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(4) NO AUTOFOCUS OPRATION
NO
NO
1
Does the video
level increase?
Camera circuit faulty.
Increase the illumination
of the subject.
VIDEO SIGNAL:
360mVp-p or more
Connect an oscilloscope
to video output
Does zoom operate
normally?
See "(1) No zoom and
focus operation."
NO
YES
YES
YES
3
TL1346:3V
TL1344:PULSE
Lens block faulty.
IC1201 faulty.
R1204 faulty.
Q1201 faulty.
Check the 3V line
Correct the connections
of the flat cable.
NG
OK
NG
OK
NG
OK
Check the connections
of the lens flat cable.
1
Set the zoom to the
wide-angle end.
Point at the objects
from the infinity to
close-up ends.
Is there a point at
which focus is obtained
between the infinity
and close-up ends?
Check IC1201 and
EEPROM
NO
OK
NG
YES
TL1336:PULSE
2
3
Initialize the unit
and adjust autofocuss.
Does autofocus
operate normally?
IC1201 faulty.
END
NO
YES
Note:
For the item marked , perform all
the adjustments required when the
unit is initialized, before
adjusting autofocus.