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Looking for Hp envy 17t-cw000 diagram of motherboard
[ATTACH=JSON]{"alt":"Click image for larger version Name:\tIMG_0172.jpg Views:\t0 Size:\t2.61 MB ID:\t3306057","data-align":"none","data-attachmentid":"3306057","data-size":"custom","height":"399","title":"IMG_0172.jpg","width":"532"}[/ATTACH][ATTACH=JSON]{"alt":"Click image for larger version Name:\tIMG_0171.jpg Views:\t0 Size:\t1.06 MB ID:\t3306056","data-align":"none","data-attachmentid":"3306056","data-linktype":"2","data-size":"custom","height":"466","title":"IMG_0171.jpg","width":"621"}[/ATTACH]...
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resistance mode (200k) selected crappy multimeter
I have to buy a better one
1. mosfet 4447A
S&D= 0 Continuity (beep)
S&G= 0
G&D= 0
its short to ground I tested it in continuity, its the same results with the new and old mosfet
2. mosfet S3604
S&D= 103
S&G= 0
G&D= 107
read high then numbers start to drop
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Lenovo Y50-70 (LA-B11P) no charge problem
ok so I have this Lenovo y50-70 touch that has a no charge problem, maybe someone can point me in the right Direction since I cannot find a schematic for Borderview
what are you guys opinion on where to start to check why its not charging?
Back story:
I bought this with a bad charging port, previous owner stated it charge fine but his kid kicked the cord and rip the plug and port out.
so I ordered a new one, but when I was replacing the plug the open wire touch and made a spark because I completely forgot to unplug the battery.
so I went a head changed out...
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Yes it’s the original bios chip, i probably shorted it when I removed it and hook it up bios chip reader. I’m just to going to order another chip and see if that fixes the problem
QUOTE=mon2;n3205012]Is the 25L25673G the original bios that was onboard? According to the datasheet, this exact part number is for use @ 3v3. It cannot function @ 1v8.
[ATTACH=JSON]{"data-align":"none","data-size":"medium","data-attachmentid":3205013}[/ATTACH][/QUOTE]Yes it’s the original bios chip, i probably shorted...
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killed my bios chip?
long story short,
I read the chip on ch341 and tired to figure out how to remove the bios password and couldn't but I wrote the bin back and now it doesn't boot, I get a white light on the power button for about 10sec then turns off.
I tried to trouble shoot and Measure the bios chip.
pin1 has 3v
pin 8 VCC shows 1.5-1.8v
did I kill the chip? on the datasheet says pin8 +3v power supply
Lenovo yoga 9i
BIOS CHIP # MXIC MX 25L25673G
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here's a back of the bios I had found on my desktopBadcaps Electronics Repair Forum & Schematic Search
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This is all I can get since the laptop won't power on.
Model: Yoga9 14TL5
MB # 5B20Z26723
S/N # PF35GBLV
BIOS CHIP # MXIC MX 25L25673G
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does anybody have an original factory bios for this model of yoga?
I messed up the bios and can't find an original to try to fix it.
back story
I pulled the bios chip and read it with ch341, I tired to figure out to remove password. then I tried to write it back and now it doesn't boot, charge, no signs of life. I'm sure I killed or corrupted the bios chip
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