Forum: BIOS Requests ONLY!
08-03-2022, 03:48 PM
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Replies: 154
Views: 18,515
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Forum: Equipment Usage, Soldering, Techniques, and Reviews
08-03-2022, 03:46 PM
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Replies: 4
Views: 120
Re: 25B127DSIG programming with TL866CS?
A pirate walks into a bar and orders beer. He has a parrot on his shoulder
The parrot says
pieces of eight pieces of eight pieces of eight pieces of nine pieces of eight...
A guy next to him...
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Forum: Equipment Usage, Soldering, Techniques, and Reviews
08-03-2022, 03:54 AM
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Replies: 4
Views: 120
Re: 25B127DSIG programming with TL866CS?
Hi stj
No mate it is 25B127DSIG (see pic)
It's from a Lenovo S145 laptop
According to the schematic the chip should be W25Q128JVSIQ. This is not on the list of supported IC either so I used...
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Forum: BIOS Requests ONLY!
08-03-2022, 03:46 AM
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Replies: 154
Views: 18,515
Re: lenovo IdeaPad S145 bios needed
Hi guys
I have the same problem as many of you - flashing white power LED, black screen and no Vddgt power rail
I have attached my eprom dump. On my PCB the eprom is actually a 25B127DSIG. My...
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Forum: Equipment Usage, Soldering, Techniques, and Reviews
08-02-2022, 09:06 AM
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Replies: 4
Views: 120
25B127DSIG programming with TL866CS?
Hi guys
My TL866CS doesn't have this eprom in the list of devices (Minipro v6.85) 25B127DSIG
Possibly because I have an old version of the software? I tend to stick with something until it let's...
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Forum: Troubleshooting Laptops, Tablets, and Mobile Devices
08-02-2022, 07:54 AM
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Replies: 1
Views: 102
Re: Where to learn how to repair laptops
This forum is a good place to start ;)
I made some videos on laptop repairs on YouTube you might enjoy
https://www.youtube.com/channel/UCFX1Z9N6aPWuCN_KR8UZ2vg
Also I can recommend Sorin's...
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Forum: Troubleshooting Audio Equipment
07-20-2022, 03:19 PM
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Replies: 1
Views: 131
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Forum: Troubleshooting Audio Equipment
07-13-2022, 05:25 AM
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Replies: 1
Views: 131
American Audio VLP1500 Distorting on one channel
Hi guys I have a VLP1500 amplifier here - one channels works fine and the other channel distorts even at low volume settings
Protection and Clip LED are off
There is something wrong with the...
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Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals
06-13-2022, 04:26 AM
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Replies: 2
Views: 240
How to program IR3567B and similar?
Hi guys
Does anyone know anything about programming these multiphase VRM controllers? IR3567B
I have a couple of graphics cards here (RX 480) that seem to have faulty chips but I was told that...
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Forum: BIOS Requests ONLY!
06-13-2022, 04:14 AM
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Replies: 7
Views: 343
Re: Medion E2215T BIOS Password problem
I desoldered the BIOS chip and read the contents (before seeing the suggested password form SMDFlea) :facepalm:
Seeing as I already removed it, here is the original file (attached)
Does someone...
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Forum: Troubleshooting Audio Equipment
06-13-2022, 03:51 AM
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Replies: 12
Views: 587
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Forum: Troubleshooting Audio Equipment
06-01-2022, 03:18 PM
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Replies: 12
Views: 587
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Forum: Troubleshooting Audio Equipment
05-23-2022, 04:53 AM
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Replies: 12
Views: 587
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Forum: Troubleshooting Audio Equipment
05-22-2022, 04:36 AM
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Replies: 12
Views: 587
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Forum: Troubleshooting Audio Equipment
05-05-2022, 03:28 AM
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Replies: 6
Views: 537
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Forum: Troubleshooting Audio Equipment
05-04-2022, 04:27 AM
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Replies: 6
Views: 537
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Forum: Troubleshooting Audio Equipment
05-04-2022, 04:20 AM
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Replies: 6
Views: 537
What 'class' is this Hill Audio DX3000 Amplifier?
Hi guys, this is general query really
So I have a Hill DX3000 3KW audio amplifier here.
It has a topology/design like a class A/B but all the banks of output transistors (10 transistors in each...
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Forum: General Electronics Technical Discussion
03-25-2022, 08:13 AM
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Replies: 1
Views: 375
MPS NB691GG-Z pinout or datasheet?
Hi guys does anyone have an info on this part? It's a buck controller
NB691GG-Z
I tried looking for a datasheet but to no avail
Thanks
Rich
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Forum: BIOS Requests ONLY!
03-15-2022, 05:30 AM
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Replies: 5
Views: 195
Re: Lenovo Ideapad 305 Bios required
Thanks for the BIOS file, unfortunately it made no difference - the laptop still has the same symptoms. The battery charges OK, when I press the start button it goes green, I hear the fan and HDD...
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Forum: BIOS Requests ONLY!
03-14-2022, 10:48 AM
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Replies: 5
Views: 195
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Forum: BIOS Requests ONLY!
03-14-2022, 09:39 AM
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Replies: 5
Views: 195
Lenovo Ideapad 305-15IBD Bios required
Hi Guys
I have a Lenovo Ideapad 305 laptop here
Long story short - it was brought to me by another alleged repair company. It would not switch on but it would charge the baterry - I fixed this...
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