If-717 Board - Sony DSC-D700 Service Manual

3-5. IF-717 BOARD

Be sure to execute "3-6-2. Factory Setting" before performing this adjustment.
1. Output VIDEO OUT adjustment
Machine condition for adjustment
Equipment: Oscilloscope and
Vectorscope
Mode: 100 % color bar
1. Adjustment of Y and sync levels
1) Enter the camera test mode as
described in preparation for
adjustment.
2) Select the TEST CHART item with
the DBG MENU item displayed on
the 2.5-inch LCD screen and
display COLOR BAR H in red.
Press the EXECUTE button
twice to display a color-bar image.
3) Press the EXIT button once to
display a DBG MENU item.
2. C level adjustment
1) Enter the camera test mode as
described in preparation for
adjustment.
2) Select the TEST CHART item with
the DBG MENU item displayed on
the 2.5-inch LCD screen and
display COLOR BAR H in red.
Press the EXECUTE button
twice to display a color-bar image.
3) Press the EXIT button once to
display a DBG MENU item.
DSC-D700 (UC,CE)
Specifications
1) Extract a video signal from the VIDEO OUT pin and
observe the waveform using an oscilloscope.
2) Display the D/A CONV item in a DBG MENU item in red
and press the EXECUTE button once.
3) Display the Y level in red, select the item, and press the
EXECUTE button.
Shift the value using the
it to the proper value. The specifications are as described
below.
Y level
Sync level 286 mV
→After adjustment, press the EXECUTE button to define
the data (with the Y level displayed in red).
4) Press the EXIT button once and return to the DBG
MENU item state.
1) Extract a video signal from the VIDEO OUT pin and
observe the waveform using an oscilloscope.
2) Display the D/A CONV item in a DBG MENU item in red
and press the EXECUTE button once.
3) Display the C level in red, select the item, and press the
EXECUTE button.
Shift the value using the
it to the proper value. The specifications are as described
below.
Burst level 286 mV (NTSC)
300 mV (PAL)
→After adjustment, press the EXECUTE button to define
the data (with the C level displayed in red).
4) Press the EXIT button once and return to the DBG
MENU item state.
and buttons and adjust
714 mV
and buttons and adjust
Adjustments
1 J 701
Y Level EVR
1 J 701
C Level EVR
3-7