Specifications

6-6 888-2857-001 5/9/13
WARNING: Disconnect primary power prior to servicing.
Section 6 Diagnostics
Platinum VAX-C Series
ASI 2 LP Error on ASI 2 LP
in MOD FPGA for
DVB
System LED red. No errors Input present:
Uncorrected byte errors,
Corrected byte errors,
Buffer overflow
Input not present:
Hierarchy mode AND
ERRW_MODFPGA_PRBS_ON
=false
Modulator Illegal
Config Mute
Indicates illegal
DVB configuration
parameters in
MOD FPGA
System and Mute
LEDs red.
DVB
configuration
parameters valid
DVB-T:
MFN mode:
8k FFT AND 8k interleaver,
MIP control AND MIP bad AND
no_mip_no_mute = false
SFN mode:
MIP bad,
8k FFT and 8k interleaver,
Storage time < 0.5 us
Modulator Illegal FFT/
Interleaver
Indicates illegal
combination of 8k
FFT and 8k
interleaver in DVB
System LED red. FFT size of 8k is
not used with 8k
interleaver mode
FFT size of 8k is set with 8k
interleaver mode AND
ERRF_MODFPGA_CONFIG_MUT
E = true
Modulator DVB
Storage Time < .5
Indicates input
storage time too
low in DVB SFN
mode
System LED red. Storage time > 0.5
us
Storage time <0.5 us AND
ERRF_MODFPGA_CONFIG_MUT
E = true
Modulator DVB MIP
Packet Error
Indicates required
MIP packet is bad
in DVB
System LED red. MIP packet is
good
MIP packet bad on selected input
AND
ERRF_MODFPGA_CONFIG_MUT
E = true
Modulator Input Frame
Timing Unsync
Indicates input
circuit has not
synchronized in
DVB MOD FPGA
System and Mute
LEDs red.
DVB MOD FPGA
output processing
reset line low
DVB MOD FPGA output processing
reset line high
Modulator Input A Indicates input A
is present in MOD
FPGA. ATSC ASI
HPA
System LED red.
TS Input LED
yellow or red.
MPEG sync
indicator = 1
MPEG sync indicator = 0
AND
input A selected for primary or
auxiliary input
Modulator Input C Indicates input C
is present in MOD
FPGA. ATSC ASI
LPB
System LED red.
TS Input LED
yellow or red.
MPEG sync
indicator = 1
MPEG sync indicator = 0
AND
input C selected for primary or
auxiliary input
Modulator Input B Indicates input B
is present in MOD
FPGA. ATSC
SMPTE A
System LED red.
TS Input LED
yellow or red.
MPEG sync
indicator = 1
MPEG sync indicator = 0
AND
input B selected for primary or
auxiliary input
Table 6-3 MODFPGA Modulation Specific Faults
Fault Log Message Fault Description Front Panel LEDs
Nominal Value/
Scaling
Trip Level