Philips DVDR615 Service Manual page 23

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Example DS:> 303 DIAGNOSTICS 5 1 0x5a
030300: Section is modified successfully
Test OK @
Nucleus Name DS_NVRAM_Read
Nucleus Number 304
Description Read out one or more locations in the NVRAM
Technical -
-
-
Execution Time Less than 1 second
User Input 1. The location which must be read i.e. "ALL" "BOOT" "DIAGNOSTICS" "DOWN LOAD"
"CONFIG" "RECORDER" or no string if an offset from the base address of the NVRAM
is required
2.
<offset> <length>
Error Number
30400
30401
30402
30403
30404
30405
30406
30407
30408
Example 304 DIAGNOSTICS 0 6
030400: Value read = 0x00 0x00 0x00 0x00 0x00 0x5A
Test OK @
SDRAM
Nucleus Name DS_SDRAM_WriteRead
Nucleus Number 400
Description Check all data lines, address lines and memory locations of the SDRAM
Technical -
-
-
Execution Time 11 seconds for 32 Mb
23 seconds for 64 Mb
User Input None
Error Number
40000
40001
40002
40003
Example DS:> 400
040000:
Test OK @
Nucleus Name DS_SDRAM_WriteReadFast
Nucleus Number 401
Description Check all data lines and address lines of the SDRAM
Technical -
-
Execution Time Less than 1 second
User Input None
Error Number
40100
40101
40102
Example DS:> 401
040100:
Test OK @
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Diagnostic Software
Initialise IIC
Decode user input
Read from the NVRAM and return this info to the user
The offset and number of bytes to read
Description
Value read
Unable to initialise NVM
Reading the NVRAM contents failed
length out of range
unable to decode length
offset out of range
unable to decode offset
unknown location specified
no location is specified
Test the databus
Test the address bus
Test the integrity of the device itself (memory locations)
Description
The write-read test succeeded
The data bus contains an error
The address bus contains an error
The SDRAM itself contains an error
Test the databus
Test the addressbus
Description
The write-read test succeeded
The data bus contains an error
The address bus contains an error
DVDR615/69 5. EN 23