42PT350B-SA (CHASSIS:PB11K) - LG TV Service Manual (repair manual). Page 45

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No OSD Trouble Shooting (Module Power Sequence)
msec
-
2000
Time interval between 10% of Vcc and 90% of Vcc
when Power On
T
OnR
msec
500
90
Falling Time of Vs (90% to 10%)
T
VsF
msec
-
3100
Time interval between 90% of Vs 
and DISPEN rising edge when Power On
T
d_on
msec
6000
1500
Time interval between DISPEN falling edge 
and 90% of Vs when Power Off
T
d_off
Recommended 2sec
msec
300
10
Rising Time of Va (10% to 90%)
T
VaR
msec
400
100
Rising Time of Vs (10% to 90%)
T
VsR
msec
500
50
Falling Time of Va (90% to 10%)
T
VaF
msec
-
20
Time interval between 10% of Vs and 90% of Vcc
when Power Off
T
Off
msec
1250
750
Time interval between 90% of Vcc and 10% of Vs 
when Power On
T
On
unit
Max.
Min.
Description
Symbol
T
d_on
T
d_off
Normal Display
Vcc
(5V)
Va
Vs
DISPEN
T
VaR
T
VsR
T
On
T
VaF
T
VsF
T
Off
T
OnR
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