Electrical Adjustment - Sharp PG-M20S Service Anleitung

No. Adjustment Items
1 Initialization of
EEPROM
2 Adjustment of CW
index
3 Adjustment of
RGB gradation
reproduction
4 Adjustment of
video brightness/
contrast
5 Adjustment of
video tint

ELECTRICAL ADJUSTMENT

Adjustment Conditions
1. Turn on the power (the lamp lights
up) and warm up the system for 15
minutes.
1. Signal input: 64-step color bar
2. Select the following group and sub-
ject.
Group: DLP
Subject: Select CW-INDEX.
1. Feed the SMPTE pattern signal.
2. Select the following group and sub-
ject.
Group: DLP
Subject: G1-GAIN
1. Feed the NTSC100% window pat-
ter signal. (Burst signal)
2. Select the following group and sub-
ject.
Group: VIDEO
Subject: AUTO
1. Feed the split color bar signal.
2. Select the following group and sub-
ject.
Group: VIDEO
Subject: TINT
Adjustment Procedures
1. Carry out the following setting.
Press SW2001 to enter the process
mode, and execute S2 on SSS menu.
1. Feed the signal to INPUT 1.
2. Select subject and make adjustment
so that the lamp gradation patterns
of R, G and B should be smooth with-
out noise.
R
G
B
1. Confirm that 100% and 95% white
gradation, and 0% and 5% black gra-
dation are discernible.
2. If the white gradation looks differently,
do fine adjustment by G1-GAIN.
1. After signal input, select AUTO us-
ing the set's switch or the remote
controller's button for automatic ad-
justment.
1. Confirm the fixed value.
Fixed value: 128
21
PG-M20S
PG-M20X