TCL LCD32V8SY, Service Manual, Page: 16 / 33

4. ALLIGNMENT PROCEDURE
1 Scope
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AFC031A chassis is developed for America market which supports 1 analog RF input,1 VGA input,
1 DVI input,1 compenent input,1 Video input,1 S-Video input.
2 Alignment content and method
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2.1 How to enter the Factory Menu
2.1.1 press “vol-” button on the remote control to decrease volume to zero
2.1.2 press “mute” button
ē
make mute icon displays on the right screen
2.1.3 input the password “9735” in 5S,then factory appears on the left up screen
2.2 How to enter Service Menu:
2.2.1 press “vol-” button on the remote to decrease volume to zero
2.2.2 press “mute” button
ē
make mute icon displays on the right screen
2.2.3 input the password “3175” in 5S,then Service Menu appears on the center screen
3 check picture geometry in VGA source
3.1 preparation and connection
3.1.1 connnect VGA cable from Chroma2327 port to set VGA input port
3.1.2 choose the “Crosshatch” pattern and the specified timing
Remark:following timing is specified
640*480@60Hz,640*480@75Hz,800*600@60Hz,800*600@72Hz,800*600@75Hz,1024*768
@60Hz,1024*768@75Hz
3.1.3 enter the “Geometry” sub-menu,make “Auto Ajust”,the picture should display in the center of the
screen,should not have distortion
c
noise,etc.
4 manual white balance alignment
4.4 VGA source
4.4.1 press “input” button to choose the VGA source
4.4.2 connect VGA cable from Chroma2327
4.4.3 in “picture” sub-menu,set “warmth” item “normal”,set “Picture Preset” item “Natural”
4.4.4 enter factory menu
4.4.5 enter “Balance” sub-menu
4.4.6 input 1024*768@75 format,11Grays pattern
4.4.7 in “Balance” sub-menu,choose “VGAcalbr”,press “ok” button to selection RGB ADC calibration
4.4.8 input white pattern
4.4.9 select R\G\B Offset & Gain calibration.Target is:(x,y)=(299,315)
4.5 TV source
4.5.1 connect video signal to the video P501 connector and Fluke5418 video connector
4.5.2 choose VID1 source
4.5.3 input white pattern
4.5.4 select R\G\B Offset & Gain calibration.Target is:(x,y)=(285,294
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4.6 YPbPr source
4.6.1 connect YPbPr signal to J007 connector
4.6.2 choose CMPT source
4.6.3 input the SMPTE Color Bar pattern,720p60Hz format,like the attached figure1