Philips BJ2.4U Service Manual page 24

EN 24 5. BJ2.4U/BJ2.5U PA Service Modes, Error Codes, and Fault Finding
42" / 50" SDI V4
action holder: MIPS
action holder: St-by
autonomous action
Semi Standby
Assert RGB video blanking
and audio mute
Initialize audio and video processing IC's and
functions according needed use case.
Wait until QVCP generates a valid lvds output
clock.
Switch on LVDS transmitter
(PNX2015) (if not already on)
Switch the SDI Picture Flag low to enable picture. 1.5
seconds later, the display will unblank automatically
and show the lvds content.
Enable anti-aging through
Anti-agingEnable interface of
CHS displays
PWR-OK-PDP
received within 10s
after POD and ONmode No
toggle ?
Switch off RGB blanking after valid, stable video, corresponding to
the requested output is delivered by the Viper
Log error and
Switch Audio-Reset and sound enable low and
enter protection
demute
mode
Yes
(see CHS audio LdspMute interface).
Active return SP
G_15910_011.eps
230606
Figure 5-10 "Semi Stand-by" to "Active" flowchart 42" and 50" SDI V4