Flash manufacturer and device id read fails

a) If id read from all of the flashes (D351.and D352) fails most likely the problem is in D300.

Check D300 and control lines:

If any of the signals is missing replace the D300.

Technical Documentation

8. Troubleshooting b) If id read from one or two flashes fails

Figure 26.

Refer to the oscilloscope screen shots next page for what the signals should look like.

8. Troubleshooting

Technical Documentation

FLCS0X

J338

FLOEX

J341

FLWEX

J342

Figure 27. Flash 0 (D351) manufacturer and device id read

FLAd5 J350 FLDa7 J351

Figure 28. the Flash address and databus signals 2.9.6 DiskOnChip id read test fails

Refer to previous chapter "DiskOnChip fault" 2.9.4.

Figure 28. the Flash address and databus signals 2.9.6 DiskOnChip id read test fails

Refer to previous chapter "DiskOnChip fault" 2.9.4.

Technical Documentation 8. Troubleshooting

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