Sharp Notevision PG-F211X, Service Manual

Page: 10 / 24

PG-F211X/PG-F261X
2 – 1
PGF211X
Service Manual
CHAPTER 2.
ELECTRICAL ADJUSTMENT
[1] ELECTRICAL ADJUSTMENT
Check items
No. Adjusting point Adjusting conditions Adjusting procedure
1 EEPROM
initialization 1. Turn on the power (with the lamp on) and
warm up the set for 15 minutes.
•
Make the following settings.
Press S2551 to call the process mode and execute
"SS2" on SS menu.
2 Model setting (Process menu)
1. Select the following group and subject.
Group: CONFIRM
Subject: MODEL 1. Set as below.
PG-F211X : 6
PG-F261X : 7
3 Adjustment of CW index 1. Signal input: Send 256 STEP color bar.
XGA series (XGA60HZ),
2. Select the following group and subject.
Group: ADJUST CW/Auto KS
Subject: CW-INDEX. 1. The signal is input into computer 1.
2. Select the adjustment item and adjust the lamp gra-
dation patterns of RGBW so that smooth patterns
without noise appear.
4 R/G/B contrast adjustment
(manual or automatic) 1. Select the following group and subjects.
Group : ADJUST
AD/DLP
Subject : R-CONT
G-CONT
B-CONT
(Process GAMMA interlock)
2. Amplitude level 96% (0.67Vpp) the signal
is input into computer 1.
XGA series (XGA60HZ) 1. Measure chromaticity of the 96% white wind pattern
using CA100.
2. On the screen where bit dropouts occur, raise the
values of R/G/B-Contrast. Adjust the values so that
bright red, green, and blue bit dropouts appear on
a black background; and amounts of change in x
value of R and y values of G/B become 100/1000
or more.
3. If adjustment is performed manually watching the
screen, make adjustment so that bright red, green,
and blue bit dropouts appear on more than half of
the screen.
5 RGB white balance adjustment 1. 50% gray pattern signal is input into com-
puter 1.
XGA series (XGA60HZ)
2. Select the following group and subjects.
Group : ADJUST
AD/DLP
Subject : R-GAIN
G-GAIN
B-GAIN 1. Raise the values of two of R/G/B-GAIN (default:
100) so that the following chromaticity values are
obtained using CL200.
x value: 295
±
5
y value: 310
±
5
6 sRGB white balance adjustment 1. 50% gray pattern signal is input into com-
puter 1.
XGA series (XGA60HZ)
2. Select the following group and subjects.
Group : CONFIRM/DLP
Subject : S-G-OS
S-B-OS 1. Adjust S-G-OS and S-B-OS so that the following
chromaticity values are obtained using CL200.
x value: 313
±
5
y value: 329
±
5
No. Adjusting point Adjusting conditions Adjusting procedure
1 1 Adjustment of RGB brightness 1. Select the following group and subjects.
Group : CONFIRM/AD
Subject : R-BRIGHT
G-BRIGHT
B-BRIGHT
(Process GAMMA interlock) 1. Check the fixed value.
Fixed value : 127
R
G
B
W