Ikegami TM20-20RH - 5-4. Adjustment Procedure

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5-4. Adjustment Procedure
(1) White Balance Adjustment
The white balance can be adjusted automat ically by
using the optional ASP-15 auto set up probe. When
adjusting manually, use the procedure below. You
can also adjust with the optional RCT-20 infrared
remote controller.
(D As video signals, input color bar signals or select
the built-in TEST signals (step wave with pluge).
® For color bar signals, set the jMONOI switch "ON"
for a black and white picture.
@Switch
"ON" the !SET UP I switch and set as in the
figure below.
Beam feedback line
SET UP line
@Switch "ON" th e !R.SCREENI switch. (If the
jSCREENSI switch is set to MODE2, switch "OFF"
just this switch.) Adjust the R.BACKGROUND so
that you can barely see or barely
can not see the
SET UP Jines.
® Switch "ON" the IG.SCREEN! switch, (If the
!SCREENS! switch
is set to MODE2, switch "OFF"
just this switch .) Adjust the G.BACKGROUND so
that you can barely see or barely can not see the
SET UP lines.
® Switch "ON" the !B.SCREENj switch. (If the
!SCREENS! switch is set to MODE2, switch
"OFF"
just this switch.) Adjust the B.BACKGROUND so
that you can barely see or barely
can not see the
SET UP lines.
(!) If you can not align any one of the colors, R, G, or
B, move the screen control (See 7.)
on the CRT
socket board slightly.
@ Return the jSCREENSI switch to its original setting
and switch "OFF" thelSET
UP!switch.
At this point, the dark sections of the color bar
(step wave with pluge) should
be the same for R, G,
and B.
® While watching the bright sections of the color bar
(step wave with pluge), adjust the G.GAIN
and B.
GAIN so that the bright sections are white.
@) Adjust the bright sections with GAIN and the dark
sections with BACKGROUND over and over until
the color temperature is the same from the dark
sections to the bright sections.
@ This completes the white balance adjustment.
(2) Color Balance Adjustment
The color balance can be adjusted automatically by
using the optional ASP-15 auto set up probe. When
adjusting manually, use the procedure below. You
can also adjust with the optional RCT-20 infrared
remote controller.
<Operating with NTSC>
(D Input 75% color bar signals (SMPTE) as the video
signals.
® Switch "ON" the [B.SCREEN! switch to obtain just
the blue signal.
BLUE
SMPTE color bar
® Lower the brightness with the !BRIGHT] manual
control until you can barely see the blue signal.
@ Switch "ON" the !HUE! preset switch, then adjust
the hue so that
@ - @ in the above figure a.re all
the same brightness.
H you can not obtain the
same brightness, set the closest you can, then
proceed to
Step@.
@ Switch "ON" the ~IC_H_R_O_M_A~! preset switch, adjust
the chroma so that
@ - ® in the above figure are
all the same brightness .
If you can not obtain the
same brightness, set the closest you can, then
return to Step
@.
® Repeat Steps @ and ® until @ - @ a.re all the
same brightness. This completes the color balance
adjustme nt .
<Operating with PAL>
(D Input 75% color bar signals es th e video signals.
® Switch "ON" the IB.SCREEN! switch to obtain just
the blue signal.
® Lower the brightness with the IBRIGHTj manual
control until you can barely see the blue signal.
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