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Harman JBL IRX115S User Manual

Harman JBL IRX115S
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19
DRAFT
DRAFT
Symptom Likely Cause What to do
No sound
Speaker not connected
to active AC power
Verify that speaker is connected and that the circuit is on
Power not switched on Switch on power and verify that power LED is on
Speaker in bypass mode Twist any knob or press the bypass button to wake the speaker.
No sound, speaker is connected
to working AC power but won’t
come on.
Speaker power cable is faulty
or improperly connected.
• Re-seat the power cable at both ends.
• Substitute a known-good power cable
No sound. Speaker comes on.
Signal source
(mixer, instrument, etc.)
is not sending.
• Check VU meters on the source mixer
• Verify that the tape or CD is playing.
Use headphones to verify that the instrument is actually
sending an audio signal
Faulty cables and
connections
• Disconnect and re-seat signal cables.
• Replace suspected cable with a known-good cable
No sound with microphone
connected directly to the
MIC/ LINE input.
Microphone requires
phantom power
IRX115S is not set up for microphone levels. Please use a mixer, or run
out of the pass through of an IRX108BT or IRX112BT.
Signal sounds distorted and
very loud, PEAK light is lit
most of the time.
Excessive input signal, trying
to exceed the capabilities of
the speakers
• Reduce the output level of the source.
• Turn down the level controls on the speaker.
• Use additional VE speakers.
Signal sounds distorted even at
moderate volumes, LIMIT light
is not lit.
Mixer or other source
is overdriven
Review the Owner’s Manual for your mixer and adjust controls as needed.
• Input sensitivity (gain)
• Channel faders
Master faders Once this is done, review the instructions in the Quick
Start section of this guide.
Lots of hiss in the sound,
the mixer controls are at
very low settings.
Improper gain structure
• Make sure that the MIC/LINE switch is in the LINE (disengaged) position.
• Mic/Line switch operation will be a little different.
Reduce the level settings at speaker. Review the Owner’s Manual for
your mixer and adjust controls as needed.
• Input sensitivity (gain)
• Channel faders
• Master faders
Noise or hiss heard at output. Noisy source device
Disconnect the devices that are connected to your speaker one at a time.
If the noise goes away, the problem is with the source or the
connecting cable.
Hum or Buzz that increases or
decreases when the mixer level
controls are moved.
Improper A/C ground or
faulty equipment connected
to mixer input
Disconnect or mute channels one at a time to isolate the problem. Refer to
the owner’s manual of the faulty equipment for troubleshooting help.
Faulty cable between source
equipment and mixer
Substitute a known-good cable for the suspected faulty cable.
Hum or Buzz
Improper A/C grounding,
ground loops
• ‘Lift’ the audio ground by using an XLR/F to XLR/M adapter on one end.
• Re-route audio cables away from AC power and lighting cables.
Excessively long
unbalanced cable run
Use the balanced outputs (if available) of your mixer or source
equipment to drive your IRX115s.
Use a “DI” (direct injection) box to convert your unbalanced equipment
output to a balanced output.
Improper system gain
structure
Reduce the INPUT level controls and increase the output level of your
source devices.
TROUBLE SHOOTING

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Questions and Answers:

Harman JBL IRX115S Specifications

General IconGeneral
BrandHarman
ModelJBL IRX115S
CategorySpeakers
LanguageEnglish

Summary

Safety Instructions

General Safety Precautions

Protects against environmental hazards like moisture and sunlight, and ensures stability due to acoustical output.

Hearing Damage Warning

Warns about potential permanent hearing damage from prolonged exposure to sound pressure levels exceeding 85 dB.

Care and Cleaning

Provides instructions for cleaning the unit using a dry cloth, emphasizing avoidance of moisture in openings.

WEEE and RoHS Compliance

Details WEEE directives for electronic waste disposal and RoHS for restricting hazardous substances.

REACH Compliance

Explains REACH regulations and identifies lead as a substance present in the product above 0.1% concentration.

Safety Instructions

Numbered Safety Guidelines

A list of 20 detailed instructions covering safe operation, installation, and usage of the apparatus.

Electrical and Fire Hazard Warnings

Highlights risks of electrical shock, fire, and the prohibition of naked flame sources near the product.

