Toshiba 29CZ8URB, Руководство по обслуживанию

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Cutoff adjustment and
white balance adjust-
ment
RCUT
GCUT
BCUT
GDRV
BDRV
Screen VR
Sub brightness adjus-
tment
(BRTC)
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
adjustment in the bright area.
5) Repeat procedures 3) and 4) if necessary.
Adjustable value:
Bright area: 0.0075uV
(103cd/m
2
)
Dark area: 0.0105uV
(17cd/m
2
)
1) Select BRTC in the sub data adjustment mode.
Adjust the number of black solid lines to 4±1.5.
No. ADJUSTMENT PROCEDURE
V/C syatem adjustment
ADJUSTING ITEMS
AND POINTS
REMARKS
1
2
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
Focus Adjustment
Main Focus: T461 Conditions : PAL RETMA ch
Screen Size : Wide
Presentation Mode : Dynamic
Only for 29-inch model
1) Adjust the Main Focus VR knob of T461 model to optimize center focus.
Refer to the diagram below for the location of the Main Focus VR knob.
No. ADJUSTMENT PROCEDURE
Circuit adjustment (Procedure Manual for Deflection Adjustment)
ADJUSTING ITEMS
AND POINTS
1
Main Focus VR knob
SCREEN knob