ELECTRICAL ADJUSTMENTS
2-15: Confirmation of Fixed Value (Step No.)
2-13: COLOR CENT
Please check if the fixed values of the each adjustment
1.Receive the PAL color bar pattern. (RF Input)
items are set correctly referring below.
2.Using the remote control, set the brightness, contrast
and color to normal position.NO.FUNCTIONRFAV
3.Connect the oscilloscope to TP801.02AGC GAIN00---
4.Activate the adjustment mode display of Fig. 1-1 and04R CUTOFF00---
press the channel button (25) on the remote control to06G CUTOFF00---
select "COLOR CENT".07B DRIVE45---
5.Adjust the VOLTS RANGE VARIABLE knob of the09V POSI (50)05---
oscilloscope until the range between white 100% and10V POSI (60)00---
0% is set to 5 scales on the screen of the oscilloscope.18BRIGHT MAX2525
6.Press the VOL. +/- button on the remote control until19BRIGHT MIN1616
the red color level is adjusted to 90 ? 10% of the white20TINT30ADJ.
level. (Refer to Fig. 2-1)21SHARP0404
7.Receive the PAL color bar pattern. (Audio Video Input)23CONTRAST MAX5050
8.Set to the AV mode. Then perform the above24CONTRAST MIN1010
adjustments 2~6.26COLOR MAX5050
27COLOR MIN1010
30M B CUT OFF127---
31CVBS OUT31---
32APR THRESHOLD00---
33BELL FILTER10---
34BANDPASS00---
35H POSI OSD120---
100%
90%36V POSI OSD57---
37H POSI TEXT119---
38V POSI TEXT57---
*To check for the fixed values of the RF (60Hz), indicate
the adjustment mode screen while input the 60Hz
video signal.
Fig. 2-1
2-14: TINT
1.Receive the NTSC color bar pattern. (Audio Video Input)
2.Using the remote control, set the brightness and contrast
to normal position.
3.Connect the oscilloscope to TP803.
4.Activate the adjustment mode display of Fig. 1-1 and
press the channel button (20) on the remote control to
select "TINT".
5.Press the VOL. +/- button on the remote control until the
section "A" becomes a straight line. (Refer to Fig. 2-2)
"A"
Fig. 2-2
D-3 |
ACEC
TOSHIBA
