Disney DT1900-C Service Manual page 13

Color television receiver
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2-6: SUB TINT/SUB COLOR
1.
Receive the color bar pattern. (RF Input)
2.
Connect the oscilloscope to pin 6 of CP601 or TP023.
3.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (22) on the remote control to
select "TINT".
4.
Press the VOL. UP/DOWN button on the remote control
until the section "A" becomes as straight line.
(Refer to Fig. 2-1)
5.
Connect the oscilloscope to pin 7 of CP601 or TP022.
6.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (19) on the remote control to
select "COL.CENT".
7.
Adjust the VOLTS RANGE VARIABLE knob of the
oscilloscope until the range between white 100% and
0% is set to 4 scales
8.
Press the VOL. UP/DOWN button on the remote control
until the red color level is adjusted to 120% ± 10% of the
white level. (Refer to Fig. 2-2)
9.
Receive the color bar pattern. (Audio Video Input)
10.
Press the AV button on the remote control to set the AV
mode. Then perform the above adjustments 2~8.
2-7: HORIZONTAL PHASE
1.
Receive the monoscope pattern.
2.
Using the adjustment control, set the brightness and
contrast to normal position.
3.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (05) on the remote control to
select "H.PHAS".
4.
Press the VOL. UP/DOWN button on the remote
control until the SHIFT quantity of the OVER SCAN
on right and left becomes minimum.
ELECTRICAL ADJUSTMENTS
"A"
Fig. 2-1
100%
Red 120%
Fig. 2-2
2-8: VERTICAL SHIFT
1.
Receive the monoscope pattern.
2.
Activate the adjustment mode display of Fig. 1-1
and press the channel button (07) on the remote
control to select "V.SFT".
3.
Press the VOL. UP/DOWN button on the remote
control until the horizontal line becomes fit to the
notch of the shadow mask.
2-9: VERTICAL SIZE
1.
Receive the monoscope pattern.
2.
Using the adjustment control, set the brightness and
contrast to normal position.
3.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (06) on the remote control to
select "V.SIZE".
4.
Press the VOL. UP/DOWN button on the remote control
until the SHIFT quantity of the OVER SCAN on upside
and downside becomes 10 ± 2%.
5.
Receive a broadcast and check if the picture is normal.
2-10: OSD HORIZONTAL
1.
Activate the adjustment mode display of Fig. 1-1.
2.
Press the VOL. UP/DOWN button on the remote
control until the difference of A and B becomes
minimum. (Refer to Fig. 2-5)
A
2-11: SUB BRIGHTNESS
Receive the monoscope pattern.
1.
2.
Using the adjustment control, set the brightness and
contrast to normal position.
Activate the adjustment mode display of Fig. 1-1 and
3.
press the channel button (13) on the remote control to
select "BRI.CENT".
4.
Press the VOL. UP/DOWN button on the remote control
until the white 10% is starting to be visible.
Receive a broadcast and check if the picture is normal.
5.
6.
Press the TV/AV button on the remote to set to the
AV mode. Then perform the above adjustment 1~5.
D-2
TV
00 OSD H
30
B
Fig. 2-5

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