Crown Audio 133472-1A manual No Sound

Page 25

Chapter 2: Troubleshooting

25

Figure 2.3

No Sound

2.2 No Sound

No Sound

Is Power or

 

 

Check AC Power to

Enable

No

 

amp. See "No Power"

indicator on?

 

 

flowchart.

 

 

 

 

Yes

 

 

 

 

 

 

Are signal

 

 

Check signal source

Does amp have

 

Check settings on

indicators

No

 

IQ PIP model

Yes

 

for adequate output.

IQ PIP module.

blinking?

 

 

installed?

 

 

 

 

 

 

Yes

 

 

 

No

 

 

 

 

 

 

 

 

Are the level

No

Turn up level controls

Are speakers'

 

 

controls

 

 

 

until you hear output.

protection

 

 

turned up?

 

 

 

Repair or reset

 

 

 

systems tripped,

Yes

 

 

 

 

speaker.

 

 

 

 

or speakers

 

 

 

 

 

 

 

 

 

 

 

damaged?

 

 

Yes

 

 

 

 

 

 

 

 

 

 

No

 

 

Are speakers

No

Connect Speakers

 

 

 

connected?

 

to Amp.

 

 

 

 

 

 

 

 

 

 

 

 

Does amp have

 

 

 

 

 

 

Fault, TLC or

 

 

 

 

 

 

ODEP

 

 

Yes

 

 

 

indicators?

 

 

 

 

 

 

 

 

Is there a

 

 

Fault or TLC

ODEP

 

Neither Fault,

 

 

 

TLC or ODEP

short-circuit on

 

Yes

Remove the

 

 

 

 

 

 

the speaker

 

short-circuit.

 

 

 

 

 

 

 

 

line?

 

 

 

 

 

 

 

 

 

Is indicator

Is indicator

Yes

 

No

 

 

off?

 

 

 

 

 

 

 

 

on?

 

 

 

 

 

 

Yes

No

 

 

 

 

 

 

 

Amp overheated or in

 

 

 

 

 

other standby condition.

 

 

 

No

 

See "Amp Overheating"

 

 

 

 

flowchart and/or refer to

 

 

 

 

 

 

 

 

 

 

Operation Manual.

 

 

 

Refer amp to

 

 

 

 

 

 

service center.

 

 

 

Amplifier Application Guide

Page 24 Page 26
Image 25
Page 24 Page 26
Contents Amplifier Application Guide Crown Technical Support Group Important Safety InstructionsTable of Contents Introduction Rack Cooling ChapterThis Chapter Fan-Assisted ModelsConvection-Only Models Input Wiring System WiringInput Connector Wiring Balanced, Grounded SourceUnbalanced, Floating Source Twin-Lead Shielded Cable Unbalanced, Grounded Source Twin-Lead Shielded CableRadio Frequencies RF Solving Input ProblemsHum and Buzz Output Connector Wiring Output WiringBalanced vs. Unbalanced Way Binding PostBarrier Block Output Wiring TipsNeutrik Speakon Connector Assembly Insert into Connector Housing Amplifier Load Impedance Connecting the Speakon plug to the mating connectorParallel Speaker Impedances Parallel Impedances Loudspeaker Protection Determining Appropriate Speaker Wire GaugeHigh-Frequency Oscillations Solving Output ProblemsLoudspeaker Fuse Nomograph Sub-Sonic Currents Distributed Speaker SystemsWhat is Constant Voltage? Using Low-ImpedanceMulti-way Systems With Expansion Modules Active vs. Passive Crossover NetworksCrown Amplifiers In-Depth Fault Status External Circuit Design Setting Fault MonitoringRJ Jack Wiring and Pin Assignments Optimal System Headrom System GainAmplifier Level System LevelsTroubleshooting No Power No PowerNo Sound No SoundAmp Overheating Bad SoundBCA EMI Equalization EQ FaultFader FrequencyOdep IOCPIP2 PIPTHX Audio Systems Technology, Level AppendixHandbook for Sound Engineers The New Audio Cyclope- dia HOW to Obtain Warranty Service Items Excluded from this Crown WarrantyWhat the Warrantor will do Disclaimer of Consequential & Incidental DamagesFull Warranty Three Year

133472-1A specifications

Crown Audio 133472-1A is a sophisticated and highly regarded power amplifier designed for professional audio applications. Known for its reliability and high performance, the 133472-1A is favored by sound engineers, musicians, and event organizers who seek exceptional audio clarity and robust amplification.

One of the standout features of the Crown Audio 133472-1A is its impressive power output. This amplifier is capable of delivering substantial wattage, ensuring that it can effortlessly drive a variety of loudspeaker systems without distortion, even at high volumes. This makes it particularly suitable for large venues, concerts, and public gatherings where sound coverage is critical.

The 133472-1A utilizes advanced technologies to enhance its performance. For instance, it incorporates a patented output stage design that minimizes distortion, allowing for a cleaner and more accurate sound reproduction. This is especially important in professional audio environments where audio fidelity is paramount. Additionally, the amplifier features sophisticated thermal management systems that prevent overheating, ensuring reliable operation during extended use.

Another key characteristic of the Crown 133472-1A is its versatility. It is engineered to work seamlessly with a range of audio sources, making it an ideal choice for various applications, including live performances, installations, and broadcasting. Its multiple input options, including XLR and TRS connectors, allow for flexible connectivity options, accommodating various audio setups.

Durability is also a significant aspect of the Crown Audio 133472-1A. Constructed with high-quality materials and robust components, this amplifier is built to withstand the rigors of professional use. Its rugged chassis design provides added protection, making it suitable for both touring and fixed installations.

Furthermore, the Crown 133472-1A offers user-friendly features such as intuitive controls and indicators, allowing users to monitor performance easily. This includes LED status indicators that provide real-time feedback on operation, making it simple to troubleshoot any issues.

In summary, the Crown Audio 133472-1A is a powerhouse amplifier that combines high output, advanced technologies, and durable construction. Its versatility makes it a preferred choice for professionals seeking reliable and superior audio performance in live and installed environments. Whether for music events, speeches, or any high-stakes audio requirements, the 133472-1A delivers the quality and performance essential for exceptional sound.
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