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Nintendo Switch
Switch Lite ZL always "pressed" (high resistance against GND)
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<blockquote data-quote="mvmiranda" data-source="post: 9946885" data-attributes="member: 338095"><p>Hello all,</p><p>Long time since I've posted here and I'm back again with a brand new issue I'd like to discuss with you and get some inputs.</p><p></p><p>I received this Switch Lite the customer attempted to mod with a HWFLY Lite 4.1 and ended up partially removing the mainboard FPC white lid (the FPC that connects the button board to the mainboard) while the battery was plugged in.</p><p>He said he tried to turn on the console a couple of times without it properly attached and ultimately gave up.</p><p></p><p>I received the console, swapped the FPC, finished the mod install and then assembled it. I proceeded to test it and noticed the ZL was not working in "Test input devices" and that it automatically ended after 1 or 2 seconds.</p><p>I then noticed a message that reads "Hold down any button to end the test" and I figured it might be always pressed.</p><p></p><p>The buttons works by connecting the line to GND.</p><p></p><p>I did some tracing and found the complete path the ZL button takes.</p><p>It starts in here:</p><p>[ATTACH]328720[/ATTACH]</p><p></p><p>Then it follows the flex cable which leads to here (it then follows this small path where we can see a capacitor to filter the line):</p><p>[ATTACH]328719[/ATTACH]</p><p></p><p>The trace enters the board, travels the 9 layers and end in the STM32F038C6 microcontroller:</p><p>[ATTACH]328721[/ATTACH]</p><p></p><p>Measuring the button against GND (black tip in GND) in diode mode (beeps in continuity) I noticed we have a 690 Ohms value. The ZR doesn't measure anything (OL) unless it's shorted to GND when it closes the circuit and beeps.</p><p>I have other Switch Lite boards and consoles in here and I can confirm the ZL follows the same logic as ZR (OL with no value when measuring against GND).</p><p></p><p>I removed every component in the line (the FPC connector, filter capacitor and microcontroller) and the value is still present, so my assumption here is that the trace is damaged internally.</p><p>Maybe a high voltage generated by the partially connected FPC charred/burned the trace near a GND plane/trace and it's now producing this value I see in my multimeter.</p><p></p><p>Does anyone here ever saw this issue?</p><p></p><p>Thanks!</p></blockquote><p></p>
[QUOTE="mvmiranda, post: 9946885, member: 338095"] Hello all, Long time since I've posted here and I'm back again with a brand new issue I'd like to discuss with you and get some inputs. I received this Switch Lite the customer attempted to mod with a HWFLY Lite 4.1 and ended up partially removing the mainboard FPC white lid (the FPC that connects the button board to the mainboard) while the battery was plugged in. He said he tried to turn on the console a couple of times without it properly attached and ultimately gave up. I received the console, swapped the FPC, finished the mod install and then assembled it. I proceeded to test it and noticed the ZL was not working in "Test input devices" and that it automatically ended after 1 or 2 seconds. I then noticed a message that reads "Hold down any button to end the test" and I figured it might be always pressed. The buttons works by connecting the line to GND. I did some tracing and found the complete path the ZL button takes. It starts in here: [ATTACH]328720[/ATTACH] Then it follows the flex cable which leads to here (it then follows this small path where we can see a capacitor to filter the line): [ATTACH]328719[/ATTACH] The trace enters the board, travels the 9 layers and end in the STM32F038C6 microcontroller: [ATTACH]328721[/ATTACH] Measuring the button against GND (black tip in GND) in diode mode (beeps in continuity) I noticed we have a 690 Ohms value. The ZR doesn't measure anything (OL) unless it's shorted to GND when it closes the circuit and beeps. I have other Switch Lite boards and consoles in here and I can confirm the ZL follows the same logic as ZR (OL with no value when measuring against GND). I removed every component in the line (the FPC connector, filter capacitor and microcontroller) and the value is still present, so my assumption here is that the trace is damaged internally. Maybe a high voltage generated by the partially connected FPC charred/burned the trace near a GND plane/trace and it's now producing this value I see in my multimeter. Does anyone here ever saw this issue? Thanks! [/QUOTE]
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Switch Lite ZL always "pressed" (high resistance against GND)
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PIZZA
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Something tells me posting pics of the stuff that comes out of my smoker might go over well here
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https://www.youtube.com/watch?v=VKqmsCtbKA8
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I'll take that as a "no" then...
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@diamondsofmayhem
, ?
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@Sonic Angel Knight
, he does bake stuff
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sorry, beein trying to find this file that's been right in front of me for a month now, only to find broken links, and google to prove that it's completely worthless.
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diamondsofmayhem
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It's proven quite frustrating.
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diamondsofmayhem
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don't get me wrong, it's just a cheat plugin, but one for a game I want to absolutely destroy
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@diamondsofmayhem
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Hyrule Warriors legends
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diamondsofmayhem
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the US/EUR version, but the link is dead.
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and, I'll be honest, I don't even know if I'm in the right spot to be asking for help.
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@diamondsofmayhem
, try making a thread
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in which forum? there's several.
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Having every channel is fun lol
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Actually, finally found someone who was looking for the same thing.
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well, sorry for bugging yall with this.
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