Philips 32PFL7403D/10 Service Manual page 28

EN 28 5. Q528.2E LB
Yes
Blink Code as
error code
SP
- Channeldecoder type TDA10060
cannot be reloaded without reset
of the channeldecoder.
- Channeldecoder type TDA10048
can be reloaded without reset.
No
Channel decoder
TDA 10048?
No
Third try?
Yes
Log channel decoder error
Input vertical frequency
detected during startup
sequence should not be
taken into account. The
always be safeguarded. If
not, these changes will
lead to EPLD resets which
will switch on the display
Service Modes, Error Codes, and Fault Finding
Enable the Pacific output by sending the PanelConfig.PanelOn
to the Pacific in case of a DFI set
Start 4 seconds preheating timer in case of
an LPL scanning backlight LCD set.
Download firmware into the channel
Yes
No
initialize tuner, Master IF and channel
Wait until Cpipe delivers a stable output
Important remark:
changes (48/50/60Hz)
end situation should
and disturb the startup
performance.
initialize AutoTV by triggering CHS AutoTV Init interface
Initialize Pacific or EPLD related Ambilight
Initialize Ambilight with Lights off.
Do not enter semi-standby state in case of an LPL
scanning backlight LCD set before 4s preheating timer has
elapsed.
Semi-Standby
Figure 5-6 "Off" to "Semi Stand-by" flowchart (part 3)
Release Pacific reset
and wait 200ms
Ping the Pacific through I²C
Pacific acknowledges? No
Yes
Initialize Pacific
Initialize audio
decoder
Downloaded
successfully?
Yes
decoder
Initialize source selection
EPLD
clock
and
Pacific
should
be reset
Reset EPLD
when a
stable
input
clock
Wait 100ms
become
s
available
at their
Reset Pacific clock
input.
Initialize video processing IC's:
- PNX5050 in /82
- scaler EPLD
settings (if applicable)
Third Pacific boot retry?
Yes
Log Pacific error
This is needed here because the
Pacific has to deliver an output
clock towards the DFI. Otherwise
the DFI cannot deliver ambilight
functionality in the lampadaire
mode. The presence of the DFI
can be determined via the display
option.
Release reset MPEG4 module:
BOLT-ON-IO: High
MPEG4 module will start booting
autonomously.
Wait TBD ms
POR polling positive? No
yes
Start alive IIC polling
yes
mechanism
Alive
polling
NOK
Log SW event
STi7100AliveFailedError
and generate fast cold
reboot eventually
followed by a cold reboot.
Because of a bug in the Pacific IC, all video and
display related Pacific parameters should be
initialized before initializing the ambilight related
Pacific parameters. If not, initializing the video and
display related Pacific parameters will overwrite the
ambilight parameters.
Log SW event:
STi7100PorFailure
Wait TBD ms
POR polling positive?
No
bootSTi7100PorFailure:
Log HW error 38 and
generate cold boot
I_17960_062c.eps
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