TCL AT2127, Service Manual

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③
Use a color analyzer to measure the white side of the screen. By changing the
value of GD, BD, set the reading of the color analyzer to X=285, Y=295.
④
Separately set the brightness and contrast from min. to max., repeat the step 2 and
3 until the reading of the color analyzer is correct.
3)Alignment of warm color temperature
①
Change Color Temperature to warm status
②
Use a color analyzer to measure the black side of the screen. By changing the value
of RC-W, GC-W and BC-W, set the reading of the color analyzer to X=294, Y=303.
③
Use a color analyzer to measure the white side of the screen. By changing the value
of GD-W, BD-W set the reading of the color analyzer to X=294, Y=303.
④
Separately set the brightness and contrast from min. to max., repeat the step 2 and 3
until the reading of the color analyzer is correct.
4)Alignment of cold color temperature
①
Change Color Temperature to cold status
②
Use a color analyzer to measure the black side of the screen. By changing the value
of RC-C, GC-C BC-C , set the reading of the color analyzer to X=279, Y=286.
③
Use a color analyzer to measure the white side of the screen. By changing the value
of GD-C, BD-C, set the reading of the color analyzer to X=279, Y=286.
④
Separately set the brightness and contrast from min. to max., repeat the step 2 and 3
until the reading of the color analyzer is correct
Note: Provided the production line is equipped with the self- White balance
adjusting equipment, white balance of M123A chassis can be adjusted automatically
as following: Press “I
2
C BUS” button under factory mode, the TV set will adjust
automatically.
6. Adjustment of Sub-brightness,
①
Apply the Grey-scale/Color bar (NTSC signal) to the AV input, in normal status.
②
Select BRTC to adjust the sub-brightness, until that the 2
nd
dark bar of 8 level
Grey scale just can be seen.
7. PAL picture geometric adjustment
menu 3
HPOS6/HPOS5
（
HZ horizontal center of 60/50 HZ Source
）
Menu 2
HIGH6/HIGH5(vertical amplitude)
VCEN5/VCEN6(position of vertical center)
VP60/VP50
（
vertical position
）
VLIN6/VLIN5
（
vertical linearity
）
VSC6/VSC5
（
V-S Correction
）
8 initialization
press sound-effect under factory mode, the set will initialize, until “OK” appears
on the screen which means the initialization is finished. After initialization, the set
will quit factory mode automatically.