“Active” To “Semi Stand-By” Flowchart (Lcd Non Dfi) - Philips Q549.2E LA Service Manual

EN 24 5. Q549.2E LA
2009-May-08
Service Modes, Error Codes, and Fault Finding
Active
Mute all sound outputs via softmute
Wait 100ms
Set main amplifier mute (I/O: audio-mute)
Force ext audio outputs to ground
(I/O: audio reset)
And wait 5ms
switch off Ambilight
Wait until Ambilight has faded out
(fixed wait time of x s)
switch off LCD backlight
Mute all video outputs
Wait 250ms (min. = 200ms)
Switch off the display by sending the
TurnOnDisplay(0) (I²C) command to the PNX5100
Semi Standby
Figure 5-9 "Active" to "Semi Stand-by" flowchart (LCD non DFI)
action holder: AVC
action holder: St-by
autonomous action
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.
I_17660_129.eps
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