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Topic:
mx-450 dead IR?
This thread has 5 replies. Displaying all posts.
Post 1 made on Sunday June 23, 2024 at 10:20
crabs
Long Time Member
Joined:
Posts:
March 2004
29
Hi. A friend has an MX-450 that was set up by an installer several years ago. I have experience programming the MX-780 and MX-890 but no experience with the 450. All their equipment is in the basement, controlled via RF, except the TV.

The remote has suddenly stopped controlling the TV. I checked the configuration on the remote and it has the TV set to IR only (all the other components have both IR and RF enabled). When I point the remote at my phone camera and push buttons the IR emitter does not light up. So my best guess is the IR emitter has died. Does this happen with the 450? Is it likely a hardware issue or might it be possible to revive it?

Assuming it is dead, I guess the easiest fix would be to get another 450 and load the same config on it. It looks like the 490 is the new 450. Can the 450 config be loaded on a 490?

Any other suggestions, besides jumping up to a 890 or something better?
Thanks!
Post 2 made on Sunday June 23, 2024 at 18:15
edmund
Elite Member
Joined:
Posts:
April 2002
13,845
Usually with URC remotes when the IR fails, RF doesn't work either. And it usually indicates it on the on-screen menu, by pressing MAIN & ENT for bit it will have IR fail there.
OP | Post 3 made on Thursday June 27, 2024 at 14:14
crabs
Long Time Member
Joined:
Posts:
March 2004
29
Thanks. I'll check that as soon as I get the chance.
Post 4 made on Thursday July 4, 2024 at 15:05
shokwaverider
Regular Member
Joined:
Posts:
January 2021
98
It needs a new IR Transmitter LED. I have changed a few for customers and remotes I have purchased and refurbished. It does need to be soldered in, so some skills are needed.

The Light ones are the ones are the Transmitters if IIRC.

[Link: amazon.com]

Last edited by shokwaverider on July 11, 2024 11:10.
OP | Post 5 made on Friday July 5, 2024 at 10:37
crabs
Long Time Member
Joined:
Posts:
March 2004
29
Ah, thanks. My soldering skills are not the best but I can usually get by. I'll look into that.
Post 6 made on Thursday July 11, 2024 at 10:09
hdtvluvr
Long Time Member
Joined:
Posts:
September 2002
408
Let us know if you are successful in replacing the LED. It may benefit others to know it can work. I thought about doing it on a remote a few years ago but at the time couldn't find the correct LED. Thanks Shokwaverider for the link.

Last edited by hdtvluvr on July 12, 2024 13:49.


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