TCL 21M62S, Service Manual

Page: 14 / 56

TCL-THOMSON Electronics R&D Center (Shen’Zhen Lab)
Chassis Name
M123SP
南美软件
Serial No.
Issued on
2006-04-29
Page 8 of 13
Updated on
2006-07-29
Version
2.0
equipment, white balance can be adjusted automatically as following: Press “BUS OFF”
button under factory mode, the TV set will adjust automatically.
standard
：
Warm X=310+8, Y=314+8
Cool X=278+8, Y=282+8
Remark:
1) Provided the production line is equipped with the self- White balance adjusting
equipment, white balance of M123SP chassis can be adjusted automatically as following:
Press “I2C BUS” button under factory mode, the TV set will adjust automatically.
2) Free-alignment of warm and cool temperature by presetting the value of RC-W,
GC-W, BC-W, GD-W, BD-W (for warm temperature) / RC-C,GC-C,BC-C,GD-C,BD-C(for
cool temperature ) into memory
5. Adjustment of Sub-brightness
Apply the Grey-scale/Color bar (NTSC signal) to the AV input, in normal status. Enter
factory alignment menu 8, Select BRTS to adjust the sub-brightness, until that the 2
nd
dark
bar of 8 level Grey scale just can be seen.
6. picture geometric adjustment
1. Apply the Philips standard testing pattern NTSC (PAL-N) in normal status, then
enter menu 3, adjusting the following data to get the min-distortion.
HPOS6(HPOS5) （ Horizontal Center ）
2. Apply the Philips standard testing pattern in normal status, then enter menu 2,
adjusting the following data to get the min-distortion.
HIGH6 (HIGH5) (Height)
VLIN6
（ VLIN5 ） (Linearity ）
VSC6 （ VSC5 ） (Vertical-S Correction ）
VCEN6 （ VCEN5 ） (Vertical Center ）
7.X rays over voltage protecting circuit test :
TV enter working mode
，
apply more than 26V DC voltage between two ends of C431
，
the set should enter protecting mode
，
or check
X rays protecting circuit.
14