Chapter 2. Adjustment; Adjustment Procedure - Sharp LC-32A47L Service Manual

LC-32A47L(A)
CHAPTER 2.
LC-32A47L(A) ADJUSTMENT

[1] ADJUSTMENT PROCEDURE

1. Adjustment of white balance
Adjustment item
1 Setting Backlight: +16
(MAX)
2 Automatic
adjustment
execution
Adjustment conditions
For detailed adjustment procedure refer to "Kameyama Model Integral WB Adjustment
Specifications".
1) Make the following settings for the set.
2) Connect the white balance adjustment tool to the set.
3) The cross is displayed by execute command of RS232C and the probe position is set
4) The cross is disappeared by execute command of RS232C.
[Adjustment procedure]
1) Using the remote controller, transmit the "monitor adjustment process" code.
2) Set the 2nd point to the specified gradation level, With the strongest color being fixed,
3) Set the 1st point to the specified gradation level.
*Initial R, G and B settings at point 2: Gradation level set at 875
* Initial R and B settings at points 1: Correct the setting same remainder of RGB setting
at each point (This is because the adjustment is made to achieve the same remainder of
RGB setting/4 at each point).
[Adjustment value]
As per the "standard set" submitted by Engineering Department.
[Adjustment reference] Instrument: [Minolta CA-210] Engineering instrument.
Point 2
Point 1
Service Manual
Adjustment procedure
AV MODE: [DYNAMIC]
Backlight: +16
Aging time: Min. 60 minutes
to the center of the screen (please attention the operation manual of CA210).
Adjusting the picture by execute command of RS232C
turn down the R,G and B settings to their reference levels.
Correct the G setting (388 x 2nd point G setting /875) (rounded off), and make the R
and B settings to their reference levels.
Level Reference
X=0.272
875
y=0.277
X=0.272
388
y=0.277
Note Set conditions for inspection
AV MODE: [DYNAMIC] (Reset)
Aging Time: Min. 60 minutes
2 – 1
Adj. spec Ins. spec
±0.001 ±0.002
±0.004 ±0.008