Hello,
Fan spinning normally, power LED turns on and goes off almost instantly, computer remains on, has no internal/external display output.
S/N: G7PTTSIR000W
Model: ZN240IC
Make: Z2401CGT
Motherboard: Z240IC REV 1.4
BIOS dump attached....
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by smartie91[B]ASUS VP228 Monitor main board 715G7588-M04-B02-004Y [/B]
Hi i have a asus monitor which will not display HDMI, vga works ok , i know its the monitor and not cable as i have 2 monitors idenical and devices work ok on other monitor but just swapping monitor dont display , i am looking for a schmatic of the main board if anybody can help please
thank you[B]ASUS VP228 Monitor main board 715G7588-M04-B02-004Y [/B]
Hi i have a asus monitor which will not display HDMI, vga works ok , i know its the monitor and not cable as i have 2 monitors idenical and devices1 Photo-
Channel: Troubleshooting Computer Displays
03-27-2024, 05:59 AM -
-
by repairplus[B]I need BIOS + EC. Please help
-----------------------------------------------------
MODEL: HP Elite x360 1040 G9 2-in-1
-------------------------------------------------------
PCB Ver
----------------------------------------------
POWDERKE-PV-G3M[/B]
6050A3316601-MB-AX4
2021-11-17
----------------------------------------------
SPEC
CPU: 12TH Gen I7-1265U
RAM 16GB
SSD: 256GB
-----------------------------------------------
Thank you.[B]I need BIOS + EC. Please help
------------------------------------------------------
Channel: BIOS Requests ONLY!
Today, 04:45 AM -
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by Donny2derbyIf you connected in the control wiring onto an inverter could an arduino programmer be used as the controller?
In my (limited and attempting to learn mind) using the right set of code and some simple wiring this would be relatively simple to achieve??
Yes?? Or if not can someone tell me why please 🙂
Thanks 👍🏻Yesterday, 03:22 PM -
by reassorThere is 2 sia ics and in 1 section where u see dots on the coils i have 2.2ohm there and there is no voltage on them at all.
Also i read in other topić how psu works on these tvs and when u pług it in there is constant 40w draw from wall. When I unplug display from tcon it drops 10w when I unplug tcon it drops another 10w (unplug done w/o power ).
I'm mostly sure its main board cpu cause no sygnał to turn on 24 volt for panel and its constant draw.
For now I'm just curios about these w coils . Could not find any datasheet for ic thats the lines go...1 PhotoYesterday, 11:06 PM -
[SIZE=12px]I have a PlayStation Pro that has a buzzing and ticking sound from the back on the side of the power supply. I searched for a solutions , i tried to make reflow for some of the components but it did not work. In addition, I used silicone on parts on board without any changement. I discovered that if I make a short on the IC in the left corner, the noise stops. Is that dangerous?[/SIZE]
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by rumpumpel1I have a ThinkPad X270 (NM-B061) with the following error: the mainboard tries to start, the current goes up to 80 mA and then immediately drops back down to 20 mA. This is repeated every few seconds. Fortunately, there is a timing diagram at the end of the schematic. Starting from the top up to and including -PWRSW_EC it is all as shown in the diagram. Starting with -PCH_SLP_S4 you can see the periodic behavior, i.e. instead of the signal staying at 3.3V, it always drops back to 0. What conclusions can I draw from this behavior?
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I was not high on caffeine but the specs we nice-[LIST][*]Processor: AMD Ryzen 5 4600H 6 x 3 - 4 GHz, Renoir-H (Zen 2)[*]Graphics adapter: AMD Radeon RX Vega 6 (Ryzen 4000/5000)[*]Ram: 16gb DDR4[/LIST]so i bought it now i need schematics and help trouble shooting this all i saw is this burned cap idk what...03-19-2024, 05:00 AM -
by ktmmotocrossHello.
I have some rtx 30xx cards that have ripped pads under memory or under gpu. there is out bioses for memory channel disable but it cannot be for every 30xx card so must edit bios.
