Toshiba 13A25C Service Manual

ELECTRICAL ADJUSTMENTS
D-2 13A25/13A25C
2-8: OSD HORIZONTAL
1.
2.
Activate the adjustment mode display of Fig. 1-1.
Press the VOL. UP/DOWN button on the remote
control until the difference of A and B becomes
minimum. (Refer to Fig. 2-4)
BA
TV
00 OSD 19
Fig. 2-4
Receive the monoscope pattern.(RF Input)
Using the adjustment control, set the brightness and
contrast to normal position.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (13) on the remote control to
select "BRI.CENT".
Press the VOL.UP/DOWN button on the remote control
until the white 10% is starting to be visible.
Press the TV/VIDEO button on the remote to set to the
AV mode. Then perform the above adjustment 2~4.
1.
2.
3.
4.
5.
2-9: BRIGHT MANUAL
Fig. 2-1
Fig. 2-2
2-5: HORIZONTAL PHASE
1.
2.
3.
4.
Receive the monoscope pattern.
Using the adjustment control, set the brightness and
contrast to normal position.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (05) on the remote control to
select "H.PHAS".
Press the VOL. UP/DOWN button on the remote
control until the SHIFT quantity of the OVER SCAN on
right and left becomes minimum.
2-6: VERTICAL SIZE
1.
2.
3.
4.
Receive the monoscope Pattern.
Using the adjustment control, set the brightness and
contrast to normal position.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (06) on the remote control to
select "V.SIZE".
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%.
2-7: VERTICAL SHIFT
1.
2.
3.
4.
Receive the monoscope Pattern.
Using the adjustment control, set the brightness and
contrast to normal position.
Activate the adjustment mode display of Fig. 1-1
and press the channel button (07) on the remote
control to select "V.SFT".
Press the VOL. UP/DOWN button on the remote
control until the horizontal line becomes fit to the
notch of the shadow mask. (Refer to Fig. 2-3)
White 100%
Red 110%
"A"
Receive an 70dB the color bar pattern.
Activate the adjustment mode display of Fig. 1-1
press the channel button (17) on the remote control
to select "CONT.MAX".
Press the VOL. UP/DOWN button on the remote control
until the contrast step No. becomes "43".
Press the TV/VIDEO button on the remote control to set
to the AV mode.
Activate the adiustment mode display of Fig. 1-1
paess the channel button (17) on the remote control
to select "CONT.MAX".
Press the VOL.UP/DOWN button on the remote control
unitil the contrast step No. becomes "52".
Receive a broadcast and check if the picture is normal.
1.
2.
3.
4.
5.
6.
7.
2-10: SUB CONTRAST
Shadow mask
Notch
horizontal line
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Fig. 2-3

Toshiba 13A25C Specifications

General

Brand	Toshiba
Model	13A25C
Category	TV
Language	English