LX-D1010G
(PA012) 7-5
[Gamma correction circuit]
4.1 White balance (50%)
Purpose of adjustment: To optimize the white balance of the images
Symptom when adjustment is incomplete: Colors are added to monochrome image.
Input signal
No. 05 All white 50%
Input terminal
Analog RGB
Adjustment specification:
x = 0.277
＋０．０１０
－０．０１５
y = 0.329
±
0.010
Allowance limit:
x = 0.277
＋０．０１０
－０．０１５
y = 0.329
＋０．０１０
－０．０４５
*1 Perform this adjustment only when the Color Balance is lost of gray signal (50%) after either the
Main PWB Ass’y or the LCD Block has been replaced.
*2 Perform this adjustment after heat running for 2 minutes over with input test signal.
*3 Input the adjustment commands and values in upper case characters.
1. Input the XGA signal (All white 50%, No. 05).
2. Use the following as the default values in the IMAGE MENU.
CONTRAST ------------- 0
BRIGHTNESS ---------- 0
COLOR TEMP. --------- STANDARD
COLOR MATRIX ------- OFF
3. Project an image on the screen and then perform the heat running for 2 minutes over.
4. Perform the item 5 in case of without the color tone/differential meter.
Perform the items 6-9 in case of using the color tone/differential meter.
In case of without the color tone/differential meter
5. Adjust using each R, G and B adjustment command to be without color at the center of the
picture.
The adjustment commands are R: [
00~80
1□□□
], G: [
00~802
□□□
] and B: [
00~803
□□□
].
Input the numeral of the decimal notation R: [
-30
] - [
+
1
0
], G: [
-20
] - [
+05
] or B: [
-50
] - [
+50
] in the
□□□
. It will be returned as sent. (*4)
If the adjustment value is increased, the objective color will be increased, also.
If the adjustment value is decreased, the objective color will be decreased, also.
Input the write command [
00~8
1
] in the Hyper Terminal window to write the changed value to
the EEPROM. (It will be returned as sent.)
In case of using the color tone/differential meter
6. Measure the color differential value at the center of the picture.
If the x and y value are within the adjustment specification, exit this adjustment.
7. Adjust the
G Gamma Bright 50%
to be within the adjustment specification only for the
y
value.
If the adjustment value is increased, the y value will be increased, also.
If the adjustment value is decreased, the y value will be decreased, also.
Input the adjustment command [
00~802
□□□
] in the Hyper Terminal window.
In the
□□□
, input the numeral of the decimal notation from [
-20
] to [
+05
] to be within the
adjustment specification for the y value. It will be returned as sent. (*4)
Input the write command [
00~8
1
] in the Hyper Terminal window to write the changed value to
the EEPROM. (It will be returned as sent.)
If the y value could not be within the adjustment specification by the G Gamma Bright 50%
adjustment, adjust the
B Gamma Bright 50%
to be within the adjustment specification only for
the
y
value.
If the adjustment value is decreased, the y value will be increased, also.
If the adjustment value is increased, the y value will be decreased, also.
Input the adjustment command [
00~803
□□□
] in the Hyper Terminal window.
In the
□□□
, input the numeral of the decimal notation from [
-50
] to [
+50
] to be within the
adjustment specification for the y value. It will be returned as sent. (*4)
Input the write command [
00~8
1
] in the Hyper Terminal window to write the changed value to
the EEPROM. (It will be returned as sent.)
8. Adjust the
R Gamma Bright 50%
to be within the adjustment specification only for the
x
value.
If the adjustment value is increased, the x value will be increased, also.
If the adjustment value is decreased, the x value will be decreased, also.
Input the adjustment command [
00~80
1□□□
] in the Hyper Terminal window.
In the
□□□
, input the numeral of the decimal notation from [
-30
] to [
+
1
0
] to be within the
adjustment specification for the x value. It will be returned as sent. (*4)
Input the write command [
00~8
1
] in the Hyper Terminal window to write the changed value to
the EEPROM. (It will be returned as sent.)
*4 The current value can be checked by sending with only [
00~80
1
], [
00~802
] or [
00~803
] (with
nothing entered in
□□□
).
9. Repeat the item 6-8 to be within the adjustment specification for both value x and y.
If they will never be within the adjustment specification, it will be permit within the allowance
limit.
Summary of Contents for LX-D1010G - Lcd Projector
Page 32: ...LX D1010G 4 10 PA012 Memo ...
Page 36: ...LX D1010G 6 2 PA012 Memo ...
Page 67: ... PA012 15 1 LX D1010G 15 BLOCK DIAGRAMS ...
Page 68: ... PA012 15 2 LX D1010G ...
Page 69: ...LX D1010G PA012 15 3 ...
Page 70: ...LX D1010G PA012 16 1 ...
Page 77: ...LX D1010G PA012 Parts 7 Memo ...
Page 81: ...しろページ ...
