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Search: Posts Made By: tibimakai
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 08-09-2020, 02:38 AM
Replies: 126
Views: 5,302
Posted By tibimakai
Re: Asus Q502L does not boot up properly

I have even replaced the hdd daughter board, so it is hard to believe that the connector is causing these issues.
I will check the connector, just in case.
It recognizes a USB stick. Starts...
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 08-06-2020, 12:07 AM
Replies: 126
Views: 5,302
Posted By tibimakai
Re: Asus Q502L does not boot up properly

It stopped recognizing any HDDs.
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 08-05-2020, 09:09 PM
Replies: 126
Views: 5,302
Posted By tibimakai
Re: Asus Q502L does not boot up properly

If I plug in a 2.5" HDD it shows the Sata port 0 as Empty.
If I plug in an msata SSD, it shows Sata port 2 as Empty.
If I don't plug in any HDD, shows all Sata ports Sata 0, #1, #2, #3, #4
They...
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 08-04-2020, 09:00 AM
Replies: 126
Views: 5,302
Posted By tibimakai
Re: Asus Q502L does not boot up properly

Nobody has encountered a disappearing HD situation, what could be?
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 07-18-2020, 09:42 PM
Replies: 126
Views: 5,302
Posted By tibimakai
Re: Asus Q502L does not boot up properly

Still not done with this laptop. I have purchased a used board from the bay, installed a brand new Samsung ssd, installed Windows 10 and all seemed fine for a few days. I have put it away for a few...
Forum: Troubleshooting Audio Equipment 06-25-2020, 09:04 AM
Replies: 5
Views: 372
Posted By tibimakai
Re: Yamaha RX-V373 automatic shutdown after 5 seconds

Usually, I just go to the final transistors and measure for short.
Forum: Troubleshooting Audio Equipment 06-22-2020, 02:50 PM
Replies: 48
Views: 10,300
Posted By tibimakai
Forum: Troubleshooting Audio Equipment 06-09-2020, 11:41 AM
Replies: 48
Views: 10,300
Posted By tibimakai
Re: Pioneer VSX-1122K won't turn on

Thanks Mike, I'm aware of that procedure(laptop repair, right?).
This one is long gone.
I have an 820, which is completely dead, only if I rest it, with the Adv. surr.and Power on turns on for a...
Forum: Troubleshooting Audio Equipment 05-29-2020, 08:58 AM
Replies: 48
Views: 10,300
Posted By tibimakai
Re: Pioneer VSX-1122K won't turn on

I have found another receiver on CL, that had a blown amp and swapped the HDMI boards with that. I was only $40.
Forum: Troubleshooting TVs and Video Sources 05-24-2020, 05:33 PM
Replies: 17
Views: 2,412
Posted By tibimakai
Re: Samsung UN40C6300 clicking fast

I don't know, if I should mess with a board that most likely I will return.
I'm seriously considering, re-soldering the fallen bga on my own board.
Forum: Troubleshooting TVs and Video Sources 05-24-2020, 01:21 PM
Replies: 17
Views: 2,412
Posted By tibimakai
Re: Samsung UN40C6300 clicking fast

If I would measure all the voltages, at the connector between the PS and mainboard, and they are all there, that would suggest that the PS is OK, right?
The backlight turns on, if I force it to turn...
Forum: Troubleshooting TVs and Video Sources 05-23-2020, 09:43 PM
Replies: 17
Views: 2,412
Posted By tibimakai
Re: Samsung UN40C6300 clicking fast

Anybody? I need to answer to the Ebay seller and I'm not sure what to say.
Forum: Troubleshooting TVs and Video Sources 05-22-2020, 08:00 PM
Replies: 17
Views: 2,412
Posted By tibimakai
Re: Samsung UN40C6300 clicking fast

I'm reviving this very old thread, because I have found a cheap board for it.
It turns out that the "new" board clicks as well, but slowly.
I have forced the TV to turn on with two resistors and...
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 05-04-2020, 11:42 PM
Replies: 33
Views: 1,366
Posted By tibimakai
Re: Toshiba L55-B5276 turns on, but screen is dead

Ok, something got messed up, around the 1.35V and 1.05V coils just came out a smoke. It had a very bad smell.The memory stick got warm. I can't explain it what happened.
I did not see signal with...
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 05-04-2020, 01:33 PM
Replies: 33
Views: 1,366
Posted By tibimakai
Re: Toshiba L55-B5276 turns on, but screen is dead

Unfortunately, there are no schematics for this board.
I will look at it and, if I can't find it, I will make some pictures.
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 05-04-2020, 11:11 AM
Replies: 33
Views: 1,366
Posted By tibimakai
Re: Toshiba L55-B5276 turns on, but screen is dead

Where is this LPC bus port, on a laptop board?
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 05-04-2020, 09:10 AM
Replies: 33
Views: 1,366
Posted By tibimakai
Re: Toshiba L55-B5276 turns on, but screen is dead

I know now what is a post card, I have one for desktop PCs, but that most likely won't work here.
It matters at which pin I check the signal, pin #2 or #5, at the BIOS chip?
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 05-03-2020, 06:55 PM
Replies: 33
Views: 1,366
Posted By tibimakai
Re: Toshiba L55-B5276 turns on, but screen is dead

I don't have a POST card(don't even know what that is), but I have a scope(Rigol).
BIOS IC at pin #1 has 3.3V.
Since I don't have a schematic for the EC, I don't know which pin should have the...
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 05-03-2020, 06:11 PM
Replies: 33
Views: 1,366
Posted By tibimakai
Re: Toshiba L55-B5276 turns on, but screen is dead

I can't find a datasheet, for Nuvoton NPCE985LA0DX.
This EC has a software in it, or it can be just purchased and replaced?
BIOS IC is a 25B64BSIG. I have to check the signal, at SI pin(Data input)...
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 05-01-2020, 10:13 AM
Replies: 33
Views: 1,366
Posted By tibimakai
Re: Toshiba L55-B5276 turns on, but screen is dead

Most likely you are right, I don't have the board in front of me.
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 05-01-2020, 09:11 AM
Replies: 33
Views: 1,366
Posted By tibimakai
Re: Toshiba L55-B5276 turns on, but screen is dead

Bulgaria, hmm? Originally I'm from Romania.
I know that I have a Novatech EC.
I will check these, most likely tomorrow.
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 05-01-2020, 09:06 AM
Replies: 33
Views: 1,366
Posted By tibimakai
Re: Toshiba L55-B5276 turns on, but screen is dead

I'm a beginner in laptop repair, usually I repair home theater receivers, TVs in the past.
The BIOS has 3.3V at pin #1.
I will have to check the EC as well, but I believe that I have there as...
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 04-30-2020, 10:40 PM
Replies: 33
Views: 1,366
Posted By tibimakai
Re: Toshiba L55-B5276 turns on, but screen is dead

I have purchased a battery, just in case the it may be needed to boot.
It charges alright(15.2V), power led is on, fan cycles on and off as it should, I have tried two other memories and it still...
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 04-24-2020, 08:40 AM
Replies: 33
Views: 1,366
Posted By tibimakai
Re: Toshiba L55-B5276 turns on, but screen is dead

There is no fix for these Toshiba boards, since there is no schematic for them?
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 04-22-2020, 10:15 AM
Replies: 33
Views: 1,366
Posted By tibimakai
Re: Toshiba L55-B5276 turns on, but screen is dead

Thanks for that. That is what I thought myself as well.
By changing the IC with the new 2.0 BIOS nothing has changed.
What do you think that I should do next?
This mobo, does not have a BIOS...
Showing results 1 to 25 of 500

 
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