Semi Standby - Philips BJ3.0E Service Manual

Service Modes, Error Codes, and Fault Finding
42" FHP 1024i A3

Semi Standby

Assert RGB video blanking
Initialize audio and video processing IC's and
functions according needed use case.
Wait until QVCP generates a valid lvds output
Switch off RGB blanking after valid, stable video, corresponding to
the requested output is delivered by the Viper
Vs and Va become active
No detected within 2s after
MP
Add 800ms delay before resuming startup to avoid transients
because of slow rising high tension voltages
Switch on LVDS transmitter
Enable anti-aging through Anti-
agingEnable interface of CHS
Unblank by sending ADEN = 1
Switch Audio-Reset and sound enable low and demute
(see CHS audio LdspMute interface).
Start polling PDP-IRQ
and audio mute
clock.
Make PDPGO high:
Power-OK display
switching PDPGO?
Yes
(PNX2015)
displays
to PDP display
Active
Figure 5-6 "Semi Stand-by" to "Active" flowchart 42" FHP 1024i A3
BJ3.0E PA
PDPON mode [CNDC] = 4
detected within 10s after
switching PDPGO?
Yes
Return
5. EN 25
action holder: MIPS
action holder: St-by
autonomous action
No Log display error
Yes
G_15960_123.eps
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