Gemini X3, X4, X2, X1, Power Amplifier Symptom Cause Solution Unit does not Produce SOUND. Power

Page 5

 

SYMPTOM

 

CAUSE

SOLUTION

 

 

 

UNIT DOES NOT PRODUCE SOUND. POWER

• POWER SWITCH NOT IN ON POSITION.

• MOVE POWER SWITCH TO ON POSITION.

LED DOES NOT LIGHT.

 

• POWERCABLENOTCONNECTEDTOAMPLIFIER

• CONNECT POWER CABLE TO AC SUPPLY.

 

 

 

OR TO OUTLET.

• CHECK CONDITION OF OUTLET.

 

 

 

• AC OUTLET NOT ACTIVE.

• REPLACE AMPLIFIER MAIN POWER FUSE ON REAR

 

 

 

• MAIN AMPLIFIER FUSE DEFECTIVE.

PANEL WITH CORRECT TYPE AND RATING.

 

 

 

 

 

 

 

POWER LED LIGHTS, BUT NO SOUND IS

• NO INPUT SOURCE SIGNAL.

• CHECK FOR PROPER FUNCTION OF INPUT

PRODUCED BY AMPLIFIER.

 

• INPUT SOURCE NOT CONNECTED.

SOURCE DEVICE.

 

• CHECK INPUT CABLES AND CONNECTIONS.

 

 

 

• INPUT CONNECTING CABLE DEFECTIVE.

 

 

 

REPLACE QUESTIONABLE CABLES WITH KNOWN

 

 

 

 

 

 

 

• SPEAKER(S) NOT CONNECTED.

GOOD CABLES.

 

 

 

• SPEAKER CABLE DEFECTIVE.

• CHECK SPEAKER CABLES AND CONNECTIONS.

 

 

 

REPLACE QUESTIONABLE CABLES WITH KNOWN

 

 

 

• SPEAKER SYSTEM(S) INOPERATIVE.

 

 

 

GOOD CABLES.

 

 

 

• AMPLIFIER’S LEVEL CONTROLS ARE SET TO

• CHECK OPERATING CONDITION AND STATUS OF

 

 

 

ZERO.

SPEAKER SYSTEM(S). BE SURE THE LEVEL

 

 

 

 

CONTROLS ARE PROPERLY SET.

 

 

 

SOUND IS PRESENT BUT VOLUME IS TOO

• AMPLIFIER INPUT LEVEL CONTROLS ARE SET

• ADJUST LEVEL CONTROLS AS PER INSTRUCTIONS.

LOW EVEN THOUGH SOURCE DEVICE IS

TOO LOW.

• USE CORRECT CABLES (AS SHOWN ON BACK OF

SET TO A HIGH LEVEL.

 

• WRONG PIN CONNECTIONS IN CABLES.

UNIT).

 

 

 

VERY LITTLE OR NO OUTPUT FROM

• FREQUENCY SWITCH IS IN THE FULL RANGE

• MOVE THE FREQUENCY SWITCH TO THE 120 HZ

SUBWOOFER OR

 

MODEPOSITION.

OR THE 180 HZ POSITION.

NO BASS FROM FULL RANGE SPEAKERS

 

 

WHEN

OPERATING

WITHOUT

 

 

SUBWOOFERS.

LOUD 50/60 HZ OR 100/120 HZ HUM IS HEARD AT ALL TIMES THROUGH THE SPEAKER SYSTEMS.

IMPROPER OR DEFECTIVE GROUND CONNECTION AT INPUTS. IMPROPER OR DEFECTIVE GROUND AT INPUT SOURCE DEVICE(S).

IMPROPER OR DEFECTIVE GROUND CONNECTION ON AC OUTLET.

GROUND LOOP THROUGH AC LINE CONNECTION/RACKMOUNTING.

CHECK FOR PROPER AC LINE GROUND ON POWER AMP AND ALL INPUT DEVICES.

CHECK INPUT CABLES FOR ALL SOURCE DEVICES AND SIGNAL PROCESSING AS WELL AS INPUT CABLES TO POWER AMPLIFIER. CHECK POSITION OF GROUND LIFT SWITCH AS PER INSTRUCTIONS FOR LIFTING THE GROUND.

NEVER LIFT THE AC LINE GROUND ON THE POWER AMPLIFIER. IF YOU ARE NOT TOTALLY FAMILIAR WITH GROUND LIFTING OR UNIFICATION PROCEDURES, DO NOT ATTEMPT THEM WITHOUT FIRST CONSULTING YOUR DEALER OR A QUALIFIED SOUND TECHNICIAN FOR MORE INFORMATION ON GROUNDING. IMPROPERLY DONE, SUCH PROCEDURES CAN POSE A SAFETY AND/OR FIRE HAZARD.

