Everything works fine except the top of the time display numbers are gone

Check the speaker/s first. If found OK, check and replace damaged component/s at its audio output stage circuit, or, replace the audio output card. If you wish to get some details, check this link. http://electronicshelponline.blogspot.com/ Selecting the view option, either to Mosaic / Timeslide / Flipcard, can be selected by the drop-down list, at the top left of the display window, will make surf easy. You can also do a search, by type in the brand name / model number / IC used, in the search box at the top right of the display window.

there is a regulator for the display brightness, you may have it turn'd down or it has stopped working;. it controls the brightness at which the dash lights are. usually has a speedo sign on it. goes up and down. it works with the main light and is conecter to them on the same lighting board if it has gone then a new light swtch control switch will be needed.

the tech sheet says " Function key shorted or stuck button" ,I suggest you to try to play around with the buttons and test the bake element for continuity

You will have to have the cluster repaired. If you are handy, you can take the cluster out yourself. There a number of vendors on Ebay who repair clusters.

Successful reception of the time-synchronization radio signal is indicated by a radio waves icon to the right of seconds in the upper section of the display. After synchronization occurs, you can select your continental U.S. time zone (EST, CST, MST, or PST) by means of a switch on the back of the clock.

I have 2 xelim camaras. One of which has a piece of some type of cover partially obstructing the view. This camara still displays the time and menus and older pictures. If I take pix now the picture is obscured. The other camara has no picture on the display but when I take a picture it turns out just fine. That camara will need disassembled and a connector hooked back up

Most screens on digital camaras are for aiming the camara and output (displaying the picture) therefore any problems with the screen do not translate to a picture.

model cdr 2005 radio/cd player works fine except there is no display above where the radio station/cd track number is supposed to be displayed. I have time and temperature as normal

Most remote controls have a "display" button. Pressing that is what gets that channel number on the screen. Try pressing it again and the display should turn off. On some brands the display may cycle through various combinations (channel number only, channell and time, etc.) before it goes away, so it may take more than one press of the button.

This is a problem with the control panel assembly, and we repair these for customers nationwide with our guaranteed $39.95 service.

Feel free to contact me directly.

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William E. Miller
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http://www.microwavedisplay.com

Check the network time settings. If the phone time is "Set by network" maybe the network time servers are messed up. Set the time on the phone manually and see if the problem is fixed. If the phone is already set manually see if setting it to Set by network will force it to keep correct time, but the internal clock should be more stable than that. You may need to get a replacement if these tricks don't work.