Philips EJ3.0UPA Service Manual page 21

Service Modes, Error Codes, and Fault Finding
[42"/50" V5, W1 & W2, or 63" V4]
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 off RGB blanking after valid, stable video, corresponding to
the requested output is delivered by the Viper
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
Switch Audio-Reset and sound enable "low"
and demute
Active
PDP SDI
Figure 5-9 "Semi Stand-by" to "Active" flowchart
EJ3.0U PA
PWR-OK-PDP
received within 10s
after Picture flag toggle
?
Log error and
Yes
enter protection
return
5. EN 21
action holder: MIPS
action holder: St-by
autonomous action
No
mode
SP
G_15960_125.eps
020307