Sharp LC32SB27U - LC - 32" LCD TV Service Manual page 44

LC-32D47U/LC-32SB27U/LC-C3237U
7. Adjustment of white balance
Adjustment item Adjustment conditions
1 Setting Backlight: +16
(MAX)
2 Automatic
adjustment
execution
8. Initialization of factory settings
8.1. Making factory settings
Use the adjustment remote controller for the factory settings.
8.1.1 Hold on the remote controller's FACTORY SETTING key.
8.1.2 Sever seconds later, "SETTING COMPLETE" "COMPLETE" "TV VER *.**" appears at the center of the screen.
If background of screen is green, the settings are complete.
8.1.3 Power off the set.
NOTE: Do not turn on the power once the factory settings have been made. Otherwise the factory setting must be made again.
For detailed adjustment procedure refer to "Kameyama Model Integral WB Adjustment
Specifications".
1) Make the following settings for the set.
AV MODE: [DYNAMIC]
Backlight: +16
Aging time: Min. 60 minutes
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
to the center of the screen (please attention the operation manual of CA210).
4) The cross is disappeared by execute command of RS232C.
Adjusting the picture 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,
turn down the R,G and B settings to their reference levels.
3) Set the 1st point to the specified gradation level.
Correct the G setting (168 x 2nd point G setting /568) (rounded off), and make the R
and B settings to their reference levels.
*Initial R, G and B settings at point 2: Gradation level set at 568
* 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.
Level
Point 2 568
Point 1 168
Note Set conditions for inspection
AV MODE: [DYNAMIC] (Reset)
Aging Time: Min. 60 minutes
SETTING COMPLETE
TV VER * . **
5 – 23
Adjustment procedure
Reference Adj. spec
X=0.272
±0.001
y=0.277
X=0.272
±0.004
y=0.277
Ins. spec
±0.002
±0.008