Alesis 7-51-0121-A manual Troubleshooting Index

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5Troubleshooting

Troubleshooting Index

If you experience problems while operating your Smashup, please use the following table to locate possible causes and solutions before contacting Alesis Product Support for assistance.

Symptoms

No audio outputs.

ModLinked units are not working properly

Distorted sound

Buzz or hum from outputs

Cause

No input audio (SIGNAL LED doesn’t flash).

Bad cables.

Destination is turned down.

Input Trim knob is turned down

Input cables are connected to a linked unit

Power is not connected

[THRESHOLD] or [OUTPUT] set low

Power dropout to one of the units in the chain

Input level too high (SIGNAL LED on front panel flashes red)

[OUTPUT] is set high

Audio cables are crossing a power cable or a power adapter.

Bad cables

Problem with the source

Solution Test with a known good input.

Replace the cables.

Check the connections and the level of the mixer or amp that the Smashup is connected to.

Adjust the knob to the proper level.

Connect the input cables to the Master of the link chain

Go take a walk

Set [THRESHOLD] wide open, and [OUTPUT] to 12 o’clock to start

Plug in a power supply to every unit in a chain.

Turn down the source, or the Smashup’s TRIM control

Turn it down, or choose a different [TYPE] setting (Transparent or De-Ess)

Make sure that the Smashup and its audio cables are kept away from power cables and wall warts.

Don’t wrap cable in tight bundles.

Replace the cables Try bypassing the Smashup by connecting the input cables to the output cables and see if the problem remains.

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Contents Reference Manual Page Table of Contents Table Of Contents Welcome IntroductionImportant features of your Smashup IntroductionAbout the Smashup Smashup Key Features How to Use This Manual Please follow these precautions when using this product Safety Instructions/NoticesImportant Safety Instructions English Safety symbols used in this productImportant Safety Instructions FCC Compliance Statement CE Declaration Of ConformityInstructions de Sécurité Importantes French Symboles utilisés dans ce produitImportant Safety Instructions Lesen Sie bitte die folgende Sicherheitshinweise German Sicherheit Symbole verwendet in diesem ProduktImportant Safety Instructions This page intentionally left blank Hook it up to a synthesizer If youre new to signal ProcessingQuick Start Guide If you can’t wait to get startedQuick Start Guide Quick overview of the controlsRear Panel Unpacking and Inspection Installing in a RackPower ConnectionsTurn up the trim Connecting audioConnections In-line connectionConnecting to the Channel Inserts of a mixing console Connecting to the inserts on an instrument amplifier Connecting to the Main Outputs of a mixing consoleConnecting to equipment with XLR inputs and outputs About audio cablesDont use line transformers What about the input and output jacks on the slave units? Using the ModLinkWhat is a compressor? Using the SmashupUsing the Smashup What the controls doAttack/Release times vary by Type How the Smashup goes beyond just compression About stereo compression Operational adviceSetting Levels Gain structureGraph of compression Description of ControlsThreshold Graph of input levelPumping Breathing AttackLook Ahead ReleaseFAT mode and Sizzle OutputSizzle Transparent Type Select SwitchClassic OptoDe-Ess PumpFat Bypass Using the Foot SwitchDe-Ess Sample SettingsThreshold and Output settings may need changing ClassicPump Sample SettingsFat OptoBlank TransparentBlank Settings Templates Troubleshooting Index TroubleshootingTroubleshooting Avoiding ground loop noise Keep Audio Wiring AS FAR Away from AC Wiring AS PossibleLine conditioners and spike protectors Care and Maintenance CleaningRefer all servicing to Alesis Obtaining repair service Customers in the USA and CanadaCustomers outside the USA and Canada Mechanical SpecificationsAudio Input Audio OutputSpecifications Index Foot SWITCH, 16Alesis Limited Warranty Warranty / Contact AlesisAlesis Contact Information Warranty/Contact Information