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Search: Posts Made By: dicky96
Forum: BIOS Requests ONLY! 08-03-2022, 03:48 PM
Replies: 174
Views: 21,707
Posted By dicky96
Re: lenovo IdeaPad S145 bios needed

Fixed, thank you SMDFlea :d
Forum: Equipment Usage, Soldering, Techniques, and Reviews 08-03-2022, 03:46 PM
Replies: 4
Views: 294
Posted By dicky96
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...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 08-03-2022, 03:54 AM
Replies: 4
Views: 294
Posted By dicky96
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...
Forum: BIOS Requests ONLY! 08-03-2022, 03:46 AM
Replies: 174
Views: 21,707
Posted By dicky96
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...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 08-02-2022, 09:06 AM
Replies: 4
Views: 294
Posted By dicky96
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...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 08-02-2022, 07:54 AM
Replies: 1
Views: 143
Posted By dicky96
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...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 07-23-2022, 04:17 AM
Replies: 7
Views: 293
Posted By dicky96
Re: Laptop Screen top part working bottom part all white

Due to some misadventure I no longer have the eprom chip and Aliexpress don't appear to have S24CS02A

Is there some equivalent I could use?
Forum: Troubleshooting Audio Equipment 07-20-2022, 03:19 PM
Replies: 1
Views: 208
Posted By dicky96
Re: American Audio VLP1500 Distorting on one channel

Not sure why no one could advise on this one as I gave a lot of info in detail but no worries I fixed it anyway

If anyone is interested in the cause of the fault here you go
...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 07-20-2022, 10:49 AM
Replies: 7
Views: 293
Posted By dicky96
Re: Laptop Screen top part working bottom part all white

@mon2
I can do that tomorrow. The bottom 3/4 or 2/3 are just plain white when viewed directly straight on and have some greyish lines in them when viewed at a wide angle. The top area looks...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 07-20-2022, 08:58 AM
Replies: 7
Views: 293
Posted By dicky96
Laptop Screen top part working bottom part all white

Hi guys, I have an old laptop here I'm just trying to fix for the fun of it really

The top part, maybe 25% or 33% of the screen display works, (DOS boot text or bios screen, I have no HDD fitted)...
Forum: Troubleshooting Audio Equipment 07-13-2022, 05:25 AM
Replies: 1
Views: 208
Posted By dicky96
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...
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 06-13-2022, 04:26 AM
Replies: 2
Views: 311
Posted By dicky96
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...
Forum: BIOS Requests ONLY! 06-13-2022, 04:14 AM
Replies: 7
Views: 404
Posted By dicky96
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...
Forum: Troubleshooting Audio Equipment 06-13-2022, 03:51 AM
Replies: 12
Views: 750
Posted By dicky96
Re: Dynacord PowerMate 600 Powered Mixer - Protect Light On

Yes that was the fix - blown track to -HT (65V)

@Petehall347 @CapLeaker - I did locate the actual blown track (showed it clearly on the video from 2:01:45) but it was running underneath a whole...
Forum: Troubleshooting Audio Equipment 06-01-2022, 03:18 PM
Replies: 12
Views: 750
Posted By dicky96
Re: Dynacord PowerMate 600 Powered Mixer - Protect Light On

Thanks for the info check12

I did eventually fix it (without schematics) - the problem was not quite what you suggest, but it was rather interesting

I made a video of the repair, it's rather...
Forum: Troubleshooting Audio Equipment 05-23-2022, 04:53 AM
Replies: 12
Views: 750
Posted By dicky96
Re: Dynacord PowerMate 600 Powered Mixer - Protect Light On

I found a faulty MPSA92 transistor nearby that reads a low resistance C --> B
probably that was the cause of the problem but I need to order some
Forum: Troubleshooting Audio Equipment 05-22-2022, 04:36 AM
Replies: 12
Views: 750
Posted By dicky96
Dynacord PowerMate 600 Powered Mixer - Protect Light On

Hi guys
I'm trying to repair this powered mixer. Sorry this is a bit long but I want to give as much info as possible to help get an answer,


As soon as it powers on the protect light comes on. ...
Forum: Troubleshooting Audio Equipment 05-05-2022, 03:28 AM
Replies: 6
Views: 660
Posted By dicky96
Forum: Troubleshooting Audio Equipment 05-04-2022, 04:27 AM
Replies: 6
Views: 660
Posted By dicky96
Forum: Troubleshooting Audio Equipment 05-04-2022, 04:20 AM
Replies: 6
Views: 660
Posted By dicky96
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...
Forum: General Electronics Technical Discussion 03-25-2022, 08:13 AM
Replies: 1
Views: 444
Posted By dicky96
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
Forum: BIOS Requests ONLY! 03-15-2022, 05:30 AM
Replies: 5
Views: 227
Posted By dicky96
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...
Forum: BIOS Requests ONLY! 03-14-2022, 10:48 AM
Replies: 5
Views: 227
Posted By dicky96
Forum: BIOS Requests ONLY! 03-14-2022, 09:39 AM
Replies: 5
Views: 227
Posted By dicky96
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...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 02-24-2022, 07:25 AM
Replies: 8
Views: 1,042
Posted By dicky96
Re: TL866A - need to program 25Q21BT but device not on list

@megaraider
I do have that ID code 0xC84012, as I stated in the OP

The problem is that my programmer does not seem to list support for this IC, but the fact there are bios dumps on the internet...
Showing results 1 to 25 of 500

 
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