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Search: Posts Made By: mcplslg123
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 05-20-2022, 11:49 PM
Replies: 19
Views: 529
Posted By mcplslg123
Re: Dell Inspiron N5110 dead

Measure voltage on all pins of 3/5V regulator and post it here. What is the consumption on your dc supply in offline condition??
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 05-20-2022, 11:44 PM
Replies: 119
Views: 2,032
Posted By mcplslg123
Re: ASUS ROG G14 (GA401) battery spark, dead.

yOU DIDNT MENTIONED VOLTAGE ON ACN/ACP pins. I think its zero on pin1-2-3. In other words, voltage is not paasing out from dc-in mosfets. Have you checked them for short??
Forum: Schematic Requests ONLY! 05-19-2022, 11:15 PM
Replies: 1
Views: 56
Posted By mcplslg123
Re: Need schematic for dell inspiron 3593

Its already posted here.
https://www.badcaps.net/forum/showthread.php?t=100088
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 05-19-2022, 11:08 PM
Replies: 6
Views: 259
Posted By mcplslg123
Re: Why does PCH get shorted internally?

From 8th gen onwards, i beleive its designed to fail by INTEL.
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 05-19-2022, 11:07 PM
Replies: 2
Views: 73
Posted By mcplslg123
Re: dell e5550 not posting

Check whether DRAMRST# is present??
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 05-19-2022, 11:05 PM
Replies: 16
Views: 467
Posted By mcplslg123
Re: dell inspiron N5050 3v,5v alw no present

Q2706 Drain voltage is wrong at 0.96V. It should be 3.3V. Its pulled up from 3D3V_AUX_KBC and that voltage is present going by your measurement on Q2703. Check voltage on R2714-both sides. Voltage on...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 05-19-2022, 10:46 PM
Replies: 1
Views: 66
Posted By mcplslg123
Re: EC IT8528E programmed?

Not programmable
Forum: Schematic Requests ONLY! 05-19-2022, 10:40 PM
Replies: 2
Views: 117
Posted By mcplslg123
Re: Acer daoz8emb8co schematic

Thanks @anshad for sharing. I was on a holiday for a week and thats why responded late.
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 05-17-2022, 11:22 PM
Replies: 2
Views: 113
Posted By mcplslg123
Re: problem with elite book 9480m

Remove the lan chip and try again.
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 05-17-2022, 10:48 PM
Replies: 12
Views: 165
Posted By mcplslg123
Re: Dell Alienware 17 R4 BAP10 LA-D751P, cpu b+ shorted?

Use a knife tip on your soldering iron and put some solder on all pins of mosfets first and then try removing it with a lot of good bga quality flux applied.
Forum: Schematic Requests ONLY! 05-11-2022, 11:13 PM
Replies: 2
Views: 117
Posted By mcplslg123
Acer daoz8emb8co schematic

I need schematic for ACER DAOZ8EMB8CO REV C. I've boardview in PDF format.
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 05-11-2022, 11:03 PM
Replies: 4
Views: 290
Posted By mcplslg123
Re: Thinkpad L480 , Short To Ground, CPU gets Hot

No point removing those tiny capacitor on back of SOC unless and otherwise its liquid spilled/RTC shorted issue.
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 05-11-2022, 10:48 PM
Replies: 10
Views: 515
Posted By mcplslg123
Re: Dell e6440 no display and shut down

The measurements seems all good-so difficult to guess what's wrong. Check carefully for corrosion under microscope.
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 05-11-2022, 10:41 PM
Replies: 3
Views: 175
Posted By mcplslg123
Re: ACER E5-411 Power Issue

Why you are playing with voltage injection without proper diagnosis?? You may simply kill the soc. Since you dont have voltage on ram, why not probe the ram ic first. Just do basic things to start...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 05-10-2022, 08:31 AM
Replies: 16
Views: 693
Posted By mcplslg123
Re: HP Pavilion 15-p294nf no power MB DAY11AMB6E0 REV E

With 858D, heat should be 430-435 and air presuure at 4 atleast. To remove caps i usually use my soldering iron.
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 05-10-2022, 08:26 AM
Replies: 4
Views: 492
Posted By mcplslg123
Re: Sony MBX-223 ,M971 , Shutdown after 40 seconds

@guruji, your case differs with op's case as he gets all voltages, mb boots and then shutsdown in 40 secs.

If you cut the power to memory, cpu core/gfx core wont rise. So it means you either have...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 05-10-2022, 08:09 AM
Replies: 10
Views: 515
Posted By mcplslg123
Re: Dell e6440 no display and shut down

What is the part number of original bios chip?? Is the new chip listed in bios support??
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 05-10-2022, 07:42 AM
Replies: 18
Views: 332
Posted By mcplslg123
Re: X556UJ-XO114T with i5 6200U & Nvidia 920M ?

Test them in ohms mode and post the values. They are expected to show very low values. What is the resistance on pin8 of bios chip??
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 05-04-2022, 10:43 PM
Replies: 16
Views: 693
Posted By mcplslg123
Re: HP Pavilion 15-p294nf no power MB DAY11AMB6E0 REV E

Always use good quality flux and atleast a resonable hot air gun(not hair dryer) to desolder any smd component. We all faced that kind of scenario in beginning of our carrier. I perfected the skills...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 05-04-2022, 10:32 PM
Replies: 16
Views: 467
Posted By mcplslg123
Re: dell inspiron N5050 3v,5v alw no present

Sorry, i asked to measure at wrong place. Measure voltage on Q2703/Q2706
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 05-01-2022, 11:27 PM
Replies: 16
Views: 467
Posted By mcplslg123
Re: dell inspiron N5050 3v,5v alw no present

Q2705 is there on mb?? If yes, voltage on all pins.
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 05-01-2022, 11:08 PM
Replies: 6
Views: 350
Posted By mcplslg123
Re: Dell 7391 2 in 1 i5 10th gen

Pin26 needs to be 3.3V.
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 04-29-2022, 11:16 PM
Replies: 1
Views: 110
Posted By mcplslg123
Re: LA-H131P ideapad s340 no power

Where is the doubt?? You youself has diagnosed it correctly and its time to remove the KBC and see if the short is gone. KB9022 Needs to be programmed once replacement is soldered.However, i've seen...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 04-29-2022, 11:07 PM
Replies: 16
Views: 467
Posted By mcplslg123
Re: dell inspiron N5050 3v,5v alw no present

Q2704-Voltage on all pins(located near SIO)?? Most probably its bad. Its a P channel mosfet.
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 04-29-2022, 10:55 PM
Replies: 5
Views: 216
Posted By mcplslg123
Re: Missing RSMRST# on hp JAL50-LA-4101P

Have you checked the basic requirement of SIO??
Showing results 1 to 25 of 500

 
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