting adapter match or not.
A picture image produced
via the video camera
adapter
has some
shading on its periphery,
or is out of focus in some
areas.
This symptom may occur for a moment
immediately after adjusting the picture
angle knob.
For a moment immediately after adjusting
the picture angle knob of video camera
connecting adapter, the system cannot
detect whether picture angle settings of
the optical head unit and the video camera
connecting adapter match or not.