Sony PCS-1500 Service Manual page 182

4-2. Self-diagnostics Function
. Note on the BRI block self-diagnostics
The bug that displays the message "ALL TEST PASSED", can occur in the BRI block self-diagnostics
even if the test of number 6 has ended in FAIL, depending on the version number of the diagnostics
software.
When the BRI block is diagnosed, confirm that the diagnostics of each line has not ended in FAIL.
This bug occurs when the following commands are used but the bug does not occur in the new version.
#diag[|]bri↓
#diag[|]auto↓
BRI diagnostics ...
1. Set download mode
2. Testing SRAM for BRI firmware : PASSED
3. Download BRI firmware : done
4. Set normal mode : done
5. Testing SRAM for firmware work area : PASSED
6. Checking initialize message from BRI : FAILED
7. BRI Firmware version : 3.27
BRI : ALL TEST PASSED
4-52
PCS-1500/1500P