+- VXOC Astra-J/GTC (https://vxoc.org.uk/forum)
+-- Forum: Astra-J/GTC Section (https://vxoc.org.uk/forum/forumdisplay.php?fid=5)
+--- Forum: Astra-J/GTC Technical (https://vxoc.org.uk/forum/forumdisplay.php?fid=20)
+---- Forum: Electrical (https://vxoc.org.uk/forum/forumdisplay.php?fid=30)
+---- Thread: CD400 power problem (/showthread.php?tid=4825)
CD400 power problem - bigles - 24:th-Nov-2020
Hi all - I have a 2009 Astra 1.6 SE. In the mornings, when the car has been unused overnight, when I switch the radio on it comes on and then goes through between 4 and 6 restarts. The screen goes blank and the sound ceases each time, it comes on for about 5-10 seconds, goes off, and on again, etc. Once it has gone through this cycle it stays on and is OK for the rest of the day.
I've looked on the web but can't find anything specific to this problem. Any guidance before I start dismantling the centre console - I'm thinking a wiring harness problem (loose connection), maybe the car battery voltage is low first thing in the day (although I did check the voltage and was over 12.4 volts), a failure of the head unit such a main board breaking down?
Has anyone had similar problems or is there a known problem with these units.
My unit has bluetooth for the phone.
RE: CD400 power problem - Rusty2009 - 24:th-Nov-2020
Seen it a few times & it's always been the unit at fault, replacing the unit solves the issue.
RE: CD400 power problem - bigles - 24:th-Nov-2020
I did suspect that. I gather I have to find a replacement with the exact same model number, then get it modified to my VIN number. I just want to be sure the replacement has the ability to use the phone with bluetooth that my current unit has.
RE: CD400 power problem - Rusty2009 - 26:th-Nov-2020
there is a few part numbers the one fitted to your car may have been superceeded so there maybe a new part number.
In terms of making sure it has BT this will be done when it is programmed into the car.
RE: CD400 power problem - bigles - 26:th-Nov-2020
(26:th-Nov-2020, 07:33:39)Rusty2009 Wrote: there is a few part numbers the one fitted to your car may have been superceeded so there maybe a new part number.
In terms of making sure it has BT this will be done when it is programmed into the car.
Many thanks for the info.
RE: CD400 power problem - Big Dave2 - 27:th-Nov-2020
Sounds to me like a failed or failing capacitor (could be more than one) on the PCBs of the CD400. Had this a few times with various electronic items, such as TV's, home Hi-FI, etc. Take an age to power up, but work ok once warmed up.
Usually easily identified by the end cap of the capacitor being swollen/bulged. They should be flat.
If you can get the details off the side, and you're handy with a soldering iron, then they can be DIY replaced.
n.b. this is a general image for reference, it's not from a CD400
![[Image: Bulging-top.jpg?ssl=1]](https://i2.wp.com/allabouteng.com/wp-content/uploads/2018/08/Bulging-top.jpg?ssl=1)
RE: CD400 power problem - bigles - 22:nd-Dec-2020
(27:th-Nov-2020, 11:57:23)Big Dave2 Wrote: Sounds to me like a failed or failing capacitor (could be more than one) on the PCBs of the CD400. Had this a few times with various electronic items, such as TV's, home Hi-FI, etc. Take an age to power up, but work ok once warmed up.
Usually easily identified by the end cap of the capacitor being swollen/bulged. They should be flat.
If you can get the details off the side, and you're handy with a soldering iron, then they can be DIY replaced.
n.b. this is a general image for reference, it's not from a CD400
Interesting. Thanks for the info.