Acidmods
Console Modding------ ( Here you can talk about your favorite Consoles ) => PS4 => PS4 Controllers/PS4 Rapid Fire Controllers => Topic started by: cykotix on March 19, 2020, 07:53:50 AM
-
Hello all!
I was recently doing a simple shell swap using a JDM-040. Should have been pretty straight forward. I also had a JDM-011 apart and accidentally plugged the touchpad from the JDM-011 into the JDM-040 mainboard. Lesson learned there... The controller woke up briefly after doing so but will now no longer power on. I get the pulsing orange light still when I attach power from USB but it is not detectable by the PS4 via USB or bluetooth.
I recently started getting into diagnosing/fixing components on motherboards so I was hoping someone might be able to suggest where I start looking first to determine which components I likely caused to be faulty. I have access to all the appropriate tools to perform the fix - just hoping to see if anyone has any suggestions where to start looking. Unfortunately I do not have another JDM-040 on-hand to perform side-by-side tests to see what is considered normal.
With the extra time I'm spending at home now, I figured this might turn into a good learning exercise regarding board repair so any input would be greatly appreciated.
Thanks!
-
stupid question - did you remove the touchpad from the jdm-011? When You connecting ds4 on usb, is something warming up? can you measure current consumption?
-
Once I started up the JDM-040, the touchpad (from JDM-011) was warm to the touch and ultimately how I knew something was wrong (besides the obvious no power). I swapped the correct touchpad in and as best as I can tell, nothing else on the mainboard gets warm to the touch. Even with the incorrect touchpad, the only abnormal heat I noticed was generated by the wrong touchpad (specifically from the small IC on the JDM-011 touchpad). Haven't investigated yet if I caused harm to that piece yet.
Just to be clear again, it's a JDM-040 board that I accidentally plugged a JDM-011 touchpad into. Realized what I did when the JDM-011 touchpad got warm and now the JDM-040 won't power on or communicate to the PS4 via bluetooth or USB. When USB power is plugged in, the only life I get is the pulsing orange charging light.
I have a USB current tester I'll try this evening and see what the controller is drawing exactly. Thanks!
-
Pulling about 520mA with a pulsing orange light.
(https://i.postimg.cc/njrQGZN2/MVIMG-20200319-200117.jpg) (https://postimg.cc/njrQGZN2)
-
it's not a good idea to charge the ds4 from powerbank. First of all, I would look at the board for broken chips. then check for a short circuit on the board - check all capacitors in the area of this chip.
(https://i.postimg.cc/HVjHR1NF/JDM-040-1-981-330-31-Bottom.jpg) (https://postimg.cc/HVjHR1NF)
Touch the chip while charging - is it warming?
-
Hrm, as best as I can tell, everything seems normal. I've just ordered another conductive film to see if that's actually the problem. Appreciate the feedback so far!
-
So new film arrived today. I installed it and at first I thought I got a faulty film. The R2 button is acting like it being pressed, ever so slightly - enough to activate it. So after a fair bit of troubleshooting, I ended up completely stripping everything down to just the bare boards: JDM-040 and the JDS-040. So no film or buttons connected and it's still registering as being slightly pressed. Any ideas what could be causing it? I checked all caps and no shorts that I can tell around the board. There is no inappropriate heat being generated on any chips. I'm really at a loss as to what's wrong with this board...
Here is the output from DS4SWindows:
(https://i.postimg.cc/s1yMvRkj/R2-Issue.png) (https://postimg.cc/s1yMvRkj)
And here is just bare JDM-040 with nothing else attached to press R2:
(https://i.postimg.cc/ZWq30hyB/IMG-20200327-202501.jpg) (https://postimg.cc/ZWq30hyB)
-
Check this topic https://www.acidmods.com/forum/index.php/topic,44561.0.html (https://www.acidmods.com/forum/index.php/topic,44561.0.html)
-
Thanks for this. Definitely makes sense. Unfortunately I'm getting the same behavior with both films installed now. Under close inspection, I did notice that the pins on my JDS-040 to JDM-040 flex cable aren't in the best condition - likely from being plugged in and out so many times now. They're starting to lift off the cable itself and I'm wondering if that may be the culprit since I get the same behavior with both daughter boards. The markings say it is a AWM 2896 80C VW-1. It measures 7mm wide and 75mm long. Type A since the connections are on the same side.
Other than finding a replacement JDS-040 with the included ribbon cable, does anyone happen to know where I could buy just the ribbon cable to see if that fixes my issue?
(https://i.postimg.cc/4mbLKzny/IMG-20200328-120836.jpg) (https://postimg.cc/4mbLKzny)
-
just evenly cut the damaged piece with scissors or a scalpel.
Further, some information about the pinout of the connector, which RDC provided in another topic:
(https://i.postimg.cc/H88DCx9X/JDM-040-Conn.jpg) (https://postimg.cc/H88DCx9X)
1 - 5v
2 - 5v
3 - LED+
4 - BLUE-
5 - RED-
6 - GREEN-
7 - GND
8 - GND
9 - D-
10 - D+
11 - GND
12 - GND
-
Is there a difference between a green vs blue ribbon circuit board for a JDM-040?