XG-P20XE (serv.man4). Service Manual Part 1 - Text - p1-35 - Sharp Projector Service Manual (repair manual). Page 28

1. Turn on the power (make

sure the lamp lights up) and
warm up the unit for 15 min-
utes.

»

Make the following settings:
Press S2601 to call up the process mode and
execute S2 and S4 in the SSS menu. Now the
system, with the PC board not included, is initial-
ized. Do not execute S1 because otherwise the
PC board will be initialized.
To adjust the PC board, follow the instruction in
"Adjusting the PC Interface". (See page 34)

1. Make the following choice.

Group : A/D

2. Feed the 100% red-only sig-

nal. Make the following
choice.
Group : A/D
Subject : R-D

»

Using the control switches or the remote controller
buttons, adjust the data so that the signal be-
comes bit-less (noise).

1. Feed the 100% blue-only

signal. Make the following
choice.
Group : A/D
Subject : B-D

»

Using the control switches or the remote controller
buttons, adjust the data so that the signal be-
comes bit-less (noise).

1. Feed the 100% green-only

signal. Make the following
choice.
Group : A/D
Subject : G-D

»

Using the control switches or the remote controller
buttons, adjust the data so that the signal be-
comes bit-less (noise).

»

 Choose the subject G1-GAIN and adjust the sig-
nal amplitude to 3.9 

±

0.05 Vp-p using the control

switches or the remote controller buttons.

»

Next, choose the subject G-BLK and adjust the
white peak level to 2.0Vp-p 

±

0.1V.

1. Make the following choice:

Group : OUTPUT 1
Subject : G1-BLK

G1-GAIN

For green, choose the sub-

    jects R1-BLK and R1-

GAIN.
For blue, choose the sub-
jects B1-BLK and B1-GAIN.

2. Connect the oscilloscope to

TP1101  for red.

    TP1201  for green
    TP1301  for blue

3.9Vp-p

2.0Vp-p

»

Make the same adjustments for green and blue.