Philips QV15.1E LA Service Manual page 41

5.2.4 "Semi Standby" to "Active"
The assumption here is that a fast toggle (<2s) can
only happen during ON->SEMI
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
Service Modes, Error Codes, and Fault Finding
->ON. In these states,
be maintained for at least 4s.
Start POWER-OK line
detection algorithm as defined
in the CHS service.
return
Figure 5-5 "Semi Standby" to "Active" flowchart
Semi Standby
Wait until previous on-state is left more than 2
seconds ago. (to prevent LCD display problems)
Assert RGB video blanking
and audio mute
Display already on?
(cold boot with splash
screen)
No
Startup display
(see separate tab)
Wait until valid and stable audio and video, corresponding to the
requested output is delivered
the backlight has been switched on for at least the time which is
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?
Yes
Prepare Start screen Display config
file and copy to Flash
Active
back to
div. table
QV15.1E LA 5.
Yes
Initialize audio and video
processing IC's and functions
according needed use case.
AND
No
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120504
2015-Dec-18