Read LG 42PG3HD-UA (CHASSIS:PU84A) Service Manual online
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No OSD Trouble Shooting (Module Power Sequence)
Normal Display
Vcc
(5V)
Va
Vs
DISPEN
T
VaR
T
VsR
T
On
T
VaF
T
VsF
T
Off
☞
1)
Power_on
3 Sec
Power_off
3 Sec
Min
100ms
Min.
2Frame (Recommend: 2 sec)
2Frame (Recommend: 2 sec)
msec
500
90
Falling Time of Vs (90% to 10%)
T
VsF
msec
2000
600
Time interval between 90% of Vcc and 90% of Vs
when Power On
T
on
+
T
VsR
msec
800
100
Rising Time of Vs (10% to 90%)
T
VsR
msec
300
50
Falling Time of Va (90% to 10%)
T
VaF
msec
300
10
Rising Time of Va (10% to 90%)
T
VaR
msec
-
20
Time interval between 10% of Vs and 90% of Vcc
when Power Off
T
Off
msec
-
500
Time interval between 90% of Vcc and 10% of Vs
when Power On
T
On
unit
Max.
Min.
Description
Symbol
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