HI. I need help with this board! 5v/0a stable. Replacing the u7000 did not change the situation. Before I move on to replacing the SD3215, maybe there are some tips on what to pay attention
also need a diagram and boardview
[ATTACH=JSON]{"data-align":"none","data-size":"full","title":"820-00840.png","data-attachmentid":3268566}[/ATTACH]...
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-
05-10-2024, 01:50 PM
-
I have a MacBook Pro Touchbar A1706 that won't turn on. With the board removed I'm getting 19.62V and an average amp draw of 0.300A. When I first plug in my ampmeter it goes from 5V to 19.62V after a second or 2 and the amp draw starts at about 0.688A and up to about 0.790A and then it gradually goes down to about 0.155A and works it way up to around 0.330A and then it fluctuates in the range of about 0.200A-0.350A. The voltage stays at 19.62V. Can someone with any experience with this issue help me out. I checked all the main power rails and they were present. Anyone know it would be greatly...Today, 12:39 PM
-
Hi All,
Thanks for reading. Based on the interesting fact that the vertical lines issue don't seem to effect the menus whatsoever but rather everything around the menu regardless of video is shown, I'm trying to set mine whether the issue is the main board or the t-con board.
Again what's baffling is that the menu is not effected whatsoever. However, any other video displayed regardless of inputs or when no inputs exist exhibits the vertical lines and seem to effect black areas only.
The lines are green in color when the tv is in "Game Mode" and...Yesterday, 10:52 AM -
Hi all,
Looking for advice please, regarding those 2( film capacitor?? - honestly not too confident if are film capacitors). Short version of story : I bought a stagepass 500 active speakers, and found those components nearly blown. I know they are 1= L 125. Any advice where I could find them to buy, and also what else could lead to this fault?( I have a multimeter and soldering iron and I can get fixed if someone could give me some instructions)
Thanks allToday, 04:06 PM -
there is no reaction, it hangs at 20 V/0A. There was a little corrosion in the u7650 area. Replacing the u7000 did not help. Tell me, what else could it be? PPBUS_G3H=12.9V
Flashing the bios with a clean region also did not work!05-06-2024, 04:31 PM -
Hello. im renovation a Marantz Console Stereo Amplifier PM 25.
One of the potentiometer for the tone control is broken and im having troubles finding a replacement.
I know its 50K ohm.
i think its reverse log.
and 6 pin. Stereo.
The parts list says its a RS05030350
[ATTACH=JSON]{"data-align":"none","data-size":"custom","height":"353","width":"281","data-attachmentid":3270252}[/ATTACH] [ATTACH=JSON]{"data-align":"none",&qu...Today, 02:34 PM -
HI FOR ALL,
Dell XPS 15 9510
ST: fgnx2m3
board : GDP51/GDB51 LA-K411P REV:1.0
I'm trying to recover my corrupted BIOS dump, but ME Analyzer v1.96.4 r177 isn't identifying it as containing Intel Management Engine (ME) data. Could someone assist me with this issue?
or help me out to do recover my corrupted bios dump with extracted one from dell web site,
thanks in advance...Yesterday, 04:24 PM -
Hello,
I have MacBook Pro 2022 M2 with MB [URL="tel:820-02773"]820-02773[/URL] and it is completely dead. When I plug USB thru USB Voltmeter (FNB58), the Voltmeter turns off. I don't have any voltage on any pin. Looks like undetected. Should I replace UF100 and UF000 first? I don't have any idea how to start repair without voltage. There is no water damage or visually broken components.Hello,
I have MacBook Pro 2022 M2 with MB [URL="tel:820-02773"]820-02773[/URL] and it is completely dead. When I plug USB thru USB Voltmeter (FNB58), the Voltmeter turns off. I don'tToday, 12:49 PM -
Hi.
I kindly ask you to help me solve the problem.
Dell Precision 5510, motherboard AAM00 LA-C361P Rev:2.0
The board turns on, there is no image.
Read more. When the power supply is connected, the front panel indicators light up briefly.
When you press the power button, the button indicator lights up. The board works
there is no image, there is no matrix initialization, there is no image on HDMI.
When turned on, the fans do not spin, but when they warm up they start spinning.
When you turn off the button, the fans spin up to full speed for a short...05-11-2024, 03:14 PM -
Hey guys, I have a Lenovo Ideapad 320-15ikb NM-B241 rev:1.0.
After turning it on, it runs for a few seconds then shuts off completely. No screen, no fan. After shutdown, a red light comes on and off fast. I've been trying to troubleshoot this for days now. It's never been opened up; the Lenovo sticker is still intact.
(!)I tried with a different BIOS battery, without any ribbon cables, on battery power, without the keyboard, and it's always the same.
