Toshiba 34AX9UE, Руководство по обслуживанию

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– 14 –
GENERAL ADJUSTMENTS
SPECIFIC INFORMATIONS
F1DS Series (Reference factory adjustment)
Items
SCNT
BRTC
COLC
COLS
R CUT
G CUT
B CUT
Screen
VR
R CUT
G CUT
B CUT
GDRV
BDRV
Settings
Sub-contract
Sub-bright
center
Sub color
NTSC
Sub-color
SECAM
R cutoff
G cutoff
B cutoff
White balance
R cutoff
G cutoff
B cutoff
G drive
B drive
Input signals
Contrast: MAX
Bright: CNT
Color: CNT
Taint: CNT
Contrast: MAX
Bright: CNT
Color: MIN
Contrast: MAX
Bright: CNT
Color: CNT
Taint: CNT
Y mute: ON
Contrast: MAX
Bright: CNT
Color: CNT
Taint: CNT
Y mute: ON
Set to
R CUT: 40H
G CUT: 40H
B CUT: 40H
Enter horizon-
tal straight-line
mode
Contrast: MAX
Bright: CNT
Color: MIN
Set to
GDRV: 40H
BDRV: 40H
Measuring
methods
Sub-bright
signal
(J2CH)
Sub-bright
signal
(J2CH)
Sub-bright
signal
(J 2CH)
SECAM
Color bar
(E 2ch)
Raster sig-
nal without
color burst
Adjusting
methods
TP46R
Screen
adjust-
ment
TP46B
TP46B
Screen
adjust-
ment
C·P·T
Measuring
instruments
Synchro
Screen
adjustment
Synchro
Synchro
Screen
judgment
W/B
checker
Adjusting methods
1 If SCNT is selected, Y signal
is transmitted from the
monitor output.
2 Adjust the amplitude from
pedestal level to white level.
1 Adjust the number of col-
lapsed black lines of the sub-
bright signal.
2 Adjust after adjusting W/B,
SCNT.
1 If COLC is selected, B-Y
signals are transmitted from
the monitor output.
2 Adjust the amplitude of the
color bar output.
3 Adjust after adjusting SCNT,
TNTC.
1 If COLS is selected, B-Y
signals are transmitted from
the monitor output.
2 Adjust the amplitude of the
color bar.
3 Adjust after adjusting SCNT.
1 Carry out the setting as the
condition mentioned on the
left.
2 Gradually increase the screen
VR and stop it at a position
where any line of R, G, or B
begins to emit light slightly.
3 This position right here will be
set for screen VR adjustment.
4 Gradually increase remaining
two screen VRs – except the
line that emitted slight light as
mentioned in item 2 above –
and stop at positions where
respective lines begin to emit
light slightly. (Make adjust-
ment until the screen be-
comes virtually white.)
1 Carry out RCUT, GCUT, BCUT,
and Screen VR after checking
above-mentioned items
2 Carry out the setting of GDRV
and BDRV like the condition
mentioned on the left
3 Use a checker that can change
modulation factor to adjust
brightness
Adjust-
ing
2.4V(P-P)
±
0.2V(P-P)
4 lines
±
1.5 lines
1.40V(P-P)
±
0.2V(P-P)
* P-P
value of
upper
half
1.90V(P-P)
±
0.2(P-P)
* P-P
value of
upper
half
HIGH
(103cd/m
2 )
0.0075uv
DARK
(17cd/m
2 )
0.0105uv
* The range
of adjust-
ment is to
remain the
same as
what has
been set
until now.