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LCD TV SERVICE MANUAL - Jordans Manuals

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Standard Repair Process<br />

<strong>LCD</strong> <strong>TV</strong><br />

Error<br />

symptom<br />

A. Video error<br />

Color error<br />

Established<br />

date<br />

Revised date<br />

2008. 3 .26<br />

Electronics 6-3<br />

4/13<br />

Other Module<br />

Replace module<br />

Check color by input<br />

-External Input<br />

-COMPONENT<br />

-RGB<br />

-HDMI/DVI<br />

Color<br />

error?<br />

N<br />

Y<br />

※ Check<br />

and replace<br />

Link Cable<br />

(LVDS) and<br />

contact<br />

condition<br />

Color<br />

error?<br />

N<br />

Y<br />

Replace Main B/D<br />

Color<br />

error?<br />

N<br />

Y<br />

Replace<br />

T-Con<br />

Board<br />

Y<br />

Color<br />

error?<br />

N<br />

Check error<br />

color input<br />

mode<br />

End<br />

Check Test pattern<br />

External Input/<br />

Component<br />

error<br />

Check<br />

external<br />

device and<br />

cable<br />

External device<br />

/Cable<br />

normal<br />

N<br />

Y<br />

Replace Main B/D<br />

Request repair<br />

for external<br />

device/cable<br />

N<br />

RGB/<br />

HDMI/DVI<br />

error<br />

Check external<br />

device and<br />

cable<br />

External device<br />

/Cable<br />

normal<br />

Y<br />

Replace Main B/D<br />

Copyright c 2009 LG Electronics. Inc. All right reserved.<br />

Only for training and service purposes<br />

LGE Internal Use Only

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