“Semi Standby” To “Standby” Flowchart - Philips 40PFL8008K/12 Service Manual

EN 28 5. QFU1.2E LA
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.
2014-Jan-10
Service Modes, Error Codes, and Fault Finding
Semi Stand by
If ambientlight functionality was used in semi-standby
(lampadaire mode), switch off ambient light (see CHS
ambilight)
Delay transition until ramping down of ambient light is
finished. *)
transfer Wake up reasons to the Stand by µP.
transfer specific Firmware and Wake up reasons to the
Wifi dongle to allow networked standby
Switch AVC system in reset state
Switch reset-USB, Reset-Ethernet and Reset-DVBs
LOW
Switch RESET-FUSION-OUTn, RESET-HDMI-MUXn ,
RESET-ETHERNETn Low
Wait 10ms
Disable all supply related protections and switch off
the DC/DC converters (ENABLE-3V3n)
Switch OFF all supplies by switching HIGH the
Standby I/O line
Networked Standby
required?
Yes
Stand by
Figure 5-8 "Semi Standby" to "Standby" flowchart
back to
div. table
*) 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.
No
Switch ENABLE-WOLAN Low to
power off the Ethernet PHY and
Internal Wifi dongle.
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