LG Flatron E2260S - Raster;Lamp Off Troubleshooting Steps

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6. RASTER
Check U401, X401
YES
Check BKLT-VBRI
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Check U401
Check Q301, Q302
NO
YES
YES
Check PANEL_VCC
YES
NO
NO Raster
(Lamp Off)
Check
CN702
=
12V
Check BKLT-EN
signal
Check the adapter
Check Interface section or
main board
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NO
NO