PROTECTION CIRCUITRY
Your REFERENCE Class A amplifier is protected against both overheating and
short circuits by means of the following circuits:
l
Main power supply fuses
l
Smart Power Supply Thermal Rollback activating at 85°C.
l
A fail-safe thermal protection circuit activating at 95°C.
Your amplifier also incorporates an innovative Fault Diagnosis system that
identifies a blown power supply fuse.
NOTE: If you experience blown main power supply fuses, DO NOT increase
values beyond the original fuse value! Doing so will void your warranty and
may damage your amplifier.
TROUBLESHOOTING
PROBLEM
I
CAUSE
No sound
and
LEDs
are not
lit
Fault LED is lit
l
no power or ground at amp
0
no remote turn-on signal
l
blown fuse near battery
9
amp power supply fuse is blown
or missing
Repeatedly blown amp fuse,
frequent activation of Smart Power
Supply Circuit
l
check speaker configuration,
amp may be in “High Power’
mode, put amp into “High
Current” mode if speaker load is
less than 1 ohm (see p.12,
‘Setting High Power/High Current
Switch”)
l
speaker or leads may be shorted
l
verify adequate amplifier
ventilation
SERVICE
Your Soundstream REFERENCE Class A amplifier is protected by a limited
warranty. Please read the enclosed warranty card.
18
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