Toshiba 13A24 Service Manual page 14

2-6: VERTICAL SIZE
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. 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: SUB BRIGHTNESS
1. Receive the monoscope 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 (13) on the remote control to
select "BRI.CENT".
4. Press the VOL. UP/DOWN button on the remote control
until the white 0% is starting to be visible
5. Receive the monoscope pattern. (Audio Video Input)
6. Press the TV/VIDEO button on the remote control to set
to the AV mode. Then perform the above adjustments
2~4.
2-8: SUB TINT/SUB COLOR
1. Receive the color bar pattern.
2. Connect the oscilloscope to TP023.
3. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (22) on the remote control to
select "TINT".
4. Press the VOL. UP/DOWN button on the remote control
until the section "A" becomes as straight line
(Refer to Fig. 2-1)
5. Connect the oscilloscope to TP022.
6. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (19) on the remote control to
select "COL.CENT".
7. Press the VOL. UP/DOWN button on the remote control
until the red color level is adjusted to 110 ± 10% of the
white level. (Refer to Fig. 2-2)
8. Receive the color bar pattern. (Audio Video Input)
9. Press the TV/VIDEO button on the remote control to set
to the AV mode. Then perform the above adjustments
2~7
ELECTRICAL ADJUSTMENTS
"A"
Fig. 2-1
D-2
white 100% red 110%
2-9: SUB CONTRAST
1. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (17) on the remote control to
select "CONT. MAX".
2. Press the VOL. UP/DOWN button on the remote control
until the contrast step No. becomes "48".
3. Receive a broadcast and check if the picture is normal.
4. Press the TV/VIDEO button on the remote control to set to
the AV mode.
5. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (17) on the remote control to
select "CONT. MAX".
6. Press the VOL. UP/DOWN button on the remote control
until the contrast step No. becomes "55".
7. Receive a broadcast and check if the picture is normal.
2-10: 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
2-11: Confirmation of Fixed Value (Step No.)
Please check if the fixed values of the each adjustment
items are set correctly referring below. (RF/AV)
NO. FUNCTION STEP NO.
04 H. VCO 04
14 BRIGHT MAX 140
15 BRIGHT MIN 60
16 CONTRAST CENT 30
18 CONTRAST MIN 15
20 COLOR MAX 74
Fig. 2-2
TV
23
B
Fig. 2-3
NO. FUNCTION STEP NO.
21 COLOR MIN 00
23 SHARPNESS 53
24 FM LEVEL 00
25 LEVEL 00
26 SEPARATION1 00
27 SEPARATION2 00