Badcaps.net Forum
Go Back   Badcaps Forums > Search Forums
Register FAQ Calendar Search Today's Posts Mark Forums Read

Showing results 1 to 25 of 132
Search took 0.01 seconds.
Search: Posts Made By: Duranitron
Forum: Troubleshooting Laptops, Portable, and Mobile Devices Yesterday, 02:39 AM
Replies: 23
Views: 368
Posted By Duranitron
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 12-11-2019, 06:01 AM
Replies: 23
Views: 368
Posted By Duranitron
Re: Lenovo g505 no power

so you already repaired it? is it a cold solder?
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 12-11-2019, 06:00 AM
Replies: 23
Views: 368
Posted By Duranitron
Re: Lenovo g505 no power

Im confused PF101 is a fuse its normally shorted.l
Forum: Schematic Requests ONLY! 11-11-2019, 07:43 AM
Replies: 24
Views: 2,006
Posted By Duranitron
Forum: Schematic Requests ONLY! 11-04-2019, 05:08 AM
Replies: 7
Views: 186
Posted By Duranitron
Re: Toshiba Satellite L655 6050A2332301-MB-A02 schematics needed

i only have the powersupply schematics of 6050A2332301-MB-A02 toshiba L650 and L655 i think are the same. just check it and compare the schematics.:):):):)
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 11-02-2019, 07:07 AM
Replies: 12
Views: 240
Posted By Duranitron
Re: Acer Aspire 6530G powers on for 7 seconds, then turns off and cycles.

try to use external monitor and disconnect the lvds to make sure the problem is not with the installed 15.6 screen. or the GPU is going bad. overheating gpu is an indication.
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 11-02-2019, 07:01 AM
Replies: 3
Views: 94
Posted By Duranitron
Re: Dell Inspiron 3521 want charge battery

try to scan the motherboard for burned open or shorted mosfets specially in the battery charging section or try to measure the voltages with and without the battery and post the voltage measured here...
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 10-25-2019, 12:37 AM
Replies: 2
Views: 86
Posted By Duranitron
Re: Aspire Es1-432 mosfet code near the processor

Thanks. i already have the schematics my question is the original component is 2N7002DW in the schematics with smd code of 702 but in the physical board the supposed to be smd 702 is replaced with...
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 10-24-2019, 07:18 PM
Replies: 2
Views: 86
Posted By Duranitron
Aspire Es1-432 mosfet code near the processor

Need help here! anybody knows the mosfet code for these parts. i cannot seem to understand it may be its a modified version or equivalent of 2N7002DW but with different pin configuration i attached...
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 10-23-2019, 06:41 AM
Replies: 75
Views: 2,655
Posted By Duranitron
Re: acer aspire ES1-432 white screen problem

i also have this problem with acer es1-432 the laptop works ok you can install only 64 bit windowa 10 , the problem is whenever the laptop goes to sleep mode you can never wake it up unless ofcourse...
Forum: BIOS Requests ONLY! 10-22-2019, 09:05 PM
Replies: 1
Views: 102
Posted By Duranitron
Re: bios password acer es1-432 bios

try to re flash it with original es1-432 bios try these https://www.badcaps.net/forum/showthread.php?t=60136&highlight=es1-432
Forum: BIOS Requests ONLY! 10-22-2019, 08:31 PM
Replies: 5
Views: 1,702
Posted By Duranitron
Forum: Schematic Requests ONLY! 10-20-2019, 09:58 PM
Replies: 12
Views: 620
Posted By Duranitron
Re: Schematic and Bios Acer Aspire ES1-432 - Quanta ZQF - DA0ZQFMB6F0

A million thanks to you my friend!:rock::rock::rock::rock:
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 10-17-2019, 01:25 AM
Replies: 3
Views: 125
Posted By Duranitron
Re: Constant White Display on laptop screen

check for voltages VGL and VGH. Check for shorts. Check for heating component, check also the lvds connectors for corrosion open circuit, fuse etc.. :)
Forum: Troubleshooting Power Supplies and Power Supply Design 10-15-2019, 06:45 PM
Replies: 25
Views: 2,040
Posted By Duranitron
Re: Dell model L275E-01 pn: Wu142. Optiplex 755 small form factor.

