Toshiba 13A26 Service Manual page 15

White 100% Red 110%
2-5: HORIZONTAL PHASE
1. Receive the monoscope pattern.
2.
Using the adjustment control, set the brightness and
contrast to normal position.
3. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (05) on the remote control to
select "H.PHAS".
4. 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. Receive the monoscope Pattern.
2. Using the adjustment control, set the brightness and
contrast to normal position.
3. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (06) on the remote control to
select "V.SIZE".
4. 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.
Receive the monoscope Pattern.
2.
Using the adjustment control, set the brightness and
contrast to normal position.
3.
Activate the adjustment mode display of Fig. 1-1
and press the channel button (07) on the remote
control to select "V.SFT".
4.
Press the VOL. UP/DOWN button on the remote
control until the horizontal line becomes fit to the
notch of the shadow mask.
ELECTRICAL ADJUSTMENTS
"A"
Fig. 2-1
Fig. 2-2
D-2
2-8: OSD HORIZONTAL
1. Activate the adjustment mode display of Fig. 1-1.
2. Press the VOL. UP/DOWN button on the remote
control until the difference of A and B becomes
minimum. (Refer to Fig. 2-3)
00 OSD
A
2-9: BRIGHT MANUAL
1.
Receive the monoscope pattern.(RF Input)
2.
Using the adjustment control, set the brightness and
contrast to normal position.
3.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (13) on the remote control to
select "BRI.CENT".
4.
Press the VOL.UP/DOWN button on the remote control
until the screen begin to shine.
5.
Press the TV/VIDEO button on the remote to set to the
AV mode. Then perform the above adjustment 2~4.
2-10: SUB CONTRAST
1. Receive an 70dB the color bar pattern.
2. Activate the adjustment mode display of Fig. 1-1
press the channel button (17) on the remote control
to select "CONT.MAX".
3. Press the VOL. UP/DOWN button on the remote control
until the contrast step No. becomes "43".
4. Press the TV/VIDEO button on the remote control to set
to the AV mode.
5. Activate the adiustment mode display of Fig 1-1
paess the channel button (17) on the remote control
to select"CONT.MAX".
6. Press the VOL.UP/DOWN button on the remote control
unitil the contrast step No. becomes "52".
7. Receive a broadcast and check if the picture is normal.
2-11: Confirmation of Fixed Value (step No.)
Please check if the fixed values of each adjustment
item is set correctly referring below. (RF/AV)
NO. STEP NO. NO.
FUNCTION
04
H VCO 04
14 BRIGHT MAX 140
15 50
BRIGHT MIN
16 25
CONT CENT
18 12
CONT MIN
20
COLOR MAX 74
TV
23
B
Fig. 2-3
FUNCTION STEP NO.
21 COLOR MIN 00
23 SHARPNESS 53
24 FM LEVEL 00
27 SEPARATION 00
28 TEST MONO 00
29 TEST STEREO 00