HELP ME Tecno Spark 30c No Lights and Display

[ganjaman]

Unit Model: Tecno Spark 30c
History: Nabasa
Action taken: Clean motherboard

Nagbavibrate at charging sya sa schematic diagram pero walang ilaw at display, nagtry narin new lcd
baka may Light ways at Display ways kayo nito mga paps, pashare nalang sa meron...TIA