Sony DSX-A400BT Operating Instructions Manual page 33

Fuse replacement
When replacing the fuse, be sure
Fuse (10 A)
to use one matching the
amperage rating stated on the
original fuse. If the fuse blows,
check the power connection and
replace the fuse. If the fuse blows
again after replacement, there
may be an internal malfunction. In such a case,
consult your nearest Sony dealer.
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