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Search: Posts Made By: dicky96
Forum: Troubleshooting Audio Equipment 05-05-2022, 03:28 AM
Replies: 6
Views: 253
Posted By dicky96
Forum: Troubleshooting Audio Equipment 05-04-2022, 04:27 AM
Replies: 6
Views: 253
Posted By dicky96
Forum: Troubleshooting Audio Equipment 05-04-2022, 04:20 AM
Replies: 6
Views: 253
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: 250
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: 146
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: 146
Posted By dicky96
Forum: BIOS Requests ONLY! 03-14-2022, 09:39 AM
Replies: 5
Views: 146
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: 599
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...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 02-23-2022, 04:24 PM
Replies: 8
Views: 599
Posted By dicky96
Re: TL866A - need to program 25Q21BT but device not on list

OK I'll give that a go tomorrow

Thanks
Forum: Equipment Usage, Soldering, Techniques, and Reviews 02-23-2022, 12:58 PM
Replies: 8
Views: 599
Posted By dicky96
Re: TL866A - need to program 25Q21BT but device not on list

Hmmm no replies, but I did a google for 'CH341A supported eprom list' as I also have one of these programmers arriving soon, and the 25Q21 doesn't seem to be supported by that programmer either

I...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 02-23-2022, 09:32 AM
Replies: 8
Views: 599
Posted By dicky96
TL866A - need to program 25Q21BT but device not on list

Hi guys
This is the first time my TL866CS let me down (other than 1.8V eproms for which I ordered CH341 but it did not arrive yet)

I want to program a 25Q21BT Eprom but it is not found on the...
Forum: Troubleshooting Audio Equipment 02-22-2022, 10:38 AM
Replies: 4
Views: 326
Posted By dicky96
Re: Denon AVR-X500 No audio output

I messed about with the options to hold down various buttons and press power - and after trying a few combinations it started to work

But I have no idea exactly which combo fixed it but I think it...
Forum: Troubleshooting Audio Equipment 02-22-2022, 10:11 AM
Replies: 4
Views: 326
Posted By dicky96
Re: Denon AVR-X500 No audio output

No output on the HDMI - unless I need to somehow activate it
Forum: Troubleshooting Audio Equipment 02-22-2022, 08:36 AM
Replies: 4
Views: 326
Posted By dicky96
Denon AVR-X500 No audio output

Hi guys, I have this AVR-X500. It has no audio output but if I select some input (DVD) and connect an audio signal to the RCA DVD inputs, I hear a relay click and sometimes there is a slight...
Forum: BIOS & Schematic Requests! 02-22-2022, 04:28 AM
Replies: 1
Views: 540
Posted By dicky96
Acer Packard Bell oneTwo S3230 AAXSKB-VA Schemaric required

Hi guys
Does anyone have a schematic or boardview for this all-in-one computer

The motherboard is AAXSKB-VA or it could be AAXSK8-AV it is a bit hard to tell with the font used.

best regards...
Forum: General Electronics Technical Discussion 02-15-2022, 05:06 PM
Replies: 55
Views: 5,364
Posted By dicky96
Re: Reballing discussion and tips

Why do you have all that tin foil on the board? When I use my BGA rework station it never desolders (as in moves) anything nearby, it just removes the intended part, and I don't put anything on...
Forum: General Electronics Technical Discussion 02-15-2022, 09:36 AM
Replies: 3
Views: 368
Posted By dicky96
Re: SMD code ADSH & F1FD sot23-5 identify?

That makes sense, The other probably is an equivalent type thing

Thanks
Forum: General Electronics Technical Discussion 02-15-2022, 07:23 AM
Replies: 3
Views: 368
Posted By dicky96
SMD code ADSH & F1FD sot23-5 identify?

Hi guys
These devices are in some MAG250 IPTV boxes near the power input

I have several faulty ones but they are not all identical

On several I have an SOT23-5 device marked ADSH. Working...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 02-04-2022, 06:04 AM
Replies: 13
Views: 1,024
Posted By dicky96
Re: CH341 Programmer - any good for 1.8V?

Actually no I didn't - this is the actual kit I ordered

https://www.aliexpress.com/item/1005003055573566.html?spm=a2g0o.9042311.0.0.5e6f4c4dHTiL4B

It was cheap, and because I am in the Canary...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 02-01-2022, 04:05 AM
Replies: 13
Views: 1,024
Posted By dicky96
Re: CH341 Programmer - any good for 1.8V?

OK I ordered one, with the 1.8V adapter

What 'alternative software' should I use?
Forum: General Electronics Technical Discussion 01-31-2022, 04:30 PM
Replies: 4
Views: 327
Posted By dicky96
Re: I need to block a UHF channel but not sure how to do it

@stj
What you say does not make a whole lot of sense because:

The Spanish channels are terrestrial (yes could also be received on satellite at 19E or 30W but would then require even more DVB-S ->...
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 01-31-2022, 09:52 AM
Replies: 3
Views: 373
Posted By dicky96
Re: RTX 3080 Ventus 10GB OC - powers on for 10 secs then off again

Thanks
According to the power sequence chart I have, there is another rail between 1.8V and PEX but I can't quite make out what it is (see attached)

I have the board view for this GPU as well so...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 01-31-2022, 09:47 AM
Replies: 13
Views: 1,024
Posted By dicky96
Re: CH341 Programmer - any good for 1.8V?

Strange that the Aliexpress seller bundles the 1.8V adapter with the TL866-II (unless that is not the same as II+)

Really the crux of the question for me is would I be sacrificing any...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 01-31-2022, 06:42 AM
Replies: 3
Views: 585
Posted By dicky96
Re: Decent budget friendly Hot Tweezers ?

For budget friendly, Use your Quick 236 soldering iron in one hand and a cheap soldering iron in the other hand

For a 'cheap' soldering iron get a T12 soldering station - you won't regret it
Forum: Equipment Usage, Soldering, Techniques, and Reviews 01-31-2022, 06:14 AM
Replies: 13
Views: 1,024
Posted By dicky96
CH341 Programmer - any good for 1.8V?

Hi guys
I have a TL866 CS Eprom programmer and up until now it did everything I needed to do

However for the first time I have come across a 1.8V Eprom and my programmer will not do 1.8V

I...
Showing results 1 to 25 of 500

 
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