PG-A10XA (serv.man2). p37 - Sharp Projector Service Manual (repair manual). Page 23

1. Turn on the power (with the

lamp on) and warm up the
set for 15 minutes.

»

Make the following settings.
Press S2002 to call the process mode and execute
"SS2" on SS menu.

1. Select the following group

and subjects.
Group : AD
Subject : R-Bright

G-Bright
B-Bright

(Process GAMMA interlock)
2. Feed the XGA 16-step sig-

nal with an amplitude level
of 50% (0.35 Vp-p).

1.Watching the screen, adjust the R-, G- and B-Bright

settings so that the second tone (3% level step) on
the black side should have some pixel dropouts and
the bright color zone should become just about a half.

1. Select the following group

and subjects.
Group : AD
Subject : R-Contrast

G-Contrast
B-Contrast

(Process GAMMA interlock)
2. Feed the SVGA white sig-

nal with an amplitude level
of 96% (0.67 Vp-p).

1.Watching the screen, adjust the R-, G- and B-Con-

trast settings so that because of some pixel drop-
outs, the bright color zone should become just about
a half.

1. Feed a 480P component

10-step signal with 100%
amplitude.

2. Select the following group

and subjects.
Group : DTV
Subject : Bright

Contrast

(Process GAMMA interlock)

1. Check the setting value.

Contrast (White Level): 2
Bright (Black Level):

12

1. Feed a 480PI component

10-step signal with 100%
amplitude.

2. Select the following group

and subjects.
Group : DVD
Subject : Bright

Contrast

(Process GAMMA interlock)

1. Check the setting value.

Contrast (White Level): 1
Bright (Black Level):

13