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Search: Posts Made By: kalemaroni
Forum: General Electronics Technical Discussion 05-26-2022, 07:52 AM
Replies: 10
Views: 403
Posted By kalemaroni
Re: Component identification

Thanks for your responses.
Forum: General Electronics Technical Discussion 05-26-2022, 07:51 AM
Replies: 10
Views: 403
Posted By kalemaroni
Re: Component identification

Thanks Per - is this one "safe"?
Forum: General Electronics Technical Discussion 05-25-2022, 09:28 AM
Replies: 10
Views: 403
Posted By kalemaroni
Component identification

What is this cracked component please? Thanks in advance.

https://i.ibb.co/xqdcSwY/cap.jpg (https://ibb.co/MkQjDKf)
Forum: Troubleshooting Audio Equipment 03-12-2022, 08:54 AM
Replies: 3
Views: 420
Posted By kalemaroni
SONOS Play 1 no power burnt out component

I need to replace this burnt out component but don't know what it is. Can anyone help identify it please? It's on the underside of the board.

2 pictures, one full board, one closeup:
...
Forum: Troubleshooting TVs and Video Sources 01-19-2022, 10:56 AM
Replies: 3
Views: 310
Posted By kalemaroni
Re: Brand Interchangeable mainboards?

That's great information, thank you so much lotas and cheeky2!
Forum: Troubleshooting TVs and Video Sources 01-19-2022, 07:58 AM
Replies: 3
Views: 310
Posted By kalemaroni
Brand Interchangeable mainboards?

I have a Luxor TV with white screen and searched eBay for the mainboard model number and bought it. The white screen persists so I ordered another board in case the first was bad. Same problem.

I...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 11-27-2021, 06:59 AM
Replies: 2
Views: 265
Posted By kalemaroni
Lenovo Yoga 3-1470 80JH Keyboard issue

Customer dropped their laptop and I replaced the screen. They came back with it a few days later saying the keyboard wasn't working properly.

When typing slowly it's fine but if you type fast it...
Forum: General Computer & Tech Discussion 10-05-2021, 11:38 AM
Replies: 0
Views: 437
Posted By kalemaroni
KB9028Q compatible with KB9022Q?

Can I use KB9028Q in place of KB9022Q?
Forum: Schematic Requests ONLY! 03-12-2021, 04:34 AM
Replies: 2
Views: 1,077
Posted By kalemaroni
Asus GL703GS Rev 1.4 Schematic or similar needed

Does anyone have the schematic for Asus GL703GS Rev 1.4 Schematic or a similar board schematic?
Forum: Troubleshooting Printers, Copiers, Scanners and other Imaging & Printing Devices 03-03-2021, 06:38 AM
Replies: 6
Views: 2,014
Posted By kalemaroni
Re: Identify Diode Canon EOS M50

Thanks Kg74. R050 DZ8N reads 3.7 ohms
Forum: Troubleshooting Printers, Copiers, Scanners and other Imaging & Printing Devices 03-01-2021, 11:29 AM
Replies: 6
Views: 2,014
Posted By kalemaroni
Identify Diode Canon EOS M50

This picture is of a Canon EOS M50 camera logic board which isn't powering on.

It gets 5v from the micro USB charger but no voltage after the diode or any nearby components.

The battery...
Forum: General Capacitor Questions & Issues 10-26-2020, 05:57 AM
Replies: 1
Views: 884
Posted By kalemaroni
Identify Capacitor

Please could you help me identify this capacitor? The big one with starting with 26.

https://ibb.co/sRRxCSm
https://ibb.co/sRRxCSm
Forum: BIOS Requests ONLY! 09-19-2019, 07:24 AM
Replies: 32
Views: 4,664
Posted By kalemaroni
Re: lenovo thinkpad e570

I have this board with a bad IT8586E chip and apparently I need to program the new chip.

Is it the above attached BIOS that I need to program into it or is that for an 8 pin BIOS and I need to...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 09-16-2019, 03:25 PM
Replies: 2
Views: 738
Posted By kalemaroni
Re: Component ID

Thank you very much Piernov
Forum: Schematic Requests ONLY! 09-16-2019, 03:20 PM
Replies: 17
Views: 2,485
Posted By kalemaroni
Smile Re: Lenovo CE570 NM-A831 Rev 3.0

Thank you very much! :)
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 09-16-2019, 09:33 AM
Replies: 2
Views: 738
Posted By kalemaroni
Component ID

Anyone know what this component is from a Lenovo laptop? It was glowing hot. Possibly related to the charging chip because that was the only other component that had some heat on the board.
...
Forum: Schematic Requests ONLY! 09-16-2019, 09:24 AM
Replies: 17
Views: 2,485
Posted By kalemaroni
Lenovo CE570 NM-A831 Rev 3.0

Looking for schematic for Lenovo CE570 NM-A831 Rev 3.0
Forum: Troubleshooting Audio Equipment 09-09-2019, 08:35 AM
Replies: 2
Views: 1,445
Posted By kalemaroni
Re: CLP-50 Yamaha Clavinova keyboard

Thank you so much!!! I'm blind as a bat, can't believe I couldn't see it.
Forum: Troubleshooting Audio Equipment 09-09-2019, 03:21 AM
Replies: 2
Views: 1,445
Posted By kalemaroni
CLP-50 Yamaha Clavinova keyboard

A customer brought this in. I normally do a laptop/Macbook/iPhone logic board repairs but thought I'd give this a go.

There seems to be power going into all three circuit boards but nothing...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 04-22-2019, 04:11 AM
Replies: 8
Views: 4,952
Posted By kalemaroni
Re: Identify chips HP 15-da0503sa EPK50 LA-G073P

Ah I see, thanks very much - I never would've been able to work that out by looking at the schematics which clearly say 3v on that line. Very confusing! I realise I need to spend some time reading...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 04-21-2019, 11:37 AM
Replies: 8
Views: 4,952
Posted By kalemaroni
Re: Identify chips HP 15-da0503sa EPK50 LA-G073P

Thanks Piernov,

Customer took the laptop back for a while but it's back in my hands again and indeed there is something up with those chips - both the 3v and the 5v are showing 6.8v and 7v...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 04-01-2019, 08:01 AM
Replies: 20
Views: 2,613
Posted By kalemaroni
Re: Acer not working off battery

Which one is the charging switch pin and how do you trigger it?
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 04-01-2019, 05:33 AM
Replies: 20
Views: 2,613
Posted By kalemaroni
Re: Acer not working off battery

I tried the battery charging with PSU trick but it didn't draw any amps. I guess I need to figure out why I'm only getting 2.7v from the charger regardless. Any ideas?
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 03-31-2019, 06:20 PM
Replies: 20
Views: 2,613
Posted By kalemaroni
Re: Acer not working off battery

Any idea what that switch looks like/where it is/what it's called on the schematic?
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 03-31-2019, 06:18 PM
Replies: 20
Views: 2,613
Posted By kalemaroni
Re: Acer not working off battery

PLED1 is blue when just the charger is plugged in. Both PLED1 and PLED2 are blue when the battery and charger is plugged in. I did at one time see PLED2 flash red a couple of times after plugging in...
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