Service Modes, Error Codes, and Fault Finding
EN 28
5.
Figure 5-9 “Semi Stand-by” to “Stand-by” flowchart
19210_078_120504.eps
120504
transfer Wake up reasons to the Stand by µP.
Stand by
Semi Stand by
Disable all supply related protections and switch off
the DC/DC converters (ENABLE-3V3n)
No
Switch OFF all supplies by switching HIGH the
Standby I/O line
Switch AVC system in reset state
Switch reset-USB, Reset-Ethernet and Reset-DVBs
LOW
Important remarks:
release reset audio 10 sec after entering
standby to save power
Also here, the standby state has to be
maintained for at least 4s before starting
another state transition.
Wait 10ms
Delay transition until ramping down of ambient light is
finished. *)
If ambientlight functionality was used in semi-standby
(lampadaire mode), switch off ambient light (see CHS
ambilight)
*) If this is not performed and the set is
switched to standby when the switch off of
the ambilights is still ongoing, the lights will
switch off abruptly when the supply is cut.
Switch RESET-FUSION-OUTn, RESET-HDMI-MUXn ,
RESET-ETHERNETn Low
Switch ENABLE-WOLAN Low to
power off the Ethernet PHY and
Internal Wifi dongle.
Networked Standby
required?
Yes
transfer specific Firmware and Wake up reasons to the
Wifi dongle to allow networked standby