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Search: Posts Made By: ktmmotocross
Forum: Troubleshooting Laptops, Portable, and Mobile Devices Yesterday, 03:57 AM
Replies: 2
Views: 74
Posted By ktmmotocross
Re: Lenovo B560 Switching Ic Equivalent

if u dont have exact one than order exact one
Forum: Troubleshooting Laptops, Portable, and Mobile Devices Yesterday, 03:52 AM
Replies: 2
Views: 81
Posted By ktmmotocross
Re: Razer RZ09-01952 can someone identify what kind of fix has been made here

looks like someone i grabbing voltage and giving it to some points. look in schematic for vhat voltage is grabbing and where it injecting
Forum: Troubleshooting Laptops, Portable, and Mobile Devices Yesterday, 03:49 AM
Replies: 8
Views: 106
Posted By ktmmotocross
Re: MacBook Pro 15" Mid 2012 Unibody NO AUDIO

did u check audio ic for power, short on outputs ...
Forum: Troubleshooting Laptops, Portable, and Mobile Devices Yesterday, 03:36 AM
Replies: 5
Views: 61
Posted By ktmmotocross
Re: Lenovo ThinkPad T440p running slow

check cpu with CPU-Z for throttling problem
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 05-12-2020, 01:05 PM
Replies: 9
Views: 194
Posted By ktmmotocross
Re: Lenovo G50-80 turns on and quickly shuts down

1.6V is way high i think. replace all mosfets on cpu rails
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 04-24-2020, 11:21 PM
Replies: 8
Views: 340
Posted By ktmmotocross
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 04-21-2020, 05:15 AM
Replies: 0
Views: 71
Posted By ktmmotocross
Asus X550LN screen glitches when flexing board

Hello Have this Asus X550LN that have glitches on screen when flexing board and even turn off. I try to isolate flex point and it looks like it is bad ball under processor.

Have this model...
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 04-18-2020, 03:07 PM
Replies: 4
Views: 142
Posted By ktmmotocross
Re: HP 6560b Wireless Module not supported

put in original card type or search for "whitelist" bios
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 04-15-2020, 05:10 AM
Replies: 5
Views: 120
Posted By ktmmotocross
Re: Lenovo E520 - Low 3., and 5V ALW

replaced ic and all works
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 04-15-2020, 04:59 AM
Replies: 5
Views: 120
Posted By ktmmotocross
Re: Lenovo E520 - Low 3., and 5V ALW

sry bad reading. have no REG1 and REG2
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 04-15-2020, 02:18 AM
Replies: 5
Views: 120
Posted By ktmmotocross
Re: Lenovo E520 - Low 3., and 5V ALW

Pin 16 and 18 have no voltage
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 04-15-2020, 02:08 AM
Replies: 5
Views: 120
Posted By ktmmotocross
Re: Lenovo E520 - Low 3., and 5V ALW

i find datasheet if this ic

https://www.bulcomp-eng.com/datasheet/BD95280MUV.pdf
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 04-15-2020, 02:06 AM
Replies: 5
Views: 120
Posted By ktmmotocross
Lenovo E520 - Low 3., and 5V ALW

Hello have this Lenovo E520 that have low 3.3 and 5V ALW voltages. i read 0.36V and 0.67V

cannot find datasheet of this ic BD95280MUV-GP, but everything looks good. no short, REG voltages OK, EN...
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 04-08-2020, 03:45 AM
Replies: 0
Views: 109
Posted By ktmmotocross
HP 15 da0u36mb6d0 rev d bios - low VRM_ON ?

Hello.
Have this HP 15 da0u36mb6d0 rev d bios that start without video.

I chceck that have no power to CPU and GPU. to NCP6132B comes power, but on EN pin is 1.05V. On that pin must be logic HIGH...
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 04-04-2020, 10:49 PM
Replies: 2
Views: 118
Posted By ktmmotocross
Re: Thinkpad X1 Carbon 2nd gen missing bios chip

what u need to figure?

it is u49 and in your schem it is 8MB chip W25Q64FVSSIQ-GP
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 04-03-2020, 09:08 AM
Replies: 9
Views: 293
Posted By ktmmotocross
Re: Lenovo thinkpad Edge 13 0217 - Spontaneously low NBSWON to 1.5V

changed pullup resistor 10k R198 to 2.2k and voltage goes up to 2.5V. still not perfect but now it dont make problems
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 04-02-2020, 11:23 PM
Replies: 14
Views: 267
Posted By ktmmotocross
Re: Alienware 17 P18E GPU upgrade fail (BIOS mod?)

dont even count how many times bought "new" looking package with bad gpu
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 04-01-2020, 01:13 PM
Replies: 6
Views: 216
Posted By ktmmotocross
Re: Hp CQ62 SIO problem EC_USB_PWR_EN

keyboard connector?

KBC is SIO or EC
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 04-01-2020, 01:12 PM
Replies: 30
Views: 684
Posted By ktmmotocross
Re: LENOVO G50 -70 power on No screen

What means "Activite"?
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 04-01-2020, 12:23 PM
Replies: 30
Views: 684
Posted By ktmmotocross
Re: LENOVO G50 -70 power on No screen

as first flash bios. have many of it with bad bios program
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 04-01-2020, 12:22 PM
Replies: 9
Views: 293
Posted By ktmmotocross
Re: Lenovo thinkpad Edge 13 0217 - Spontaneously low NBSWON to 1.5V

yes i have. when laptop start it jumps to 3.3 but when is off after time somethig start to leak and it goes to 1.5V
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 04-01-2020, 12:32 AM
Replies: 48
Views: 1,040
Posted By ktmmotocross
Re: Lenovo IdeaPad s340 burned motherboard ?

temps are ok. dont bother with it.

for speaker?
find in schem if u have amplifier ic or just sound ic and check input outputs with headphone attached to probes
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 04-01-2020, 12:29 AM
Replies: 9
Views: 245
Posted By ktmmotocross
Re: ASUS S301la - strange picture

nice one. i learn something new
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 04-01-2020, 12:23 AM
Replies: 22
Views: 621
Posted By ktmmotocross
Re: Acer V5-132p RAM problem. Please help me.

im sure that internalrams is problem, but in schem dont find a way how to disable it. try to search for solution or u can find another modules pointing in schem and replace
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 03-31-2020, 09:49 PM
Replies: 9
Views: 293
Posted By ktmmotocross
Re: Lenovo thinkpad Edge 13 0217 - Spontaneously low NBSWON to 1.5V

this shit freaks me out.

replaced kbc and still have leakage that pulls my 3.3V NBSWON down
Showing results 1 to 25 of 500

 
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