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Toshiba MV13K1W Service Manual page 31

Color television / video cassette recorder
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2-5: CUT OFF
1.
Place the set with Aging Test for more than 15 minutes.
2.
Set condition is AV MODE without signal.
3.
Using the remote control, set the brightness and
contrast to normal position.
4.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (5) on the remote control.
The Fig. 2-2 appears on the display.
5.
Press the channel button (5) on the remote control.
6.
Adjust the Screen Volume until a dim raster is obtained.
2-6: FOCUS
1.
Using the remote control, set the brightness and
contrast to normal position.
2.
Receive the monoscope pattern.
3.
Turn the Focus Volume fully counterclockwise once.
4.
Adjust the Focus Volume until picture is distinct.
2-7: SUB BRIGHTNESS (TV)
1.
Receive the black pattern*. (RF Input)
2.
Using the remote control, set the brightness and
contrast to normal position.
3.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (4) on the remote control.
The Fig. 2-3 appears on the display.
4.
Press the channel button (1) on the remote control.
5.
Press the VOL. UP/DOWN button on the remote control
to adjust the screen brightness from bright to dim. Then
set to the completely dim point.
*
The Black Pattern means the whole black raster signal.
Select the "RASTER" of the pattern generator, set to
the OFF position for each R, G and B.
1. BRIGHT
2. CONTRAST
3. COLOR
4. TINT
5. SHARPNESS
6. OSD CONT
7.
8.
2-8: SUB BRIGHTNESS (AV)
1.
Receive the black pattern*. (Audio Video Input)
2.
Using the remote control, set the brightness and
contrast to normal position.
3.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (4) on the remote control.
The Fig. 2-3 appears on the display.
4.
Press the channel button (1) on the remote control.
5.
Press the VOL. UP/DOWN button on the remote control
to adjust the screen brightness from bright to dim. Then
set to the completely dim point.
ELECTRICAL ADJUSTMENTS
0. RETURN
Fig. 2-3
2-9: SUB COLOR (TV)
1.
Receive the color bar pattern. (RF Input)
2.
Connect the synchro scope to TP801.
3.
Using the remote control, set the brightness, contrast,
color and tint to normal position.
4.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (4) on the remote control.
The Fig. 2-3 appears on the display.
5.
Press the channel button (3) on the remote control.
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 95 ± 5% of the
white level. (Refer to Fig. 2-4)
White 100%
2-10: SUB COLOR (AV)
1.
Receive the color bar pattern. (Audio Video Input)
2.
Connect the synchro scope to TP801.
3.
Using the remote control, set the brightness, contrast,
color and tint to normal position.
4.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (4) on the remote control.
The Fig. 2-3 appears on the display.
5.
Press the channel button (3) on the remote control.
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 95 ± 5% of the
white level. (Refer to Fig. 2-4)
2-11: SUB TINT (TV)
1.
Receive the color bar pattern. (RF Input)
2.
Connect the synchro scope to TP803.
3.
Using the remote control, set the brightness, contrast,
color and tint to normal position.
4.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (4) on the remote control.
The Fig. 2-3 appears on the display.
5.
Press the channel button (4) on the remote control.
6.
Press the VOL. UP/DOWN button on the remote control
until the section "A" becomes a straight line.
(Refer to Fig. 2-5)
White 0%
0%
95%
Red Level
Fig. 2-4

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