Orion 21MT9 Service Manual page 14

Color television receiver
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2-11: VERTICAL SIZE
1.
Receive the monoscope pattern.
2.
Using the remote control, set the brightness and contrast
to normal position.
3.
Activate the adjustment mode display of Fig. 2-1 and
press the channel button (1) on the remote control to
select "H/V". The Fig. 2-6 appears on the display.
4.
Press the channel button (3) on the remote control to
select "V. SIZE".
5.
Press the VOL. UP/DOWN button on the remote
control until the SHIFT quantity of the OVER SCAN on
upside and downside becomes 8 ± 3%.
2-12: VERTICAL LINEALITY
Receive the monoscope pattern.
1.
Using the remote control, set the brightness and
2.
contrast to normal position.
Activate the adjustment mode display of Fig. 2-1 and
3.
press the channel button (1) on the remote control to
select "H/V". The Fig. 2-6 appears on the display.
Press the channel button (5) on the remote control to
4.
select "V. LIN 50/60".
Press the VOL. UP/DOWN button on the remote control
5.
until the SHIFT quantity of the OVER SCAN on upside
and downside becomes minimum.
Receive the monoscope pattern. (Audio Video Input)
6.
Press the AV button on the remote control to set to the
7.
AV mode. Then perform the above adjustments 2~5.
2-13: OSD HORIZONTAL
1.
Using the remote control, set the brightness and
contrast to normal position.
2.
Activate the adjustment mode display of Fig. 2-1 and
press the channel button (5) on the remote control to
select "OTHERS". The Fig. 2-2 appears on the display.
3.
Press the channel button (5) on the remote control to
select "OSD H".
4.
Press the VOL. UP/DOWN button on the remote control
until the difference of A and B becomes minimum.
(Refer to Fig. 2-7)
OSD H
A
ELECTRICAL ADJUSTMENTS
[ TV ]
B
Fig. 2-7
2-14: TINT
1.
Receive the color bar pattern.(Audio Video lnput)
2.
Connect the oscilloscope to TP801.
3.
Activate the adjustment mode display of Fig. 2-1 and
press the channel button (4) on the remote control to
select "PICTURE". The Fig. 2-4 appears on the display.
4.
Press the channel button (4) on the remote control to
select "TINT".
5.
Press the VOL. UP/DOWN button on the remote control
until the waveform becomes as shown in Fig. 2-8.
"TINT"
2-15: CONSTANT VOLTAGE
1.
Using the remote control, set the brightness and
contrast to normal position.
2.
Connect the digital voltmeter to TP501.
3.
Set condition is AV MODE without signal.
Adjust the VR501 until the DC voltage is 135 ± 1V.
4.
D1-3
Fig. 2-8

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