Gud day sir. may i ask if you have the schematics of L235 and L275e you can share it with us. thank you so much.:):):):)
Forum: Schematic Requests ONLY! 10-14-2019, 12:47 AM
Replies: 6
Views: 220
Posted By Duranitron
Re: Need help Schematics of Dell optiplex 755 powersupply L275E-01

thanks for the suggestion mate.. i already repaired the psu placing a thermistor SCK 054. 5 ohms cold 4 amps. and the opto isolator 817B. thanks very much!:rock::rock::rock::rock:
Forum: Troubleshooting Power Supplies and Power Supply Design 10-14-2019, 12:36 AM
Replies: 25
Views: 2,040
Posted By Duranitron
Re: Dell model L275E-01 pn: Wu142. Optiplex 755 small form factor.

thanks for the suggestion mates! i already repaired the psu by placing a thermistor sck054 and replacing the opto isolator 817B. now the psu is working perfectly and can be turn on and off. i think...
Forum: Troubleshooting Power Supplies and Power Supply Design 10-11-2019, 08:20 PM
Replies: 25
Views: 2,040
Posted By Duranitron
Re: Dell model L275E-01 pn: Wu142. Optiplex 755 small form factor.

the thermistor doesn't blow up it is working perfectly now with the thermistor i pulled from a lot of cheapos psu, the psu is working perfectly now all voltages in secondary are correct i already...
Forum: Troubleshooting Power Supplies and Power Supply Design 10-10-2019, 07:11 PM
Replies: 25
Views: 2,040
Posted By Duranitron
Re: Dell model L275E-01 pn: Wu142. Optiplex 755 small form factor.

the original problem of these psu, the capacitor exploded may be it shorted out, shorting out all the parts in the high voltage area.:)
Forum: Schematic Requests ONLY! 10-10-2019, 07:04 PM
Replies: 6
Views: 220
Posted By Duranitron
Re: Need help Schematics of Dell optiplex 755 powersupply L275E-01

:i already replaced the mosfet 20MN60 the 180uf 420vdc capacitor, 6.3 amps fuse, quad rectifier diode GBU810, i need to test it but these thermistor is the problem, so i put an ordinary thermistor...
Forum: Troubleshooting Power Supplies and Power Supply Design 10-10-2019, 06:56 PM
Replies: 25
Views: 2,040
Posted By Duranitron
Re: Dell model L275E-01 pn: Wu142. Optiplex 755 small form factor.

i already replaced the mosfet 20MN60 the 180uf 420vdc capacitor, 6.3 amps fuse, quad rectifier diode GBU810, i need to test it but these thermistor is the problem, so i put an ordinary thermistor...
Forum: Troubleshooting Power Supplies and Power Supply Design 10-10-2019, 06:47 PM
Replies: 25
Views: 2,040
Posted By Duranitron
Re: Dell model L275E-01 pn: Wu142. Optiplex 755 small form factor.

thanks for the reply sir. I think these thermistor has a high resistance than normal because these thing is in parallel with the relay switch that blue plastic box. I thinks it gives off small amount...
Forum: Schematic Requests ONLY! 10-10-2019, 06:38 PM
Replies: 6
Views: 220
Posted By Duranitron
Re: Need help Schematics of Dell optiplex 755 powersupply L275E-01

sorry but i don't agree with that. these thermistor is paralleled to the relay switch so putting a short circuit in a relay switch renders the relay switch useless. i thinks the value is somewhere...
Forum: Other Devices with Bad Capacitors 10-10-2019, 12:37 AM
Replies: 4
Views: 433
Posted By Duranitron
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 10-10-2019, 12:14 AM
Replies: 13
Views: 241
Posted By Duranitron
Re: Shorted on board cpu or not

Check the voltage of the processor 1vdc or 1.2vdc depending on the processor. if you thinks its a shorted processor the voltage will always be 0vdc. Voltage check it first. if you see all the voltage...
Showing results 1 to 25 of 132

 
Forum Jump


Badcaps.net Technical Forums 2003 - 2019
Powered by vBulletin ®
Copyright ©2000 - 2019, Jelsoft Enterprises Ltd.
All times are GMT -6. The time now is 11:56 AM.
Did you find this forum helpful?