Canon PowerShot 350 Service Manual - Page 67

Focus, Adjustment

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Part 3: Repair Information 3.3 FOCUS ADJUSTMENT PURPOSE: Adjusting focus. Focus Adjustment chart (Any subject) PREPARATION: 1) Remove the Front Cover. 2) Place a subject at 2m away from a camera. 2.0m To Data Transfer unit To Oscilloscope To AC Adaptor Fig. 3-15 Focus-1 3) Set the camera in Monochrome mode. CMD $28 ADR $E01A DATA $1 RET ADJUSTMENT: 1) Loosen the Back Focus Adjustment Screw. 2) Set the Macro lever in the very end of infinity side. 3) Move the Back Focus Lever to the very end of Macro side, then adjust the focus to the best focus point with moving the Lever to infinity side gradually. Do not return the Back Focus Lever to Macro side for adjustment. When you need to back it, back it to the end of Macro side again and move it to infinity side. 4) Tighten the Back focus Adjustment Screw when the Back Focus Lever is adjusted to the best focus point. Back Focus Adjustment Screw Macro Lever 5) Cancel the mode. Fig. 3-16 Back Focus Back Focus Lever CMD $28 ADR $E01A DATA $0 RET 3-17

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Part
3:
Repair
Information
3.3
FOCUS
ADJUSTMENT
PURPOSE:
Adjusting
focus.
PREPARATION:
Focus
Adjustment
chart
(Any
subject)
2.0m
1)
Remove
the
Front
Cover.
2)
Place
a
subject
at
2m
away
from
a
cam-
era.
To
Data
Transfer
unit
To
Oscilloscope
To
AC
Adaptor
Fig.
3-15
Focus
-1
3)
Set
the
camera
in
Monochrome
mode.
CMD
$28
ADR
$E01A
ADJUSTMENT:
1)
Loosen
the
Back
Focus
Adjustment
Screw.
2)
Set
the
Macro
lever
in
the
very
end
of
infinity
side.
3)
Move
the
Back
Focus
Lever
to
the
very
end
of
Macro
side,
then
adjust
the
focus
to
the
best
focus
point
with
moving
the
Lever
to
infinity
side
gradually.
Do
not
return
the
Back
Focus
Lever
to
Macro
side
for
adjustment.
When
you
need
to
back
it,
back
it
to
the
end
of
Macro
side
again
and
move
it
to
infinity
side.
4)
Tighten
the
Back
focus
Adjustment
Screw
when
the
Back
Focus
Lever
is
adjusted
to
the
best
focus
point.
5)
Cancel
the
mode.
CMD
$28
ADR
$E01A
DATA
$1
RET
Back
Focus
Adjustment
Screw
Macro
Lever
DATA
3-17
$0
Fig.
3-16
Back
Focus
RET
Back
Focus
Lever