LG Electronics 50PT490B, 50PT490B-SA, 50PT490B-SD No OSD Trouble Shooting (Module Power Sequence)

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Only for training and service purposes LGE Internal Use Only
No OSD Trouble Shooting (Module Power Sequence)
msec-2000
Time interval between 10% of Vcc and 90% of Vcc
when Power On
TOnR
msec50090
Falling Time of Vs (90% to 10%)
TVsF
msec-3100
Time interval between 90% of Vs
and DISPEN rising edge when Power On
Td_on
msec60001500
Time interval between DISPEN falling edge
and 90% of Vs when Power Off
Td_off Recommended 2sec
msec30010
Rising Time of Va (10% to 90%)
TVaR
msec400100
Rising Time of Vs (10% to 90%)
TVsR
msec50050
Falling Time of Va (90% to 10%)
TVaF
msec-20
Time interval between 10% of Vs and 90% of Vcc
when Power Off
TOff
msec1250750
Time interval between 90% of Vcc and 10% of Vs
when Power On
TOn
unitMax.Min.DescriptionSymbol
Td_on Td_off
Normal Display
Vcc
(5V)
Va
Vs
DISPEN
TVaR
TVsR
TOn
TVaF
TVsF
TOff TOnR