Adjusting The Rgb Drive Signal And X-Pro; Adjusting The R, G, B Drive Signal (Adjustment Of Color 1); Adjusting Abl - NEC FP1355 Service Manual

2.4.6

Adjusting the RGB drive signal and X-Pro

2.4.6.1

Adjusting the R, G, B drive signal (Adjustment of COLOR 1)

Adjustment item
Status
R, G, B drive signal
indicator
(1) Input the timing No.12.
WINDOW picture (Input amplitude = 0.7Vp-p)
(2) Select CONTRAST with the OSD, and set to MAX with (+) ADJUST button.
(3) Select BRIGHT with the OSD, and set the data to 127 with the (-) (+) ADJUST buttons.
(4) Set the WINDOW pattern (approx. 80mm square at center of CRT picture), and input only
"GREEN".
(5) Set the COLOR 1 G with the OSD, and adjust the luminance to the following value with the
ADJUST button.
(6) Input BLUE, RED and GREEN, appropriately select the COLOR 1 B and R, and adjust the
color coordination to the following value with the ADJUST button.
(7) Set CONTRAST to 25cd/m
is within ±0.015 for both x and y.
*Adjust COLOR sRGB and 5 to the following values with the same method.
If COLOR sRGB and 5 are contented with the following value, they can be adjusted with
presumptioni respectively.
The values of G-WINDOW luminance are reference.
(Note) After adjusting COLOR, always set to COLOR 1.
(The COLOR preset will be set to the default COLOR 1 with this step.)
COLOR
G-WINDOW luminance
W-WINDOW
color coordination
Full white luminance (cd/m
2.4.6.2

Adjusting ABL

Adjustment item
Status
ABL
indicator
(1) Set the OSD ABL to 254.
(2) Input the timing No. 12 (106.25kHz/85Hz, 1600x1200).
(Full white picture input amplitude = 0.7Vp-p)
(3) Set contrast to MAX, bright to MAX, and select ABL-ADJUST with OSD. Adjust to 115cd/
±5 with COLOR 1.
2
m
The picture size must be approximately the H width given in the list of adjustment values at
this time. (Refer to 2.5.1.10 Adjustment value list.)
Adjustment mode/set
Factory
2
with the OSD to confirm that the change in color coordination
1
(76.0)
x
0.283
y
0.297
2
) 105 or more 92 or more
Adjustment mode/set
Factory
2 - 13
Imput signal/pattern
No. 12:106.25K / 85Hz, 1600x1200
WINDOW picture
sRGB 5
(67.0) (56.0)
0.313 0.345
0.329 0.359
77 or more
Imput signal/pattern
No. 12:106.25K / 85Hz, 1600x1200
Full white
Remarks
(Reference value)
± 0.005
± 0.005