Troubleshooting, Service, Parallel diagrams see – Soundstream Technologies Granite 120.4 User Manual
Page 20: A main power supply fuse, Short-circuit shutdown, Problem cause no sound and are not lit, No power or ground at amp, No remote turn-on signal, Blown fuse near battery, Verify adequate cooling of the amplifier shut-off
Your Granite amplifier is protected against both overheating and short circuits by
means of the following circuits:
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A main power supply fuse
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A fail-safe
protection circuit activating at 85°C.
. Overcurrent Channel Circuit Breakers
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Short-circuit shutdown
TROUBLESHOOTING
PROBLEM
CAUSE
No Sound and
are not lit
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no power or ground at amp
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no remote turn-on signal
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blown fuse near battery
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blown power supply fuse (accessible
through access cover on-bottom of amp)
Repeatedly blown amp fuse or
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speaker or leads may be shorted
frequent activation of thermal
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verify adequate cooling of the amplifier
shut-off
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speaker load may be less than 2 Ohms
SERVICE
Your Soundstream amplifier is protected by a limited warranty. Please read the
warranty card enclosed with this product.
& PARALLEL
DIAGRAMS
See
the diagram below. Note that the manner in which speakers are connected
affects the load presented to the amplifier. Keep your speaker load at 2 ohms or
greater for any Granite amplifier (4 ohms or greater in Bridged Mode).
Two 4 Ohm Speakers
in SERIES 8 Ohms
Two 4 Ohm Speakers
in PARALLEL 2 Ohms
Two Ohm Speakers
in PARALLEL 4 Ohms
T
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SOUNDSTREAM TECHNOLOGIES
120 Blue Ravine Road
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Folsom
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California 95630 USA
tel 916.351.1288
fax 916.351.0414
1993
, 520.93