Sharp Notevision XG-P10XE, Руководство по обслуживанию

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27
XG-P10XE
No. Adjusting point Adjusting conditions Adjusting procedure
11 RGB counter-
voltage
adjustment 1. Feed the black-and-red
(25%) stripe signal (XGA).
2. Make the following choice:
Group : OUTPUT 3
Subject : RC (R)
»
Using the control switches or the remote controller
buttons, adjust the data in order to minimize the
flicker.
»
Make the same adjustment for BC (B) and GC (G).
»
See if the image is equally adjusted at the center
and both sides of the screen. If not, readjust the
setting to have the image equal at right and left.
13 RGB white
balance 1. Feed the 32-step gray scale
signal (XGA 60Hz).
Group : OUTPUT 1
Subject : R1-BLK (R)
R1-GAIN(R)
B1-BLK (B)
B1-GAIN(B)
»
Adjust the R1-BLK and B1-BLK data for the black
balance on the gray scale. Then adjust the R1-
GAIN and B1-GAIN data for the center-to-white
balance on the gray scale.
(Adjust to the best point.)
12 RGB gradation
regeneration
adjustment 1. Feed the INFO COM. gray
scale and colour bar pattern.
2. Make the following choice:
Group : OUTPUT 1
Subject : G1-BLK
»
Make sure that scale (white side) to No.251 and
scale (black side) to No.8 can be seen.
»
If white scale can't be seen properly, readjust with
G1-BLK.
14 Horizontal
center 1. Feed the NTSC mono-
scope pattern signal.
2. Group : VIDEO 2
Subject : N358-DLY (0)
N443-DLY (0)
PAL-DLY (3)
SECAM-DLY (0)
Make sure the settings are
as above.
3. Group : VIDEO 1
Subject : NTSC-H
»
Using the control switches or the remote controller
buttons, adjust the data to have the same
overscan.
4 8 12
249 251
15 Video picture
adjustment
1. Feed the split colour bar
signal.
Group : VIDEO 1
Subject : PICTURE
2. Connect the oscilloscope
between pin (1) of P801
and GND.
»
Using the control switches or the remote controller
buttons, adjust the black-to-white (100%) level
difference to 1.2 ±0.03 Vp-p.
100% White
1.2Vp-p