Re: Lenovo G50-80 Turns on and off within 4-5 seconds
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Solac03
Member
Last Activity: 07-08-2022, 07:04 AM
Joined: 07-27-2021
Location: Manila
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Re: Lenovo G50-80 Turns on and off within 4-5 seconds
ok i have checked q25, correct me if i am wrong. when there is power drain side of q25 should have 5V ? i have measured gate pin of q25 give intermitent 5v, i noticed that when the power led turns on the voltage drops and goes back when power led turns off. To switch on q23 pin 4 (gate) should have 5v, so that pin 123(drain) of q23 will have +5vs. i have tested my board and q23 does not have +5vs. my board keeps blinking power led when adapter is plugged in, even if not switched on. also fan seems to spin a bit and stops. i don't...Leave a comment:
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Re: Lenovo G50-80 Turns on and off within 4-5 seconds
hi sir what is the value of q25 ? i have the same issue and will try to change q25...Leave a comment:
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Re: Lenovo G40-80 bios
hi all, i have lenovo g40-80 wont power on. I tried to flash the bios using romulo dump but nothing happened. comparing the original dump with my back up i notice its very diffrent. are there various version of the g40-80 board ?Leave a comment:
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Re: Achi pro SC controller
By the way the thing still has power. I had to change the top223yn because it had no power. After changing, was putting it back to the housing I didn't notice it was upside down. Hence the damage,Leave a comment:
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Re: Achi pro SC controller
Oh OK. I didn't even notice that transistor. I hope someone can take photos so I can identify the partsLeave a comment:
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Re: Achi pro SC controller
Can you take a photos? Your resistors are in tact? I just need the code. I can check the transistor for you if you like. Also, what happend to your controller?...Leave a comment:
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Re: Altec PC410 (BGA Rework) to communicate with PC
Hi sir maybe you can help me out. [url]https://www.badcaps.net/forum/showthread.php?t=97677[/url]. It's easy to remove the controller you just press a tab on the right side and pull the unit out. Just make sure you don't plug it in the wrong direction like I did.Re: Altec PC410 (BGA Rework) to comm...out. Just makeLeave a comment:
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Re: Achi IR6500 trouble
Hi sir maybe you can help me out. [url]https://www.badcaps.net/forum/showthread.php?t=97677[/url]. It's easy to remove the controller you just press a tab on the right side and pull the unit out. Just make sure you don't plug it in the wrong direction like I did.Re: Achi IR6500 trouble<br /> <br /...rection like ILeave a comment:
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Re: IR6500 problems, any tips?
Hi sir maybe you can help me out. [url]https://www.badcaps.net/forum/showthread.php?t=97677[/url]. It's easy to remove the controller you just press a tab on the right side and pull the unit out. Just make sure you don't plug it in the wrong direction like I did.Re: IR6500 problems, any tips?<br />...rong directionLeave a comment:
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Altec PC-410 PID Temperature Controller
Hi i need help identifying the value of some burnt resistors. I have accidentally pluged the controller upside down. Upon inspection I saw some burrnt resistors I don't know if anything else got damaged. If anyone has the same controller maybe can take some photos of the board.
CONTROLLER NAME AND MODEL ALTEC-PC410
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Re: New Members - please post your introductions here
Hi, all I'm just a hobbyist and diy. I have no back ground in electronics but, I have been interested in electronics ever since I was a kid. So, I watch a lot of videos and read a lot, to teach myself. I like to repair all stuff electronics. I don't have a resume like most of the newembers here :-)Leave a comment:
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