ELECTRICAL ADJUSTMENTS
2-13: COLOR CENT2-15: Confirmation of Fixed Value (Step No.)
1.Receive the PAL color bar pattern. (RF Input)Please check if the fixed values of the each adjustment
2.Using the remote control, set the brightness, contrastitems are set correctly referring below.
NO.FUNCTIONRFAVand color to normal position.
02AGC GAIN00---3.Connect the oscilloscope to TP801.
04R CUTOFF00---4.Activate the adjustment mode display of Fig. 1-1 and
06G CUTOFF00---press the channel button (25) on the remote control to
07B DRIVE32---select "COLOR CENT".
09V POSI (50)15---5.Adjust the VOLTS RANGE VARIABLE knob of the
10V POSI (60)04---oscilloscope until the range between white 100% and
19BRIGHT MIN18180% is set to 5 scales on the screen of the oscilloscope.
20TINT30ADJ.6.Press the VOL. +/- button on the remote control until
21SHARP0000the red color level is adjusted to 90 ? 10% of the white
24CONTRAST MIN1010level. (Refer to Fig. 2-1)
26COLOR MAX50507.Receive the PAL color bar pattern. (Audio Video Input)
27COLOR MIN10108.Set to the AV mode. Then perform the above
30M B CUT OFF127---adjustments 2~6.
31CVBS OUT31---
32APR THRESHOLD00---
33BELL FILTER15---
34BANDPASS00---
35H POSI OSD145---
36V POSI OSD57---
37H POSI TEXT125---
38V POSI TEXT57---90% 100%
* 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
