Canon PowerShot 350 Service Manual - Page 75

Oscilloscope

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Part 3: Repair Information 3) Attach CDS-OUT in the Data Transfer Unit to the Oscilloscope, and adjust OB-Peak output to 275mV with the up and down cur- sor keys. 275mV 10 Us/5 mV lOus/100mV ADJUSTMENT• 1) Write the following data to the camera. Fig. 3-23 Wave (275mV) CMD $60 ADR $6 DATA $3A RET 2) Adjust the Video output to 490mV±10mV with the up and down cursor keys. 490mar 10 ps/5 mV Fig. 3-24 Wave (490mV) 3) Write the data determined at 2) to EEPROM. (Factory data: Min: $30, Max: $4B) CMD $38 ADR $16 DATA The data determined at 2). RET 4) Cancel the mode. CMD $28 ADR $E01A DATA $0 5) Turn the power off and on again. RET 3-25

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Part
3:
Repair
Information
3)
Attach
CDS-OUT
in
the
Data
Transfer
Unit
to
the
Oscilloscope,
and
adjust
OB-Peak
output
to
275mV
with
the
up
and
down
cur-
sor
keys.
275mV
10
Us/5
mV
ADJUSTMENT•
1)
Write
the
following
data
to
the
camera.
CMD
$60
ADR
$6
2)
Adjust
the
Video
output
to
490mV±10mV
with
the
up
and
down
cursor
keys.
DATA
lOus/100mV
Fig.
3-23
Wave
(275mV)
$3A
RET
490mar
10
ps/5
mV
Fig.
3-24
Wave
(490mV)
3)
Write
the
data
determined
at
2)
to
EEPROM.
(Factory
data:
Min:
$30,
Max:
$4B)
CMD
$38
4)
Cancel
the
mode.
CMD
$28
ADR
ADR
$16
$E01A
5)
Turn
the
power
off
and
on
again.
DATA
DATA
3-25
The
data
determined
at
2).
$0
RET
RET