Philips DVDR9000H/75 Service Manual page 41

Firmware Upgrading & Diagnostic Software
DS_BE_WriteReadDvdR
Nucleus Name
Nucleus Number 907
Description Write data to and read data from a DVD+R disc through the basic engine for
verification of the writing
Technical -
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Execution Time Approximately 20 seconds
User Input None
Error Number
90700
90701
90702
90703
90704
90705
90706
90707
90708
90709
90710
DS:> 907
Example
090700: Testing on sector 0x36210: OK
Test OK @
Check if an AV2 or AV3 is connected
Execute DS_BE_GetSelftestResults
Send the TRAY_IN command
Send the READ_TOC command
Use the OPC area to test if the DVD+R is (still) writable
Generate test data to write to the DVD+R
In case of an AV2 Transfer the test data to the disc location using DMA
In case of an AV3 Transfer the test data to the disc location using PIO
mode ATAPI WRITE_10
In case of an AV2 Read back the data from disc using DMA
In case of an AV3 Transfer the test data to the disc location using PIO
mode ATAPI READ_10
Compare the two data areas and check whether the areas are equal
Description
The command executed successfully
This nucleus cannot be executed because the Self-Test failed
The BE cannot enter normal operating mode
Unable to send the tray in
Unable to read TOC from disc
Invalid disc is loaded, please insert a DVD+RW disc
Unable to write, the DVD+R disc is full
No writable DVD+R sector found
Writing the test pattern to DVD failed
Reading back the test pattern from DVD failed
Compare check failed
3139 785 31681 5. EN 41