I intend to use Alpine TDA-5643 connected to another head unit (currently connected to Alpine head unit DCA-7842R). The 2 units are inter linked via square connector. Need pin confirguration of this square connector which links both units together.
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If your Alpine INE-S920HD head unit keeps shutting off after a few minutes of starting the truck and your backup camera appears dark, it could indicate a power or wiring issue. Here are a few steps you can take to troubleshoot the problem:
Check the power connections: Ensure that the head unit's power and ground connections are secure and properly connected. Make sure there are no loose or damaged wires. Check the fuse for the head unit to ensure it is not blown.
Verify the power source: Confirm that the power source you are using for the head unit is stable and providing sufficient voltage. Consider checking the vehicle's battery and alternator to ensure they are in good working condition.
Inspect the wiring for the backup camera: Check the wiring connections for the backup camera, including the power and video cables. Ensure that they are securely connected and not damaged. A loose or faulty connection could cause the camera to appear dark.
Adjust camera settings: The dark image from the backup camera could also be due to incorrect camera settings. Check the settings menu on the head unit to adjust the brightness, contrast, or other image-related settings for the backup camera.
Reset the head unit: Perform a factory reset on the Alpine INE-S920HD head unit. Refer to the user manual or contact Alpine customer support for specific instructions on how to reset the head unit.
The blue wire is intended to be connected to power antennas and would be active in tuner (AM/FM) mode while the blue/white is remote trigger for external amplifiers, active as long as the headunit is turned on.
You need to run the RCA cables from the head unit to the sub for the audio signal, and possibly a turn on wire (the blue one on the back of the head unit), unless the sub has an automatic power feature.
The sub also needs power and ground wires attached, but those do not connect to the head unit. Power should be run directly from the battery with an inline fuse, and ground should go to the nearest good ground point (Trunk latch, seat bolt, etc).
You don´t connect correctly the wire for the constant power suply that´s why the memories don´t stand still,always be a yellow one you need to connect to a direct power suply,good luck
The remote that came with this unit does not last long and breaks down very fast. Alpine has a new equivalent replacement that you can order from a dealer that will work with this unit. For the volume control, yes they do wear out with time. Cleaning it with very high quality contact cleaner like DeOxit helps for a while but the problem comes back because the mechanical contacts simply wear out. A new volume control can still be ordered if you look hard. I think pac parts can get them. You would need a technician to open up the detachable face and unsoldered the old control and solder in the new one if you can't do it yourself. After that it works like new.
Hi trinder,
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.
Good luck,
Ramesh
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