Safety Instructions

Operating Voltage and Temperature Range

Specifies the correct operating voltages and the acceptable temperature range for the product.

Electrical Shock and Battery Safety

Warns against opening the unit to avoid electric shock and advises on safe battery handling and replacement.

FCC and EMC Compliance

Details the device's compliance with FCC rules and the conditions for operation, including interference.

Safety Instructions

Wireless Transmitter Compliance

Information on compliance with Canadian (IC) and FCC regulations for wireless transmitter functionality.

EU Compliance & Hearing Loss

Covers EU directives compliance and provides advice on preventing hearing damage by limiting volume exposure.

Quick Setup Guide

Packaging Contents

Lists the items included in the IRX115s system package.

Unboxing Instructions

Step-by-step guide on how to safely unbox the speaker unit.

Configuration Options

Illustrates floor standing and subwoofer mounting configurations for the speaker.

Back Panel

Control Panel Overview

Identifies and labels all controls, buttons, indicators, and connectors on the speaker's back panel.

Powering On and Input Connection

Guides users on how to safely power on the unit and connect audio input sources.

Back Panel

Power Button Function

Explains the operation of the power button to engage and disengage the unit's power.

Crossover Frequency and Polarity

Details how to select crossover frequencies (80, 100, 120 Hz) and toggle polarity.

Master Volume Control

Describes how to adjust the speaker's master volume using the rotary knob.

Input and Output Connectors

Explains the features and usage of XLR-1/4" combo inputs and XLR male loop thru outputs.

Power Receptacle

Identifies the connection point for the supplied power cord to the unit.

Overview - IRX115s

Product Description and Pairing

Introduces the IRX115s subwoofer, its role with other JBL speakers, and core benefits.

Key Specifications

Lists primary technical specifications such as wattage, weight, SPL, and woofer size.

IRX115s - Block Diagram

Control Board Diagram

Illustrates the functional blocks of the control board, including MCU, DSP, and associated circuits.

SMPS + AMP Board Diagram

Shows the power supply and amplifier circuitry, detailing components like transformers and filters.

IRX115s Specifications

Technical Specifications List

Provides detailed specifications including frequency response, wattage, I/O, and cabinet material.

Dimensional Drawings

Presents top, front, left, and rear views with precise measurements of the speaker unit.

Applications / Features

Target Applications

Outlines the ideal use cases for the speaker, targeting musicians and hospitality installations.

Product Features

Lists key features such as woofer quality, selectable crossovers, high SPL, and ergonomic design.

Loudspeaker Placement and Suspension

Speaker Placement Guidelines

Offers advice on optimal speaker positioning to enhance sound quality, coverage, and feedback reduction.

Mounting and Positioning

Details mounting options like floor standing and subwoofer mounting, plus stage monitoring angles.

Cables & Connectors

Cable Type Descriptions

Explains common audio cable types and their applications for connecting professional audio equipment.

Connector Wiring Diagrams

Provides pinout diagrams for various audio cables, illustrating signal connections.

Application Examples

Small PA with XLR/Bluetooth

Illustrates a basic PA setup using XLR and Bluetooth inputs with a thru function.

Application Examples

Small PA as Monitors (Shared Thru)

Shows a setup using two systems as monitors with shared thru function to a subwoofer.

Application Examples

Small PA as Monitors (Individual Thru)

Demonstrates using monitors with individual thru functions routed to separate subwoofers.

Trouble Shooting

Troubleshooting Guide

A comprehensive table listing common symptoms, their likely causes, and recommended troubleshooting steps.

Warranty Information

Warranty Coverage Details

Outlines the scope of the JBL limited warranty, including covered defects and exclusions.

Obtaining Warranty Service

Explains the procedure for obtaining warranty repairs, including contact information and authorization.

Warranty Limitations & Rights

Discusses limitations on implied warranties and clarifies consumer rights.

Contact Information

Mailing and Shipping Addresses

Provides the official mailing and shipping addresses for JBL Professional.

Customer Service and Online Resources

Lists customer service hours, contact number, service website, and main product website.

International Distributor Information

Guides users on locating JBL Professional international distributors via the U.S.A. website.

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