Adjustment Of The Wide-Angle Limit Position - JVC TK-C553U Service Manual

Measuring
No. Item instrument &
Input signals

2.6 ADJUSTMENT OF THE WIDE-ANGLE LIMIT POSITION

• This is to adjust the wide-angle limit position for the zoom ring. This instrument is delivered after the camera has been adjusted.
Thus, there are no adjustment needs except for the replacement of the lens assemblies.
• This unit uses a variable-focal lens, if the wide-angle limit position is not in the right position, the correct focus may not be
obtained depending on the zoom position. Thus, the following adjustment must be performed when replacing the lens assem-
bly.
1 Wide-angle
limit position
adjustment
2-3
Measuring point ( * )
Adjustment points ( - )
Mode
Adjustment level ( + )
AGC MODE
↓
OFF
Focus ring
N ∞
T
Zoom ring
Å
Align the screw and
the ring edge.
(1) Loosen the wide-angle limit setting screw
of the lens.
Å
(2) Turn the focus ring of the lens to the
ı
tion as shown in the left diagram.
(3) Bring a subject at a distance of 3 meters into
focus (A distance of over 3 m can be consid-
ered as infinity (∞)).
W
(4) While aligning the wide-angle limit setting
screw
the limit position, tighten the screw.
Adjustment steps
Å
to the edge of the zoom ring to set
Å
ı
posi-