Toshiba 24AF43 Service Manual page 15

2-14: BRIGHT CENT
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 (16) 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.
7. Press the TV/VIDEO button on the remote control to set
to the CS mode.
8. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (16) on the remote control to
select "BRI CENT".
9. Press the VOL. UP/DOWN button on the remote
control until the brightness step No. becomes "75".
2-15: TINT/COLOR CENT
1. Receive the color bar pattern.
2. Connect the oscilloscope to TP806.
3. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (24) 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 TP804.
6. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (22) 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 120
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.
10. Press the TV/VIDEO button on the remote control to set to
the CS mode.
11. Press the VOL. UP/DOWN button on the remote control to
set the same step numbers as the AV mode.
ELECTRICAL ADJUSTMENTS
10% of the white
"A"
Fig. 2-1
white 100%
2-16: CONTRAST MAX MANUAL
1. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (18) 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 "96".
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. Then perform the above adjustments 1~3.
Press the TV/VIDEO button on the remote control to set to
5. the CS mode. Then perform the above adjustments 1~3.
2-17: 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
2-18: Confirmation of Fixed Value (Step No.)
Please check if the fixed values of the each adjustment
items are set correctly referring below. (RF/AV/CS)
NO. FUNCTION STEP NO.
02 H.VCO
04 AFC GAIN
05 V.SHIFT
09 VS.CORRECTION
15 BRI.MAX
17 BRI.MIN
19 CONT.CENT
20 CONT.MIN
D-3
red 120%
TV
34
B
NO. FUNCTION
03 21 COL.MAX
06 23 COL.MIN
02 25 SHARPNESS
38 26 CB DL
160 27 CR DL
50 28 CB PED
64 29 CR PED
15
Fig. 2-2
Fig. 2-3
STEP NO.
90
00
40
00
00
08
08