Xantech 490-85 installation instructions Cause Solution

Page 7

Symptom #4: TB LED on IR Rec. blinks but 283M or 286M 'Blink' style Emitters do not

 

Cause:

Solution

1.

There may be a short, such as a staple

Recheck your wiring.

driven through the Signal and GND wires of

 

the IR Receiver and/or the emitter.

 

2.

Emitter may be shorted internally

Replace Emitter or use TEST EMITTER

to check circuit.

 

 

3

(XTRALINK Only) TV on same splitter with

Place a DC Blocker (Model 203-00) on

no IR Receiver installed

any TV Leg without IR Receiver

 

 

 

 

Symptom #5: Intermittent IR control (I.e. buttons on remote need to be pressed multiple times)

 

 

Cause:

Solution

 

 

1.

Plasma Interference

Use a 490-90 Plasma 'Friendly' Receiver

 

 

 

 

In this case use either a SUN filter

 

 

 

 

(SUN480, SUN490, SUN780), or any of

 

 

 

Relatively high levels of ambient noise.

our ‘CFL Friendly’ IR Receivers (291-80,

 

 

 

480-80, 780-80). For Plasma

 

 

 

This can be due to any of the following:

 

 

2.

Interference use the 490-90 or 780-90

 

 

Sunlight, florescent Lighting or Plasma

 

 

 

‘Plasma Friendly’ IR Receivers. These

 

 

 

Displays.

 

 

 

can also be used in direct sunlight and in

 

 

 

 

 

 

 

 

the presence of ‘tube style’ florescent

 

 

 

 

lighting.

 

 

 

 

 

 

 

 

 

Putting a 470-ohm resistor in parallel at

 

 

 

 

the connecting block between signal and

 

 

 

 

ground will effectively discharge the

 

 

 

 

capacitance of the wire. This will allow

 

 

 

 

the signal to travel farther on shielded

 

 

 

 

wire. Adding a resistor between the

 

 

 

Long Wire Runs – shielded wire typically of

input and ground of the connecting block

 

 

 

will drop the IR level down somewhat.

 

 

 

100 feet (30 meters) or longer causes a filter

Passive connecting blocks, such as the

 

 

3.

effect due to accumulated capacitance of the

789-44, may not have enough signal

 

 

 

wire. Intermittent, or no IR control, could

output for consistent control of the

 

 

 

actually be because of the longer wire runs.

 

 

 

equipment. You may have to upgrade to

 

 

 

 

an amplified connecting block to bring

 

 

 

 

the IR level back to normal. In these

 

 

 

 

cases, the 791-44 would be an ideal

 

 

 

 

connecting block for single zone

 

 

 

 

systems while the 795-20 would work

 

 

 

 

best for a 2-4 zone system.

 

 

 

 

 

 

 

 

 

 

 

08905105A

 

- 7 -

Page 6 Page 8
Image 7
Page 6 Page 8
Contents Mounting Features and SpecificationsInstallation DescriptionCable Connections IR Carrier AdjustmentPlug Cable Leads Series 791-44 Application WiringIR Troubleshooting Guide Defective emitter Symptom #3 TB LED on IR Receiver and/or Emitters on solid Cause Solution Reposition the Emitter so that it is Step Component to Test Instructions 08905105A

490-85 specifications

The Xantech 490-85 is a sophisticated infrared (IR) distribution amplifier designed specifically for enhancing audio and video installation systems. Its well-engineered features cater to both residential and commercial settings, making it an essential component for integrators requiring high-performance signal distribution.

At the core of the Xantech 490-85 is its ability to expand IR control outputs. The device takes a single IR signal and distributes it to multiple devices, enabling seamless control of various components within a home theatre or multi-room setup. This versatility is ideal for users who need to control several AV devices from a centralized location without having to struggle with multiple remotes.

One of the standout features of the Xantech 490-85 is its ability to support up to eight output ports. This multiple output capability ensures that users can connect an extensive range of devices, from televisions and DVD players to cable boxes and streaming devices, all while maintaining consistent signal quality. The amplifier is built to minimize signal degradation, ensuring that the integrity of the IR commands remains intact, even over long distances.

The technology behind the Xantech 490-85 employs advanced signal boosting capabilities, which facilitate the transfer of IR signals over extended runs of cable. This means that users can expect robust and reliable operation, even in larger spaces where traditional systems might falter. The device also includes built-in short circuit protection, safeguarding the system from potential damage caused by improper connections.

Another characteristic that elevates the Xantech 490-85 is its ease of installation. The user-friendly design allows installers to set up the unit quickly and efficiently without extensive technical knowledge. The compact appearance ensures that the device can be discreetly integrated into existing systems without causing clutter.

In summary, the Xantech 490-85 stands out as a reliable and efficient IR distribution amplifier that enhances control capabilities within audio and video installations. Its multiple output options, advanced technologies, and straightforward installation make it a favored choice for professional integrators and enthusiasts alike. With this device, managing multiple AV components becomes a hassle-free experience, paving the way for a streamlined and enjoyable multimedia environment.
Top Page Image Contents