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DRX-2<br />
12<br />
DRX-2<br />
■ DIAGNOSTIC SOFTWARE<br />
Due to the complexity of the DVD <strong>recorder</strong>, the time to find<br />
a defect in the <strong>recorder</strong> can become long. To reduce this<br />
time, the <strong>recorder</strong> has been equipped with Diagnostic and<br />
Service software (DS). The DS offers functionality to<br />
diagnose the DVDR hardware and tests the following:<br />
• Interconnections between components<br />
• Accessibility of components<br />
• Functionality of the audio and video paths<br />
This functionality can be accessed via several interfaces:<br />
1. End user/Dealer script interface<br />
2. Player script interface<br />
1. End User/Dealer Script Interface<br />
1.1 Description<br />
The End user/Dealer script interface gives a diagnosis on<br />
a stand alone DVD <strong>recorder</strong>; no other equipment is<br />
needed. During this mode, a number of hardware tests<br />
(nuclei) are automatically executed to check if the <strong>recorder</strong><br />
is faulty. The diagnosis is simply a "fail" or "pass"<br />
message. If the message "FAIL" appears on the display,<br />
there is apparently a failure in the <strong>recorder</strong>. If the message<br />
"PASS" appears, the nuclei in this mode have been<br />
executed successfully. There can be still a failure in the<br />
<strong>recorder</strong> because the nuclei in this mode don't cover the<br />
complete functionality of the <strong>recorder</strong>.<br />
1.3 Contents for sets with Digital Board Chrysalis<br />
1.2 Contents<br />
Unplug the power cord<br />
Hold key pressed<br />
while you plug the <strong>recorder</strong><br />
During the test, the following display<br />
is shown: the counter counts down<br />
from the number of nuclei to be run<br />
before the test finishes. Example:<br />
SET O.K.?<br />
Included tests: 1. DS_ANAB_COMMUNICATIONECHO_NUC<br />
2. DS_DCB_COMMUNICATIONECHO_NUC<br />
3. DS_BROM_COMMUNICATION_NUC<br />
4. DS_SYS_SETTINGSDISPLAY_NUC<br />
5. DS_CHR_DEVTYPEGET_NUC<br />
6. DS_CHR_INT_PIC_NUC<br />
7. DS_CHR_DMA_NUC<br />
8. DS_BROM_WRITEREAD_NUC<br />
9. DS_NVRAM_COMMUNICATION_NUC<br />
10. DS_NVRAM_WRITEREAD_NUC<br />
11. DS_SDRAM_WRITEREADFAST_NUC<br />
12. DS_FLASH_WRITEREAD_NUC<br />
13. DS_FLASH_CHECKSUMPROGRAM_NUC<br />
14. DS_SYS_HARDWAREVERSIONGET_NUC<br />
15. DS_VIP_DEVTYPEGET_NUC<br />
16. DS_VIP_COMMUNICATION_NUC<br />
17. DS_DVIO_LINKDEVTYPEGET_NUC<br />
18. DS_DVIO_PHYDEVTYPEGET_NUC<br />
19. DS_DVIO_LINKCOMMUNICATION_NUC<br />
20. DS_DVIO_PHYCOMMUNICATION_NUC<br />
21. DS_PSCAN_COMMUNICATIONDENC_NUC<br />
22. DS_PSCAN_COMMUNICATIONDEINTERLACER_NUC<br />
23. DS_BE_COMMUNICATIONECHO_NUC<br />
24. DS_ANAB_COMMUNICATIONIICNVRAM_NUC<br />
25. DS_ANAB_COMMUNICATIONIICTUNER_NUC<br />
26. DS_ANAB_COMMUNICATIONIICSOUNDPROCESSOR_NUC<br />
27. DS_ANAB_COMMUNICATIONIICAVSELECTOR_NUC<br />
28. DS_ANAB_CHECKSUMPROGRAM_NUC<br />
YES<br />
NO<br />
To exit DEALER SCRIPT, unplug the power cord<br />
Fig. A<br />
The End use/Dealer script executes all diagnostic nuclei<br />
that do not need any user interaction and are meaningful<br />
on a standalone DVD <strong>recorder</strong>.
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