Insignia NS-LCD47HD-09 Service Manual page 24

47"LCD TV
3. No display (LED indicator green)
Check the source
OK
Check LVDS cable
OK
Check D918, IC901, Q904
OK
Check IC903, Q902, Q903
OK
Check T902
OK
Check D906, C919
OK
Check U401
OK
Check panel
Reset source
NG
Reset LVDS cable
NG
Replace D918 or IC901 or Q904
NG
Replace IC903 or Q902 or Q903
NG
Replace T902
NG
Replace D906, C919
NG
Replace main board
NG
Replace panel
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