Canon PowerShot 350 Service Manual - Page 69

Adjustment

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4) Attach the oscilloscope to CDS-OUT in the Data Transfer Unit and adjust the position of the light source to obtain 350mV output. Part 3: Repair Information 350mV 5) Remove the ND-4.0 filter. 6) Input following data to a camera. Fig. 3-18 CdS Out CMD $28 ADR $E114 DATA $1F0 ADJUSTMENT (PD-Mix): 1) Input following data to a camera. RET CMD $60 ADR $0 DATA $B8 RET 2) Search for a point where blooming does not occur with the up and down cursor keys. 3) When the point where blooming does not occur is determined, record the data. MONITOR TV Adjust to a point where blooming does not steer. Fig. 3-19 Monitor TV 4) Input the data recorded at 3) to EEPROM. (Factory data: Min: $90, Max: $DA) CMD $38 ADR $10 DATA The data recorded at 3). RET 3-19

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Part
3:
Repair
Information
4)
Attach
the
oscilloscope
to
CDS-OUT
in
the
Data
Transfer
Unit
and
adjust
the
position
of
the
light
source
to
obtain
350mV
output.
5)
Remove
the
ND
-4.0
filter.
6)
Input
following
data
to
a
camera.
CMD
$28
ADR
$E114
ADJUSTMENT
(PD
-Mix):
1)
Input
following
data
to
a
camera.
CMD
$60
ADR
$0
350mV
DATA
DATA
Fig.
3-18
CdS
Out
$1F0
$B8
RET
RET
2)
Search
for
a
point
where
blooming
does
not
occur
with
the
up
and
down
cursor
keys.
3)
When
the
point
where
blooming
does
not
occur
is
determined,
record
the
data.
MONITOR
TV
Adjust
to
a
point
where
blooming
does
not
steer.
Fig.
3-19
Monitor
TV
4)
Input
the
data
recorded
at
3)
to
EEPROM.
(Factory
data:
Min:
$90,
Max:
$DA)
CMD
$38
ADR
$10
DATA
3-19
The
data
recorded
at
3).
RET