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Service Modes, Error Codes, and Fault Finding
EN 24 Q549.2E LA5.
2009-May-08
Figure 5-9 “Active” to “Semi Stand-by” flowchart (LCD non DFI)
Semi Standby
Active
action holder: AVC
autonomous action
action holder: St-by
Wait 250ms (min. = 200ms)
Mute all sound outputs via softmute
Mute all video outputs
switch off LCD backlight
Force ext audio outputs to ground
(I/O: audio reset)
And wait 5ms
Switch off the display by sending the
TurnOnDisplay(0) (I²C) command to the PNX5100
switch off Ambilight
Set main amplifier mute (I/O: audio-mute)
Wait 100ms
Wait until Ambilight has faded out
(fixed wait time of x s)
The higher level requirement is that the
backlight may not be switched off before the
ambilight functionality is turned off in case the
set contains a CE IPB inverter supply.
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