Precision Power Troubleshooting Sound Issues with Amplifiers

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TROUBLESHOOTING
NO SOUND Is the LED illuminated?
YESNO
Check Power and Remote turn-on wire for voltage. Make sure the ground wire is secure.
STILL NO SOUND
See your Authorized PrecisionPowerTM Dealer or call 1-800-62POWER.
SOUND IN ONE CHANNEL ONLY

Reverse the left and right speakers by unplugging the speaker connector,

turning it over and plugging it back in.

 

SOUND IS NOW IN

 

OPPOSITE CHANNEL

SAME CHANNEL

Reverse RCA inputs.

Problem is in the speaker or

 

 

 

 

speaker wire of the silent

 

 

 

 

channel.

 

 

SOUND IS NOW IN

 

 

OPPOSITE CHANNEL

SAME CHANNEL

Reverse RCA inputs

Problem is in the amplifier.

at head unit.

See your local Authorized

 

 

 

 

PrecisionPower Dealer or

 

 

 

 

call 1-800-62POWER.

 

 

 

SOUND IS NOW IN

 

 

 

OPPOSITE CHANNEL

SAME CHANNEL

Problem is in the head

Problem is in the RCA

unit or before the amplifier.

cables.

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Contents Amplifier Models Table of Contents Congratulations ServiceSpecifications FeaturesFuse Requirements Qbass PlustmAmplifier Status Leds TOOLS/PARTS for Installation QBASS/QBASS Plus SpecificationsWiring Page Charging System Ground WiringCurrent Draw Amplifier Bridging Power Wire SizePower Lock Connectors Mixed Mono Output DCX Front Panel DCX 300.4 Front Plate DiagramDCX 300.4 END Plate Diagram Front HP/LP/FULL Switch Select the desired crossover Page DCX 800.5 Front Plate Diagram Page Source Headunit InputsDCX 300.4, 600.4, 1000.4 Block Diagram DCX 800.5 Block Diagram Qbass Advanced Instrumentation InputTC-X Crossover Qbass PlusDCX 300.4/600.4/1000.4 Crossover Detent Chart Input Combine Adjusting Input GainHigh Mass Internal Heatsink Forced AIR Thermal ManagementAP-IV Protection Circuit Opposite Channel Same Channel Limited TWO Year Consumer Warranty