Any insights on what might be causing this?...Today, 03:05 AM
-
I have a MacBook Pro Touchbar A1706 that won't turn on. With the board removed I'm getting 19.62V and an average amp draw of 0.300A. When I first plug in my ampmeter it goes from 5V to 19.62V after a second or 2 and the amp draw starts at about 0.688A and up to about 0.790A and then it gradually goes down to about 0.155A and works it way up to around 0.330A and then it fluctuates in the range of about 0.200A-0.350A. The voltage stays at 19.62V. Can someone with any experience with this issue help me out. I checked all the main power rails and they were present. Anyone know it would be greatly...Today, 12:39 PM
-
Hey guys, I have a Lenovo Ideapad 320-15ikb NM-B241 rev:1.0.
After turning it on, it runs for a few seconds then shuts off completely. No screen, no fan. After shutdown, a red light comes on and off fast. I've been trying to troubleshoot this for days now. It's never been opened up; the Lenovo sticker is still intact.
(!)I tried with a different BIOS battery, without any ribbon cables, on battery power, without the keyboard, and it's always the same.
Any insights on what might be causing this?...Today, 03:05 AM -
Hello,
I have MacBook Pro 2022 M2 with MB [URL="tel:820-02773"]820-02773[/URL] and it is completely dead. When I plug USB thru USB Voltmeter (FNB58), the Voltmeter turns off. I don't have any voltage on any pin. Looks like undetected. Should I replace UF100 and UF000 first? I don't have any idea how to start repair without voltage. There is no water damage or visually broken components.Hello,
I have MacBook Pro 2022 M2 with MB [URL="tel:820-02773"]820-02773[/URL] and it is completely dead. When I plug USB thru USB Voltmeter (FNB58), the Voltmeter turns off. I don'tToday, 12:49 PM -
Customer computer came in, did a DFU revive, no luck, gives error, swapped out battery with two known working batteries still no luck. Board gets 20Volts, raises up to 1Amp then restarts, track pad clicks etc. Tried DFU restore, informed the customer that data recovery is most likely not possible since it didn't give us a revive and DFU restore was the next method to save the board, however it looks like not even DFU Restore is working as well. What could be causing this? I am assuming this is the infamous A2141 flaw that has the flawed Data lines that fail? Any suggestions would be great...Today, 10:21 AM
-
Hi All,
Thanks for reading. Based on the interesting fact that the vertical lines issue don't seem to effect the menus whatsoever but rather everything around the menu regardless of video is shown, I'm trying to set mine whether the issue is the main board or the t-con board.
Again what's baffling is that the menu is not effected whatsoever. However, any other video displayed regardless of inputs or when no inputs exist exhibits the vertical lines and seem to effect black areas only.
The lines are green in color when the tv is in "Game Mode" and...Yesterday, 10:52 AM -
Hi everyone,
I have been working on a no power issue with my personal ASUS gaming laptop. It went dead a few months ago.
Some history:
Since then, I've found a blown mosfet on the GPU line which I replaced. It started up without a battery, then when I added the battery back it wouldn't start up again.
As a result, there were some blown components around the BQ chip. (The BQ chip itself - BQ24780S, the low side battery mosfet (shorted), and a resistor -> all replaced)
Now, with a new battery the system will start up and run off...Today, 09:40 AM -
Hi all,
Looking for advice please, regarding those 2( film capacitor?? - honestly not too confident if are film capacitors). Short version of story : I bought a stagepass 500 active speakers, and found those components nearly blown. I know they are 1= L 125. Any advice where I could find them to buy, and also what else could lead to this fault?( I have a multimeter and soldering iron and I can get fixed if someone could give me some instructions)
Thanks allToday, 04:06 PM -
Hello, gentlmen!!!
My HP Probook 430 g2 does not detect battery. I tested the battery on another laptop and it is OK.
I believe smth is wrong with my PC ((.
Searching this forum I found some nice suggestions.
So, I tested Battery Connector pins (charger in/battery out) and here are my results:
pin_1 0v (-)
pin_2 3.30v
pin_3 0v
pin_4 3.38v (SCL)
[B]pin_5 2.55v (SDA)!!![/B]
pin_6 2.25 (+)
As far as I understand SDA pin must be ~3.3v???
Are there any other tests I can do before disassembling motherboard?
I...05-11-2024, 05:22 AM -
Hello guys
Because the unit is old (but only occasionally used) the loudness button causes some noise due to bad contact,
sprays did not work, so i decided to solder the pins that it connects on the pcb at the on (loudness on) position
i did that and it worked fine, i know from the bottom of my heart that the switch connects 2 pins and also d/c other 2 pins
on every position it have (6 pin switch), so i was curious what would happen if i clicked the switch off while the pins are soldered at on (so basiclly on and off at the same time), when i did so the sound is gone, nothing...05-05-2024, 06:20 AM -
Hello. im renovation a Marantz Console Stereo Amplifier PM 25.
One of the potentiometer for the tone control is broken and im having troubles finding a replacement.
I know its 50K ohm.
i think its reverse log.
and 6 pin. Stereo.
The parts list says its a RS05030350
[ATTACH=JSON]{"data-align":"none","data-size":"custom","height":"353","width":"281","data-attachmentid":3270252}[/ATTACH] [ATTACH=JSON]{"data-align":"none",&qu...Today, 02:34 PM