Panasonic JB-3300 Technical Manual page 465

(5) WRITE mode
(a) End IRQ does not rise after the command has been transferred.
o Refer to (4) (a).
(b) Always an error occurs after the start.
1)
Refer to (4) (b)
for errors in the ID section.
2) DATA WRITE errors
o NDC 842 (7E) is faulty.
o NDC 840 (4B) is faulty.
o NDC 846 (4A) is faulty.
Oo 26LS31 (7B) is faulty.
(c) Some times an error occurs after the start.
1) Refer to (4) (c) for errors in the ID section.
2) DATA WRITE errors
Oo Refer to (5) (b).
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