What to do if Audio international PA-9075-x01-x Amplifier has a power issue?
If you're experiencing a power issue with your Audio international Amplifier, first, verify that +28 VDC power is correctly applied to the appropriate pins on the unit. If that doesn't resolve the problem, try removing power from the unit for at least one minute before reapplying it.
General| Brand | Audio international |
|---|---|
| Model | PA-9075-x01-x |
| Category | Amplifier |
| Language | English |
Provides information for the proper installation of the Audio International Serial Digital Cabin Audio Amplifier.
Details the amplifier's function as a four-output Class D amplifier accepting digital audio, PA microphone, and briefer audio.
Describes Audio International's Cabin Control Modules and Source Equipment for cabin management systems.
Explains functional control via RS-485 and LED monitoring, detailing speaker ON/OFF and audio pop prevention.
Defines the priority hierarchy for audio states: Passenger Address, Cabin Briefer, Call in, Chime in, Low Tone, and Cabin Entertainment.
Covers ID inputs, digital/analog audio inputs, and detailed discrete inputs for PA, Briefer, Chime, Call In.
Presents a block diagram illustrating the typical application and connectivity of the PA-9075-x01-x with aircraft systems.
Lists considerations before installation: space, power, environment, cable runs, standards, chassis, spacing, and mounting.
Guides on opening packaging, verifying components, inspecting for damage, and retaining packing materials.
Provides critical warnings regarding power/ground checks, connections, moisture, and ESD precautions.
Specifies requirements for external cables, routing, power wires, and serial digital audio wiring.
Details electrical specifications: power, voltage range, audio inputs, PA audio output, sidetone, and amplifier output power.
Lists mating connector information for the unit, specifying connector types and manufacturers for different model configurations.
Provides detailed pinout assignments for connectors J1 and J2, describing the function of each pin.
States no periodic maintenance required; unit must be serviced by a qualified facility if it fails to perform.
Outlines troubleshooting: verify power, cycle power, recheck connections, harness runs, and pinout accuracy.
Lists the physical specifications of the unit, including weight and dimensions in both imperial and metric units.
To Next Page