Canon PowerShot 350 Service Manual - Page 68

Halogen

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Part 3: Repair Information 3.4 V-SUB ADJUSTMENT PURPOSE: Minimize blooming when the strong light enters to the lens. There are adjustments for PD-Mix mode and PS mode. PD-Mlx: Monitor mode (NTSC output) PS:Still mode CAUTION: When making adjustment of PS mode, the image looks blinking. Tools: • Data Transfer Unit • Halogen Lamp (The Video Light can be used as a substitution.) • U-Chart (Concave-Character Chart) • ND-4 Filter, White Paper • Oscilloscope • Monitor PREPARATION (PD-MIX) 1) Set the camera in TEST mode. CMD $28 ADR $E01A DATA $1 RET CMD $28 ADR $E114 DATA $30 RET 2) Place the tools as shown below. 3.1 HALOGEN LAMP White paper ND4 / Fixture "U" Chart Fig. 3-17 SetUp 3) Shoot the U-Chart with the standard angle of view. 3-18

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Part
3:
Repair
Information
3.4
V
-SUB
ADJUSTMENT
PURPOSE:
Minimize
blooming
when
the
strong
light
enters
to
the
lens.
There
are
adjustments
for
PD
-Mix
mode
and
PS
mode.
PD-Mlx:
Monitor
mode
(NTSC
output)
PS:
Still
mode
CAUTION:
When
making
adjustment
of
PS
mode,
the
image
looks
blinking.
Tools:
•
Data
Transfer
Unit
•
Halogen
Lamp
(The
Video
Light
can
be
used
as
a
substitution.)
•
U
-Chart
(Concave
-Character
Chart)
•
ND
-4
Filter,
White
Paper
•
Oscilloscope
•
Monitor
PREPARATION
(PD
-MIX)
1)
Set
the
camera
in
TEST
mode.
CMD
CMD
$28
$28
ADR
ADR
$E01A
$E114
2)
Place
the
tools
as
shown
below.
DATA
DATA
$1
$30
3.
1
HALOGEN
LAMP
White
"U"
Chart
paper
Fig.
3-17
SetUp
3)
Shoot
the
U
-Chart
with
the
standard
angle
of
view.
3-18
RET
RET
ND4
/
Fixture