“Active” To “Semi Stand-By” Flowchart - Philips 42PF9731D Service Manual

EN 26 5. BJ2.4U/BJ2.5U LA Service Modes, Error Codes, and Fault Finding
32" / 37" / 42" LCD LPL &
32" LCD LPL scanning
backlight
action holder: MIPS
Active
action holder: St-by
autonomous action
Mute all sound outputs.
Switch reset-audio and sound-enable
lines high
switch off LCD lamp
Mute all video outputs
Wait 250ms (min. = 200ms)
Switch off LVDS signal
(Viper I/O: PD-LVDS)
Switch off 12V LCD supply within a time frame of min.
0.5 ms to max. 50ms after LVDS switch off.
(Viper I/O: LCD_PWR_ON)
Semi Standby
F_15570_012.eps
230606
Figure 5-11 "Active" to "Semi Stand-by" flowchart