Anybody try that or have guide?Today, 03:19 AM -
HI I have a break in the EHT wire that connects to anode that goes into the tube i.e noticed light beaming out from a tiny section of the wire and sparks on a component on the pcb.Please advise the best method to repair the eht wire i.e what type of glue can i use.thank you.Yesterday, 03:20 AM
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by reassorThere is 2 sia ics and in 1 section where u see dots on the coils i have 2.2ohm there and there is no voltage on them at all.
Also i read in other topić how psu works on these tvs and when u pług it in there is constant 40w draw from wall. When I unplug display from tcon it drops 10w when I unplug tcon it drops another 10w (unplug done w/o power ).
I'm mostly sure its main board cpu cause no sygnał to turn on 24 volt for panel and its constant draw.
For now I'm just curios about these w coils . Could not find any datasheet for ic thats the lines go...1 PhotoYesterday, 11:06 PM -
by sammus540I have a Vostro 3420 8H8K5R3-8FC8 that freeze at any attempt to enter bios password or the recovery master password received from dell. I do not have a clean BIOS image to flash.
And as luck would have it happened a couple of months ago right outside of the warranty period (Dec 2023) warranty expired in September. Any help or guidance is appreciated.-
Channel: BIOS Requests ONLY!
Yesterday, 06:33 PM -
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by FronczekHello people,
I've got this laptop not working for repairs, and as you can see something was done to it as you can see in the coils PL58XX (which I for some reason cannot find in the schematics...) The first FET (PQ201) was not an original part and a questionable one at that and the second one (PQ202) was shorted. Both are N-channel. Ordered replacements for them and replaced them after arrival. Now I have encountered another problem: there is no power at the second FET. By following the thread linked I got to the injection part. Applied 0.8V at 1.5A, but couldn't feel anything getting hot,...Technical discussions covering any type of laptop, notebook, netbook, tablet, or smartphone. Any and all brands and models welcome. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!Yesterday, 04:18 AM -
by paskelovanisHello,
Fan spinning normally, power LED turns on and goes off almost instantly, computer remains on, has no internal/external display output.
S/N: G7PTTSIR000W
Model: ZN240IC
Make: Z2401CGT
Motherboard: Z240IC REV 1.4
BIOS dump attached....-
Channel: BIOS & Schematic Requests!
Today, 05:05 AM -
-
by repairplus[B]I need BIOS + EC. Please help
-----------------------------------------------------
MODEL: HP Elite x360 1040 G9 2-in-1
-------------------------------------------------------
PCB Ver
----------------------------------------------
POWDERKE-PV-G3M[/B]
6050A3316601-MB-AX4
2021-11-17
----------------------------------------------
SPEC
CPU: 12TH Gen I7-1265U
RAM 16GB
SSD: 256GB
-----------------------------------------------
Thank you.[B]I need BIOS + EC. Please help
------------------------------------------------------
Channel: BIOS Requests ONLY!
Today, 04:45 AM -
-
by rumpumpel1I have a ThinkPad X270 (NM-B061) with the following error: the mainboard tries to start, the current goes up to 80 mA and then immediately drops back down to 20 mA. This is repeated every few seconds. Fortunately, there is a timing diagram at the end of the schematic. Starting from the top up to and including -PWRSW_EC it is all as shown in the diagram. Starting with -PCH_SLP_S4 you can see the periodic behavior, i.e. instead of the signal staying at 3.3V, it always drops back to 0. What conclusions can I draw from this behavior?
[ATTACH=JSON]{"data-align":"none&qu...Today, 03:43 AM -
by ktmmotocrossHello.
I have some rtx 30xx cards that have ripped pads under memory or under gpu. there is out bioses for memory channel disable but it cannot be for every 30xx card so must edit bios.
Anybody try that or have guide?Today, 03:19 AM -
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yesterday i bought this [ATTACH=JSON]{"data-align":"none","data-size":"custom","height":"251","title":"corrossiom.png","width":"354","data-attachmentid":3238358}[/ATTACH]
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