Pc I/F Adjustment Method - Sharp XG-PH70X Service Manual

No. Adjusting point
14 Lens shift posi-
tion
15 Turn off the
power

[2] PC I/F adjustment method

NOTE: Since the PC I/F unit is initialized with S1, do not carry out S1. The PC I/F unit is already adjusted.
When the PC I/F unit must be adjusted, in such case as S1 is carried out by mistake, adjust it according to the followings
No. Adjusting point
1 Initialization of
EEPROM
2 RGB tone repro-
duction adjust-
ment
Adjusting conditions
Adjusting conditions
1. Select the following group and
subject.
Group : SSS
Subject : S1
1. Feed the window pattern signal
that has 92% (0.64Vbw) and 0%
signals (XGA/60Hz) to input 1
2. Select the following group and
subject.
Group : A/D
Subjects : AD-AUTO
* When you can not prepare 92%
signal
1. Feed the window pattern signal
that has 100% (0.7Vbw) and 0%
signals.
(XGA/60Hz) to input 1
* "MUTE" key will be change to
the factory gamma
XG-PH70X/XG-PH70X-N (1st. Edition)
Adjusting procedure
1. Move lens shift position
Vertical : Top position
Horizontal: Center
Adjusting procedure
1. Press S3602 to enter the process mode.
2. Execute the S2 command on the SSS menu. (By S1, all the contents of
EEPROM are initialized.)
1. After signal input, select AD-AUTO for automatic adjustment.
1. Select the following group and subject.
Group : A/D
Subjects : G-BRIGHT
2. Make adjustment so that some bits should be missing in black area of the
picture.
3. Select the following group and subject.
Group : A/D
Subjects : G-D
4. Make adjustment so that some bits should be missing in white area of the
picture.
5. Select the following subject.
Subjects : R-BRIGHT
6. Make adjustment so that some bits should be missing in black area of the
picture.
7. Select the following subject.
Subjects : R-D
8. Make adjustment so that some bits should be missing in white area of the
picture.
9. Select the following subject.
Subjects : B-BRIGHT
10. Make adjustment so that some bits should be missing in black area of the
picture.
11. Select the following subject.
Subjects : B-D
12. Make adjustment so that some bits should be missing in white area of the
picture.
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