DD Audio DM1000a 소유자 매뉴얼 - 페이지 15
{카테고리_이름} DD Audio DM1000a에 대한 소유자 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. DD Audio DM1000a 19 페이지. Class d monoblock amplifier
TROUBLESHOOTING:
NO POWER
• Check GND connection.
• Check voltage at the amplifier's +12V and REM terminals.
• Check fuses.
NO SOUND ( NO OUTPUT )
• Check all cable routing for shorts or faulty connections,
• Check speakers to verify they are in proper operating condition.
• Check all amplifier controls to ensure they are set properly
(Gain, Crossovers, Master/Slave Switch).
PROTECTION
• Possible causes overheat (thermal), short.
• If the amplifier shuts down due to overheating, it will automatically return to
normal. operation once the amplifier temperature drops below the thermal
shutoff temperature. Make sure there is proper airflow with no obstructions
around the amplifier to avoid further.
• Thermal protection. In some cases an external fan may be required to keep
the amplifier temperature below the thermal protect level.
• The DM Series working voltage is 9V – 16V. When voltage is lower than 8.5V
or higher than 16V the amplifiers will not operate correctly.
DISTORTION
• Check speaker cables for reverse polarity of one channel.
POOR BASS RESPONSE
• Check speaker cables for reverse polarity of one channel.
DD AUDIO / CLASS D MONOBLOCK AMPLIFIER /
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