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1.
о опа
terminal on the rear panel.
. Set svnc. switch to the EXT. position.
. Confirm that there is no difference in screen.
Set sync. switch to the INT. position.
. Set A/B split switch (SW5805) to ON position.
. Adjust R5991
(A/B split position) so that the dividing
Dividing line
Fig. 51
S-VIDEO
CHROMA
ADJUSTMENT
1.
6.
Apply a Full Field: color bar signal to the LINE A IN
terminal on the rear panel,
. Apply a Y/C signal (Full Field color bar) to the S-Video
IN terminal.on the rear panel.
. Connect an oscilloscope to
and TPB11 (GND).
. Set the following controls and switches to the position
indicated.
Chroma VR (R5804) . PE.
PIS fully clockwise
Phase VR (85809)....................
center
Pre-set switch (5//5815).................
OFF
Color mode selector switch (SW5815)...... COLOR
8P S-Video selector switch (SW5201)......... 750
Set
INPUT.
selector
switch
(SW5801)
to
LINE
А
position.
Measure
and
record
the amplitude
of the waveform
as shown in Fig. 52.
L-92 —
М:
200mV/20usec. div.
Fig. 52
"M ТРВ6 | becomes equal to that of Step (6).
PRESET
ADJUSTMENT
1. Apply a SMPTE color bar signal.
2. Fully degauss the picture tube by using an external
degaussing coil.
3. Set Preset switch (SW5815) to ON position.
1/4 of
Preset Contrast (85817). . Step (D-» (2
rotating
angle
@
@
Preset Brightness (В5822)..............
Center
1/4 of
rotating
Preset Chroma (R5802) . . Step (D—(2 КО: angle
Preset Phase (В5807).................
Center
Preset Aperture (В5812)....
fullv counterclockwise
Blue signal/Only switch (SW5809) ..........
ON
Scan Size switch [=] д
OFF (Over Scan)
5. Adjust Preset Chroma (R5802), Preset Phase (R5807)
so that the luminance
at SMPTE
Color bar pattern
(on the displayed) becomes
Fig. 53.
Make adjustments to obtain the same level of bright-
ness at each section from (a) through (h).
Fig. 53
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