SOUND IS DISTORTED.

• DISTORTION OCCURRING IN SOURCE DEVICE.

• CHECK CLIP INDICATORS ON INPUT SOURCE

 

• INPUT LEVEL IS SET TOO HIGH.

DEVICES AND RESET LEVELS IF NECESSARY TO

 

ELIMINATE DISTORTION.

 

 

 

 

• ADJUST LEVEL CONTROLS AS PER INSTRUCTIONS.

 

 

 

PROTECT LED REMAINS LIT OR GOES ON

• UNIT IS OPERATING AT EXCESSIVELY HIGH

• CHECK THAT AMPLIFIER IS ADEQUATELY

AND OFF INTERMITTENTLY AFTER USING

TEMPERATURE.

VENTILATED ON THE FRONT AND REAR PANELS

WHERE THE AIR VENTS AND FANS ARE LOCATED.

AMPLIFIER FOR A SHORT TIME.

• EXTREMELY LOW SPEAKER IMPEDANCE.

IF OVERHEATED, LET THE AMPLIFIER COOL DOWN

 

• SHORT IN SPEAKER CONNECTORS, SPEAKER

BEFORE APPLYING AN INPUT SIGNAL.

 

CABLE OR SPEAKER SYSTEM.

• VERIFY SPEAKER SYSTEM IMPEDANCES. BE SURE

 

 

THE TOTAL SPEAKER SYSTEM IMPEDANCE IS AT

 

 

LEAST 4 OHM PER CHANNEL FOR CHANNELS A AND

 

 

B, AND AT LEAST 2 OHM FOR THE SUBWOOFER

 

 

CHANNEL. IF YOU ARE NOT SURE OF YOUR TOTAL

 

 

SPEAKER IMPEDANCE LOAD, CONTACT YOUR

 

 

DEALER FOR MORE INFORMATION.

 

 

• CHECK CONDITION OF SPEAKER CABLES.

 

 

• IF USING BARE WIRE CONNECTIONS ON THE

 

 

OUTPUTS OF THE AMPLIFIER, BE SURE THAT NO

 

 

STRANDS FROM ONE CONNECTOR ARE TOUCHING

 

 

ANY OTHER CONNECTOR.

 

 

 

FUSE BLOWS INTERMITTENTLY.

• SPEAKER LOAD IMPEDANCE IS TOO LOW.

• CHECK FOR SHORTS ON THE OUTPUTS.

TYPE OR RATING OF THE FUSE IS NOT CORRECT.

CHECK YOUR SPEAKER IMPEDANCE (INFO FROM DEALER).

CHECK THAT THE FUSE TYPE AND RATING IS CORRECT.

PROTECT LED(S) STAY ON WITH NO • FAILED AMPLIFIER.

SPEAKERS CONNECTED AND WITH THE AMPLIFIER COOLED DOWN.

CONTACT THE GEMINI SERVICE DEPARTMENT OR YOUR AUTHORIZED DEALER TO SPEAK TO A QUALIFIED SERVICE TECHNICIAN. IN THE U.S.A. CALL 1-732-738-9003

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Contents X1/X2/X3/X4 X1 / X2 CONNECTION, Controls and Indicators FeaturesIntroduction OperationUsing the Ground Lift Switch SpecificationsParallel Mono Operation Mono Bridge OperationSymptom Cause Solution Unit does not Produce SOUND. Power Funktionen EinleitungANSCHLÜSSE, Regler UND Anzeigen BetriebsanweisungenMono BRÜCKEN-BETRIEB SIGNALMASSE-TRENNSCHALTER BenutzungParallel MONO-BETRIEB Problem Ursache Características IntroducciónPrecauciones Instrucciones DE FuncionamientoFuncionamiento Mono EN Paralelo USO DEL Signal Ground Lift SwitchFuncionamiento Mono EN Puente Interruptor DE Separación DE Tierra DE SeñalProblema Causa Caractéristiques CONNEXION, Commandes ET IndicateursPrécautions Instructions D’EXPLOITATIONEmploi DU Ground Lift Switch Suppresseur DE LA Terre Specifications TechniquesExploitation Mono EN Parallèle Exploitation Mono PontéSymptôme Cause Solution Page Do not attempt to return this equipment to your dealer
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Power Amplifier, X1, X2, X4, X3 specifications

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