Orion 21MT9 Service Manual page 13

Color television receiver
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1. AKB AUTO
2. R. BIAS
3. G. BIAS
4. B. BIAS
5. R. DRIVE
6. G. DRIVE
7. B. DRIVE
8.
2-6: BRIGHTNESS
Receive the monoscope pattern. (RF Input)
1.
Using the remote control, set the brightness and contrast
2.
to normal position.
Activate the adjustment mode display of Fig. 2-1 and
3.
press the channel button (4) on the remote control to
select "PICTURE". The Fig. 2-4 appears on the display.
Press the channel button (1) on the remote control to
4.
select "BRIGHT".
Press the VOL. UP/DOWN button on the remote control
5.
until the white 25% is starting to be visible.
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.
1. BRIGHT
2. CONTRAST
3. COLOR
4. TINT
5. SHARPNESS
6. OSD CONT
7.
8.
2-7: COLOR
1.
Receive the color bar pattern. (RF Input)
2.
Connect the oscilloscope to TP802.
3.
Using the remote control, set the brightness, contrast,
color and tint to normal position.
4.
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.
5.
Press the channel button (3) on the remote control to
select "COLOR".
6.
Adjust the VOLTS RANGE VARIABLE knob of the
oscilloscope until the range between white 100% and 0%
is set to 4 scales on the screen of the oscilloscope.
7.
Press the VOL. UP/DOWN button on the remote control
until the red color level is adjusted to 3.2 scales (85%) ± 5%
for the white level. (Refer to Fig. 2-5)
8.
Receive the color bar pattern. (Audio Video Input)
9.
Press the AV button on the remote control to set to the
AV mode. Then perform the above adjustment 2~7.
ELECTRICAL ADJUSTMENTS
0. RETURN
Fig. 2-3
0. RETURN
Fig. 2-4
2-8: CONTRAST
1.
Receive the monoscope pattern.
2.
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.
3.
Press the channel button (2) on the remote control to
select "CONTRAST".
4.
Press the VOL. UP/DOWN button on the remote control
until the bar step is set to the "24".
2-9: HORIZONTAL PHASE
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 (1) on the remote control to
select "H. PHASE".
5.
Press the VOL. UP/DOWN button on the remote control
until the SHIFT quantity of the OVER SCAN on right
and left screen edges are equal.
1. H. PHASE
2. H. BLK
3. V. SIZE
4. V. POSI
5. V. LIN 50/60
6. V. SC 50/60
7. V. COMP
8. (H. FREQ)
2-10: VERTICAL POSITION
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 (4) on the remote control to
select "V. POSI".
5.
Press the VOL. UP/DOWN button on the remote control
until the horizontal line of the monoscope comes to
approximate center of the CRT.
D1-2
0%
85%
100%
0. RETURN
Fig. 2-5
Fig. 2-6

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21mt9a

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