Question about Car Audio Receivers
I got my mini component stereo back from my brother in law and after some time in his garage the digital displays no longer light up. The leds on the board do but not the LCDs. The unit functions ok but you just can't tell what track is playing on the CD or what radio station it is tuned to. I figure it must be something simple but I do not see any blown fuses or unplugged harnesses. It is pretty dusty inside. I will try to clean it and see if that helps. Any ideas other than that? Thanks!
SOURCE: Error ao pioneer head unit
If the discs PHYSICALLY get stuck, then the mech is damaged. A local shop MAY be able to fix it, but it might be a better investment to just replace the radio.
Posted on Aug 04, 2008
SOURCE: alpine cda7969r display problem
I fixed my Alpine TDA-7563 with the same problem. My display was completely blank everything else worked. After checking that the LCD display is getting power and everything else in the face that I can think of, I thought maybe the rubber LCD contacts were squeezed down or something and not making proper contact, so I just pushed it back onto the board and pressed.
This was at night, so I had an external lamp and noticed to my delight that the display was in fact working, nothing is wrong with it.
I am embarrased to say that as a technician I forgot that an LCD display needs a backlight, duh.
So a simple connectivity test on the 2 lamps shows that they are both blown.
I have to source them at my local electronics store, I measured the power supply to them as 12Volts, so it is just a matter of getting ones with the right dimensions and bright enough.
Hope you have the same problem, then it will be an easy fix for you.
Posted on Dec 14, 2008
SOURCE: Error Codes
I've had a friend to stay who had this problem. I downloaded the user manual from the internet and the error code is not mentioned. I followed the procedure to reset the radio and this solved the problem.
Take the cover off the stereo and locate the small hole (towards the centre) which houses the reset switch. Insert something like a paper clip into the hole and hold for a few seconds. Then replace the cover and all should work. You'll loose all the radio presets.
Posted on Feb 17, 2009
you may want to check and see if you are getting power to both the red and yellow wires. it almost sounds like you may not be getting power to the red wire.
Posted on Aug 19, 2009
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Jul 11, 2014 | Pioneer DEH-P7800MP
Turn the stereo off by pressing the "source" button on the bottom left corner of the stereo's face. Press the "function" button, the lower of the two buttons to the right of the stereo display, until the clock appears on the display. Press the arrow keys at the far right of the stereo's face to adjust the time. Use the left or right arrows to toggle between hours and minutes. Use the up and down arrow to increase or decrease the hour or minute numbers. Press the "function" button once you have set the display clock to the correct time.
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