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tmho Posted - May 21 2006 : 3:56:28 PM
The display of my car audio (radio and CD & MP3 Player) recently became very dim that I can hardly see. (I mean the "letters/characters" of the radio channel and song). Can somebody please give me some advice on how to fix the problem? I bought it about 2 years ago. The brand name is Dynex and is not a famous one.

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Aaron Cake Posted - Jun 26 2006 : 09:03:42 AM
Is the display a VFD (vacuum fluorescent display)? If so, then it relies on a HV power supply to light it up. Have you checked the condition of the solder joints around the display itself? How old is the unit? These displays do wear out eventually.

tmho Posted - Jun 25 2006 : 04:02:40 AM
quote:

Might sound stupid but have u checked ur cars dimmer switch most of the time the person who install it connects all the wires not that thats wrong if that was the problem remove the radio and cut or disconnect the orange wire

What More Do U Want From Me Im 17


Thank you for your advice. I install it myself. At the beginning, it was normal. The problem just happened around a few months ago.

tmho Posted - Jun 25 2006 : 03:58:40 AM
quote:

some displays have incadescent lamp behind
them to brighten the display.These bulbs go busted also.You will have to open the front panel to check them.




Thanks for your advice. I have open the front panel. The lamps are okay.

tmho Posted - Jun 25 2006 : 03:56:39 AM
quote:

Probably a bad solder joint at the display. Resolder all the pins.




Thank you for your suggestion. I also guess so. I tried to resolder all the pins except those from the CPU/IC. The problem still exists. The pins from the CPU/IC are too tiny that my soldering iron cannot do that. I believe it need a hot air gun which I don't have it. Do you have more suggestions for me?

rapsucks_07 Posted - Jun 23 2006 : 12:19:28 AM
Might sound stupid but have u checked ur cars dimmer switch most of the time the person who install it connects all the wires not that thats wrong if that was the problem remove the radio and cut or disconnect the orange wire

What More Do U Want From Me Im 17
abdo_87 Posted - Jun 17 2006 : 05:16:41 AM
helloo pleas send me solution for radio ripple problems

asd
tmho Posted - May 31 2006 : 03:59:11 AM
Thank you very much. I will try your suggestions and advise the result.

sergiosparks Posted - May 30 2006 : 04:52:08 AM
some displays have incadescent lamp behind
them to brighten the display.These bulbs go busted also.You will have to open the front panel to check them.

Aaron Cake Posted - May 23 2006 : 11:11:48 AM
Probably a bad solder joint at the display. Resolder all the pins.


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