XG-V10XE (serv.man9). Page 20-59 - Sharp Projector Service Manual (repair manual). Page 9

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Select R2-GAIN. Adjust the setting so that the
signal component has the minimum amplitude.

1. Select the following group

and subjects.
Group : OUTPUT2
Subject : R2-GAIN

R2-BLK

For the G and B colors,
choose the following re-
spective subjects.
G2-GAIN and G2-BLK for G
B2-GAIN and B2-BLK for B

2. Connect the oscilloscope to

pin (2) (for R) of P1001.

3. Similarly connect the oscil-

loscope to the following for
the G and B colors.
Pin (4) of P1001 for G
Pin (6) of P1001 for B

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Select R2-BLK. Adjust the setting so that the wave-
form becomes a straight horizontal line.

Adjusted to

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Using the set's control switch or the remote
controller’s button, make sure the characters
OUTPUT3 are not blurry with no ghost image on
the screen. If anything blurry or a ghost image
appears onscreen, readjust the setting in the
range of 7-9.

1. Feed the XGA-mode, 75-

Hz black signal.

2. Select the following group

and subject.
Group : OUTPUT3
Subject : SH-PHASE

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Using the set's control switch or the remote
controller’s button, adjust the setting so that the
flickering be minimum.

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If there is a difference between the center and
both sides on the screen, adjust the setting to get
both sides equal to each other.

1. Feed the XGA-mode, 60-

Hz, countervoltage adjust-
ment signal.

2. Select the following group

and subjects.
Group : OUTPUT3
Subject : RC (R)

GC (G)
BC (B)

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Make sure the grayscale, shown below, is visible
up to the tone 251 (white) as well as down to the
tone 8 (black).

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If the white tone is out of spec, finely adjust the
G1-BLK setting.

1. Feed the Infocom

Grayscale & Color Pattern
signal.

2. Select the following group

and subject.
Group : OUTPUT1
Subject : G1-BLK

4

8

12

249

251