Service Modes, Error Codes, and Fault Finding
EN 30 BJ3.1E LA5.
Figure 5-13 “POD Stand-by” to “Semi stand-by” flowchart
G_15960_135.eps
030806
action holder: MIPS
autonomous action
action holder: St-by
Semi-Standby
MPIF's should be initialized.
MPIF should deliver 4 observers:
POR= 0; normal operation
MSUP = 1: Main supply is present
ASUP = 1; audio supply is present
ROK = 1; reference frequency is present (coming from AVIP)
(AVIP's need to be started before the MPIF's in order to have a good clock distribution).
AVIP default power-up mode is Standby. The Viper instructs AVIP via I²C to enable all the
PLL's and clocks and hence enter to Full Power mode.
Initialize tuners and Hirate
All observers present with correct state? appropriate Observer errorNo
Yes
Initialize video processing IC's
- Spider
Initialize source selection
Initialize Columbus
Initialize 3D Combfilter
Initialize AutoTV
MP
POD stand by
Initialize PNX2015 HD subsystem
Full SSB power and the display related supplies
become available
Switch ON all supplies by switching LOW
the ON-MODE I/O line.
+8V6 error
+8V6
detected within
2000 ms after ON-MODE
toggle?
No
Yes
Activate +8V6 supply
detection algorithm
Wait 2000ms to allow main supply to
deliver full power.
Power-up HDMI and 1394 hardware by putting
POWERDOWN-1394 GPIO 0 line low.
Enable Viper HW blocks (TM1, TM2, MBS, VMSP1 and
VMSP2) which were in powerdown mode.
Release PNX2015 reset
Enable audio protection algorithm
SP
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