Toshiba 14AF45, Руководство по обслуживанию

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ELECTRICAL ADJUSTMENTS
D-3 14AF45/14AF45C
2-12: BRIGHT CENT
1.
2.
3.
4.
5.
6.
7.
8.
9.
Receive the monoscope pattern. (RF Input)
Using the remote control, set the brightness and contrast
to normal position.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (16) on the remote control to
select “BRI CENT”.
Press the VOL. UP/DOWN button on the remote control
until the white 0% is starting to be visible.
Receive the monoscope pattern. (Audio Video Input)
Press the TV/VIDEO button on the remote control to set
to the AV mode. Then perform the above
adjustments 2~4.
Press the TV/VIDEO button on the remote control to set
to the CS mode.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (16) on the remote control to
select “BRI CENT”.
Press the VOL. UP/DOWN button on the remote control
until the costrast step No. becomes “77”.
2-13: TINT/COLOR CENT
1.
2.
3.
4.
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6.
7.
8.
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12.
13.
14.
15.
Receive the color bar pattern.
Connect the oscilloscope to TP024.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (24) on the remote control to
select "TINT".
Press the VOL. UP/DOWN button on the remote control
until the section "A" becomes as straight line
(Refer to Fig. 2-3)
Connect the oscilloscope to TP023.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (22) on the remote control to
select "COL.CENT".
Press the VOL. UP/DOWN button on the remote control
until the red color level is adjusted to 115
±
10% of the white
level. (Refer to Fig. 2-4)
Receive the color bar pattern. (Audio Video Input)
Press the TV/VIDEO button on the remote control to set to
the AV mode. Then perform the above adjustments 2~7.
Press the TV/VIDEO button on the remote control to set to
the CS mode.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (24) on the remote control to
select "TINT".
Press the VOL. UP/DOWN button on the remote control
until the contrast step No. becomes “55”.
Press the CH DOWN button 2times to set to “COL.CENT”
mode.
Press the VOL. UP/DOWN button on the remote control
until the contrast step No. becomes “62”.
Receive a broadcast and check if the picture is normal.
Fig. 2-3
Fig. 2-4
"A"
white 100% red 115%
2-14: CONTRAST MAX
1.
2.
3.
4.
5.
6.
7.
8.
9.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (18) on the remote control to
select “CONT. MAX”.
Press the VOL. UP/DOWN button on the remote
control until the contrast step No. becomes “64”.
Receive a broadcast and check if the picture is normal.
Press the TV/VIDEO button on the remote control to set
to the AV mode. Then perform the above adjustments.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (18) on the remote control to
select “CONT. MAX”.
Press the VOL. UP/DOWN button on the remote
control until the contrast step No. becomes “86”.
Press the TV/VIDEO button on the remote control to set
to the CS mode.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (18) on the remote control to
select “CONT. MAX”.
Press the VOL. UP/DOWN button on the remote
control until the contrast step No. becomes “90”.