Question about Timex (T439S) Clock Radio

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Timex t439s clock display light out

The backlight on the clock's lcd display is completely out. Instructions say to tap the snooze bar repeatedly to adjust the brightness, but it's just gone. Are these liable to burn out (it's two years old) and if so, is it possible to service?

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  • Anonymous Jan 03, 2009

    I have the same problem. Everything is still working but you can barely see it. Is there a way to replace the bulb?

  • jonque Jan 28, 2009

    Backlight on timex t301b has disappeared. can't figure out how to get it back!

  • Anonymous Feb 04, 2009

    I have the same problem. Backlight was a bit intermittent then just went completely out. Everything else seems to work. This unit is about 9 months old. I am disappointed that it malfunctioned so quickly. The last alarm clock I had lasted 15+ years.

  • jcoffel Feb 19, 2009

    Same problem here! Bad design? Common user error?

  • Anonymous Feb 21, 2009

    same thing happened to me!! so strange

  • Anonymous Apr 05, 2009

    Light burned out after 2 years. Clock now useless.



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I'm having an issue with the LCD light. Can't see the clock at night. I tried the dimmer it won't work. Can this issue be fixed?

Posted on Nov 06, 2014

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The display on my clock is red as well. I found it that way when I came home from work today. It had lost all of its settings as well. I put everything back to the way it was supposed to be but I can't get the color to change. I guess something just quit.

Posted on Apr 22, 2008


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2 Answers

Display light not working. can't see time at night

From the manual:

This alarm clock radio features an adjustable display backlight, with dim, medium, and bright settings. To select a backlight setting, press the Snooze/Dimmer Bar until the desired brightness is reached.

Dec 01, 2013 | Timex T309TT Clock Radio

1 Answer

Manual for clock radio timex T435B

For Timex T435B (LCD Weekday/Weekend Dual-Alarm AM-FM-MP3 with weekday calendar, try :

Jan 02, 2012 | Timex (T439S) Clock Radio

1 Answer

The light is so low that i cannot read the numbers when it's dark and I cannot figure out how to adjust the lighting so its brighter

Your device has adjustable display: There are 3 levels of lighted display, pressing the snooze/dimmer button allows you to change between the three.
Good luck!

Jun 24, 2011 | Timex T309TT Clock Radio

1 Answer

How do you increase the volume of the backlit light?

The backlight can be adjusted as follows:

This alarm clock radio features an adjustable display backlight, with dim, medium, and bright settings. To

select a backlight setting, press the 3 Snooze/Dimmer Bar until the desired brightness is reached.
Please note that the backlight will not work while the clock is operating on battery power.

Apr 07, 2011 | Timex T311T Clock Radio

1 Answer

I have a uniden bc340crs scanner that is 1 yr old. my backlit window does not display any of the info for my scanner. i want to reprogram and the 2-9-hold thing does not work even after trying ronnie...

This is how you control the back light display on your scanner.
SNOOZE/Backlight - Backlight: Tap the snooze button to turn the LCD backlight on for 15 seconds. Press and hold to permanently turn on the backlight. Press and hold again to turn off the backlight.
Here is a link to the users manual as well.

Mar 14, 2011 | Uniden BC340CRS Base Scanner

1 Answer

Need manual for timex T439S

You can download a 10-page Adobe PDF manual for the Timex T439S Clock Radio2_bing.gif here:
Just choose the T439 model from the drop-down box and the manual will be available.

Feb 21, 2010 | Timex (T439S) Clock Radio

1 Answer

Clock radio display doesn't light up.

I just got a similar model at Big Lots a few months ago. A T439S. There some funky stuff they do with those displays it could be that the lamp is wearing out. 7 years is good life for them.

Sep 03, 2008 | Timex T110TT Clock Radio

3 Answers

Setting time

I could not get this manual to load from the link. Other manuals would load, but not this one. I also found from Timex's website that Model T435 is almost identical to T439 except for the docking bay for IPod. Setting instructions and button configuration seems to be the same. Go here:

Aug 03, 2007 | Timex (T439S) Clock Radio

5 Answers

Change color

There should be a button on the top of the radio. If it's a steady red, then you've got the same problem I have.

Apr 20, 2007 | Timex (T439S) Clock Radio

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