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Service Modes, Error Codes, and Fault Finding
The assumption here is that a fast toggle (<2s) can
only happen during ON->SEMI
->ON. In these states,
the AVC is still active and can provide the 2s delay. A
transition ON->SEMI->STB Y->SEMI->ON cannot be
made in less than 2s, because the standby state will
be maintained for at least 4s.
Start POWER-OK line
detection algorithm as defined
in the CHS service.
Wait until previous on-state is left more than 2
seconds ago. (to prevent LCD display problems)
Display already on?
(cold boot with splash
screen)
Startup display
(see separate tab)
Wait until valid and stable audio and video, corresponding to the
the backlight has been switched on for at least the time which is
return
Figure 5-7 "Semi Stand-by" to "Active" flowchart
back to
div. table
QFU2.1E LA
Semi Standby
Assert RGB video blanking
and audio mute
Yes
No
requested output is delivered
AND
indicated in the display file as preheat time
Release audio mute
unblank the video
Set the Ambilight functionality according the last status
settings
Display cfg file present
and up to date, according
correct display option?
No
Yes
Prepare Start screen Display config
file and copy to Flash
Active
5.
EN 31
Initialize audio and video
processing IC's and functions
according needed use case.
19210_079_120504.eps
120504
2013-Apr-05
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