Toshiba 32SW9UA Service Manual page 12

V/C system adjustment
ADJUSTING ITEMS
No.
AND POINTS
1 Cutoff adjustment and
white balance adjust-
ment
RCUT
GCUT
BCUT
GDRV
BDRV
Screen VR
2 Sub contrast adjustment
(SCNT)
3 Sub brightness adjust-
ment
(BRTC)
4 Sub color adjustment
NTSC
(COLC)
ADJUSTMENT PROCEDURE
1) Setting to horizontal alignment, turn the screen VR to
stop where the brightness lines are slightly luminous.
(Adjustment shall be made so that they look almost
white.)
2) Cancel horizontal alignment.
3) Varying R, G and B CUTOFF, make white balance
adjustment in the dark area.
4) Adjusting G and B DRIVE, make white balance ad-
justment in the bright area.
5) Repeat procedures 3) and 4) if necessary.
Adjustable value:
Bright area: 11500K+0.0075uV
(103cd/m 2 )
Dark area: 10500K+0.0105uV
2
(17cd/m )
1) Select SCNT in the sub data adjustment mode.
2) With TP-Y, set the amplitude from pedestal level to
white peak to 0.70±0.03 V (0-p).
1) Select BRTC in the sub data adjustment mode.
Adjust the number of black solid lines to 5±1.5.
1) Select COLC in the sub data adjustment mode.
2) With TP-PB, set the level of color bar to 0.36±0.02 V
(p-p).
– 12 –
REMARKS
No outside lighting shall be
allowed.
Measurement shall be
performed at the center of
CRT.
Receiver shall be in the
standard state.
Total white signal
Varying the level of input
signal, adjust the
brightness.
J-2ch sub brightness signal
DYNAMIC
J-2ch sub brightness signal
DYNAMIC
J-2ch sub brightness signal
DYNAMIC