Bl_On/Off (Wave Form) - THOMSON 50M14DP Service Manual

3.20 BL_ON/OFF (wave form):
BL_ON and BL_OFF timing test:
Blue: VBL; Green: DIM; Purple: BL_ON.
PIN12 of P102 is the
test
BL_ON/OFF. The value
is 3.3V high level in
15
point of