Philips 32PFL7403D/10 Service Manual page 27

No
No
No
Code = 5
Switch AVC PNX8541
in reset (active low)
Wait 10ms
Switch the NVM reset
line HIGH.
Disable all supply related protections and
switch off the +2V5, +3V3 DC/DC converter.
Wait 5ms
switch off the remaining DC/DC
converters
Switch Standby
3-th try?
I/O line high.
Yes
Blink Code as
error code
SP
Service Modes, Error Codes, and Fault Finding
Enable the supply fault detection
Set I²C slave address
of Standby µP to (A0h)
Switch LOW the RESET-NVM_WP-NANDFLASH line. Add a 2ms delay
before trying to address the NVM to allow correct NVM initialization.
Detect EJTAG debug probe
(pulling pin of the probe interface to
ground by inserting EJTAG probe)
No
Release AVC system reset Release AVC system reset
Feed warm boot script Feed cold boot script
Set I²C slave address
of Standby µP to (60h)
RPC start (comm. protocol) RPC start (comm. protocol)
Flash to Ram image
No
transfer succeeded
No
Code = 53
Enable Alive check mechanism
MIPS reads the wake up reason
In case of an LCD set, check the
Power-OK display line
Power-ok display high?
Reset the Pacific by pulling LOW the Pacific
hardware reset line during 100ms.
Release Pacific reset
Ping the Pacific through I²C
Figure 5-5 "Off" to "Semi Stand-by" flowchart (part 2)
Yes
algorithm
Standby line set to HIGH for 5
seconds
EJTAG probe
connected ?
No
Cold boot?
Yes
Release AVC system reset
Feed initializing boot script
disable alive mechanism
Bootscript ready
in 1250 ms?
Yes
within 30s?
Yes
SW initialization
succeeded
within 20s?
Yes
Wait until AVC starts to
from standby µP.
Log power-ok error and enter
No
protection
Yes
and wait 200ms
Q528.2E LB
SP
No
This will allow access to NVM and
NAND FLASH and can not be done
earlier because the FLASH needs to
be in Write Protect as long as the
supplies are not available.
An EJTAG probe (e.g. WindPower ICE probe) can
be connected for Linux Kernel debugging purposes.
Yes
This is still the timing of the
Jaguar 2k6. Timing need to be
updated if more mature info is
available.
This is still the timing of the This is still the timing of the
Jaguar 2k6. Timing needs to Jaguar 2k6. Timing needs to
be updated if more mature info be updated if more mature info
is available.
This is still the timing of the
Jaguar 2k6. Timing needs to
be updated if more mature info
is available.
communicate
MP
No
5. EN 27
I_17960_062b.eps
230508