3-4
SIIA Chassis
3-2. PREPARATIONS (2)
. Set the video signal generator as follows, and input the
composite video signal.
Signal
Signal Standard
Contents Level P-W
NTSC
100 % WHITE 0.714 V
3.58 75 % WHITE 0.536 V
NTSC
BURST 286 mV p-p
COMPOSITE
4.43
(GREEN) (632 mV p-p)
VIDEO
100 % WHITE 0.7 V
PAL 75 % WHITE 0.525 V
SECAM
PAL BURST 300 mV p-p
(GREEN) (664 mV p-p)
. [|||] shows the name of the adjustment items of the
service mode.
Example [H|SIZE]
. If adjustments are performed in the service mode, save
the service data before turning off the power. Turning off
the power before saving the data will cause all adjusted
data to be lost.
. Standard inspection state
Unless specified otherwise, set the video signal generator
to the following conditions and perform the adjustments
and inspections.
VOLUME 50
CONTRAST 80
BRIGHTNESS STD
CHROMA STD
PHASE STD
ASPECT RATIO 4 : 3
3-3. OUTPUTTING IMAGES
Setting the AC Input Voltage
(1) Input the video signals and audio signals into each
terminal of the connector panel.
(2) Set the voltage of the variable AC power supply to
AC100 ±3 V (distortion factor: 3 % or less).
3-4. RASTER CENTERING
ADJUSTMENT
(1) Set the raster center adjustment mode.
Set the service mode according to “Setting the Service
Mode”, and press the [ENTER] key once to enter the
raster center adjustment mode.
(2) Adjust S501 on the A board so that the raster comes to
the horizontal direction center.
Adjust S501 so that the raster
comes to the horizontal center.
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