Philips 42HFL5440T/27 Service Manual page 23

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 LCD backlight
Mute all video outputs
Wait 250ms (min. = 200ms)
Switch off the display by sending the
PanelConfig.PanelOff (I²C) command to the Pacific
switch off ambient light
Semi Standby
Figure 5-7 "Active" to "Semi Stand-by" flowchart
PB52.1HU LC 5.
action holder: AVC
action holder: St-by
autonomous action
H_16770_112.eps
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EN 23
2009-Oct-16