kjchatman
Senior Member
Last Activity: 04-11-2025, 08:39 AM
Joined: 12-28-2012
Location: spring lake/ north carolina
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i have a thermal camera that i use all the time to do repairs but this board isn't drawing any currentLeave a comment:
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i ordered that Qianli Tail Tester for the future but i don't think this one has a problem with charging now that i've replace the charging flex cable again. It still doesn't power up but it's probably a pmic issue since the power button doesn't have 3vLeave a comment:
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but i removed the flex cable to be sure and those pads are still reading OL in diode modeLeave a comment:
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1614a1 ic?...Leave a comment:
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a lot of the pins that connect to the charging flex cable aren't connected. they read as OL in diode mode to ground. would that be a charging IC issue?Leave a comment:
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3.8v on the battery terminal. it' barely drawing any current at all. .060 ampsLeave a comment:
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i'm sure that i put the charging flex cable on with accuracy. what should the voltage be on the battery terminal with out a battery attached?Leave a comment:
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ipad air 9th gen a2602 not powering up after charging port replacement
i'm new to fixing ipads. i've replaced a few ports but i've not done any other troubleshooting so i'm trying learn more. What voltage should read on the battery terminal if the battery isn't connected but the charging cable is connected? i'm getting a reading but it's not stable -
here ya go...Leave a comment:
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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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