Colour Television Chassis: M123A
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3)Alignment of warm colour temperature
Change Color Temperature to warm status
Use a colour 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 colour analyzer to X=296, Y=294.
Use a colour analyzer to measure the white side of the screen. By changing the value of GD-W,
BD-W set the reading of the colour analyzer to X=296, Y=294.
Separately set the brightness and contrast from min. to max., repeat the step 2 and 3 until the
reading of the colour analyzer is correct.
4)Alignment of cold colour temperature
Change Color Temperature to cold status
Use a colour 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 colour analyzer to X=279, Y=265.
Use a colour analyzer to measure the white side of the screen. By changing the value of GD-C,
BD-C, set the reading of the colour analyzer to X=279, Y=265.
Separately set the brightness and contrast from min. to max., repeat the step 2 and 3 until the
reading of the colour 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 IC BUS
button under factory mode, the TV set will adjust automatically.
6. Adjustment of Sub-brightness,
Apply the Grey-scale/Color bar (NTSC signal) to the AV input, in normal status.
nd
Select BRTC to adjust the sub-brightness, until that the 2 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.
9. Alignment Procedures
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