kjchatman
Senior Member
Last Activity: Today, 10:49 AM
Joined: 12-28-2012
Location: spring lake/ north carolina
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here ya go... -
found a boardview for this one and that coil is for a 3 volt standby power rail. a shorted capacitor was the issueLeave a comment:
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mpg z790 carbon NO POWER
the coil that i circled in the picture has zero resistance to ground. i'm thinking it's a shorted power rail. is anyone familiar with this motherboard? [ATTACH=JSON]{"data-align":"none","data-size":"medium","data-attachmentid":3564069}[/ATTACH]...
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b550-F
i have one of these boards and it goes to the vga indicator LED (white) and then it stops there. i've taken the bios chip off and written directly to it. i'm sure where else to go with it -
yea i used wee tools and nothing was definitive about the codes. why would that data signal be pulled down just by connecting the televison to the hdmi port? is the retimer directly connected to the apu?Leave a comment:
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no display on ps4 slim ddc i2c clock shorted
i replaced the hdmi port first with no luck then i noticed that it wouldn't do the two beeps for safe mode unless the televison wasn't connected to the console. Turns out that the ddc data bus has an issue. the clock signal is shorted to ground whenever the display is connected. Even if the console isn't plugged into the outlet. i'm not sure why the clock signal goes to ground. i removed the safety zener diode to rule that out as a culprit. -
it's the 1115A model. The UART codes are not definitive. I'm almost certain that it's apu related. The hdmi encoder has been replaced also. wish i had the ability to reattach the apuLast edited by kjchatman; 11-27-2024, 09:20 PM.Leave a comment:
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working great now. had to figure out how to clean the MELeave a comment:
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i've replaced the pch and it powers up but the nvme isn't recognized plus the fans ramp and the die on the pch gets very hot and it cuts off...Leave a comment:
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playstation 5 crashes and cuts off while trying to playback a dvd movie
the disc drive works perfectly because i can install games with it and it can read the movies.I can never get it to playback a movie disc. it goes to a black screen and sometimes a green screen then the console shuts down. It does it every single time i try to play a movie. The games also do the same thing If I don't start them up immediately after the console boots up. I've tried factory resets and replacing the ssd controller and the southbridge but nothing has resolved the issue -
i've replaced the pch with a brand new one and that got the laptop working again. Is it possible for an m.2 SSD to short a pch?Leave a comment:
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would the battery still charge with a dead pch?Leave a comment:
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seems illogical that the clean ME would fix a no power issueLeave a comment:
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acer an515-55 pch controller was replaced
several rails were shorted and the pch controller was replaced to resolve the issue. now i don't get any LEDs and no powering up at all. when i press the power button several power rails show up (3valwp, 105valwp 1.8valwp)... -
GIGABYTE X670 AORUS ELITE AX WON'T POST
i have a customer who tried to build this desktop and something went wrong.. I can't get the darn thing to post at all. i've found a power rail coil with very low resistance to ground but i'm not sure what the voltage for this rail is supposed to be. In the photo it's the top coil labeled MAL3Last edited by kjchatman; 09-19-2024, 12:37 PM. -
dell xps 13 9370 la-e671p with bad usbc controller
this board has three usb-c controllers. one of them was bad and was removed. does all three contnrollers have to be present and functioning? will it still post with a charged battery?Last edited by kjchatman; 09-12-2024, 12:44 PM. -
pin 16 of playstaton 5 hdmi port is shorted to ground
[URL=filedata/fetch?id=3328710&d=1723579988][ATTACH=JSON]{"alt":"Click image for larger version Name:\thdmi pinout.webp Views:\t0 Size:\t91.4 KB ID:\t3328710","data-align":"none","data-attachmentid":"3328710","data-size":"small"}[/ATTACH][/URL] i replaced the encoder which was defective and replaced the hdmi port but pin 16 is shorted to ground. it's obviously a data bus signal because it's paired with pin 15 but where does it lead? southbridge?...
Last edited by kjchatman; 08-13-2024, 02:14 PM. -
here's the schematic for dell alienware la-l762p
here is a schematic for la-l762p... -
i found the shorted cap after ramping the voltage and ampage and will post the schematic in the schematic forumLeave a comment:
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i'm not seeing anything heating up at 1 volt. i found a schematic and +5VALWP is the railLeave a comment:
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