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Search: Posts Made By: ligym60
Forum: Troubleshooting & Designing Networks 06-05-2021, 06:13 AM
Replies: 2
Views: 1,005
Posted By ligym60
Re: Good morning everyone in need to locate a tps65094 replacement

No worries
Found a supplier that will send me 2 of these
Thanks everyone
Forum: Troubleshooting & Designing Networks 06-05-2021, 05:23 AM
Replies: 2
Views: 1,005
Posted By ligym60
Re: Good morning everyone in need to locate a tps65094 replacement

Here is a edited version of data sheet with highlighted faults if it helps anyone
Forum: Troubleshooting & Designing Networks 06-05-2021, 04:41 AM
Replies: 2
Views: 1,005
Posted By ligym60
Synology DS418play need to locate a tps65094 replacement

Hi I recieved a synology disk station yesterday with a no power fault. Witty shorts on multiple power rails. After dividing the power rails. Iíve narrowed it down to this tps65094 chip having dead...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 03-31-2021, 07:01 AM
Replies: 0
Views: 314
Posted By ligym60
Replacement inductor L7710 for 820-4924

Hi I’ve searched digikey and mouser and haven’t found a direct replacement. All the donors i have (which are just 3)oddly have the same inductor damaged although the inductor works it’s just a eye...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 02-27-2021, 05:03 PM
Replies: 4
Views: 510
Posted By ligym60
Re: 820-4924 no chime

I just wanna fix the fan and audio circuit as it was also water damaged

My last question is on pp3v3S5_LL I have a weird overshot when testing with oscilloscope I Like a mosfet q7560 issue Iíve...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 02-27-2021, 11:58 AM
Replies: 4
Views: 510
Posted By ligym60
Re: 820-4924 no chime

First I’d like to make sure I indeed do have cpu fan activity. It’s unclear to me at this point if it is.
I just verified that It does boot :)
Second would be chime which also could be just audio...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 02-27-2021, 10:04 AM
Replies: 4
Views: 510
Posted By ligym60
820-4924 no chime

Hi I wanna start by saying this board was heavily damaged. when i got it it was completely dead. What's been replaced so far that had corrosion. u1900, u8030, u7400, q7320, q7321, q7310, q7311 and a...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 01-16-2021, 08:10 AM
Replies: 12
Views: 1,271
Posted By ligym60
Re: 820-00165 "No Camera detected"

It's Fixed resolved clk issue. reflow and its done.
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 01-15-2021, 05:28 PM
Replies: 12
Views: 1,271
Posted By ligym60
Re: 820-00165 "No Camera detected"

@piernov Hi I rechecked the power rails and it seems that all are up and running. I still question the clk as it is unstable sometimes reading good other times not. I have a few u1900 chips i was...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 01-13-2021, 08:16 PM
Replies: 12
Views: 1,271
Posted By ligym60
Re: 820-00165 "No Camera detected"

hello everyone I'm sorry for the slow response I've been working on other things:
I retested these signals today

PP0V675_MEM_CAM_VREFCA=.675V
PP0V675_CAM_VREF=.0V
PP1V8_CAM= 1.79V
PP1V2_CAM=...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 01-06-2021, 06:07 PM
Replies: 12
Views: 1,271
Posted By ligym60
Re: 820-00165 "No Camera detected"

No, I didn't see the multi media controller " Broadcom" only network controller with lspci it didn't show
I inspected u3900 under a microscope again but its very tight with the board. These chips I...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 01-05-2021, 06:06 PM
Replies: 12
Views: 1,271
Posted By ligym60
Re: 820-00165 "No Camera detected"

Hey @piernov I didnt see any errors in verbose. I tried $lspci and $lsmod to see if i can find the camera listed but I found none.
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 01-02-2021, 04:53 PM
Replies: 12
Views: 1,271
Posted By ligym60
Re: 820-00165 "No Camera detected"

Thank you will give it a go under linux
Forum: BIOS Requests ONLY! 01-02-2021, 10:29 AM
Replies: 110
Views: 38,382
Posted By ligym60
Re: ME Firmware Cleaning Guide

Thanks for clarifying that :)
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 01-02-2021, 10:23 AM
Replies: 12
Views: 1,271
Posted By ligym60
820-00165 "No Camera detected"

Hi I have a 2- 820-00165 with the same issue No camera detected

History: Both had water damage around SMC. both when i got them had no green light. repaired a few blown resistors and traces....
Forum: BIOS Requests ONLY! 01-01-2021, 01:59 PM
Replies: 110
Views: 38,382
Posted By ligym60
Re: ME Firmware Cleaning Guide

one last question is it nessary to pram when cleaning ME region?
Forum: BIOS Requests ONLY! 01-01-2021, 11:47 AM
Replies: 110
Views: 38,382
Posted By ligym60
Re: ME Firmware Cleaning Guide

Thank you very much it was a quick fix because of your help :)
Forum: BIOS Requests ONLY! 12-31-2020, 05:17 PM
Replies: 110
Views: 38,382
Posted By ligym60
Re: ME Firmware Cleaning Guide

Hi, im trying to clean a ME region on a mba 7.1 im using this file MB71_003F_00B.scap
with uefitool ne alpha 58. I can't seem to find the ME region raw section.
Forum: Equipment Usage, Soldering, Techniques, and Reviews 01-19-2020, 07:00 PM
Replies: 3
Views: 1,379
Posted By ligym60
Re: Goot station upgrade to micro tweezer thoughts

It’s more like $160 with the tips but the great thing about this unit is each tip is a heating unit. And one of my tips is at least 6 years old and still working like new.
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 01-18-2020, 08:36 AM
Replies: 9
Views: 1,140
Posted By ligym60
Re: MacBook Pro 820-2915 no backlight

Well the WiFi issue was the cable 821-1311a one of the pins damaged. And the keyboard I saw it when I first opened it has a hole so I think someone burned the keyboard even though backlight still...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 01-17-2020, 06:06 PM
Replies: 2
Views: 631
Posted By ligym60
Re: 820-2915 AHT download

I’ve found it advanced reworks made a copy available online . Thanks
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 01-17-2020, 07:36 AM
Replies: 9
Views: 1,140
Posted By ligym60
Re: MacBook Pro 820-2915 no backlight

Ok I’ll keep looking
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 01-17-2020, 06:55 AM
Replies: 2
Views: 631
Posted By ligym60
820-2915 AHT download

Does anyone have AHT for this board ? I canít seem to find
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 01-17-2020, 06:27 AM
Replies: 9
Views: 1,140
Posted By ligym60
Re: MacBook Pro 820-2915 no backlight

So I’m looking for AHT download
http://download.info.apple.com/Apple_Hardware_Test/ This link doesn’t get me to download
Does anyone have a copy ?
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 01-17-2020, 05:54 AM
Replies: 9
Views: 1,140
Posted By ligym60
Re: MacBook Pro 820-2915 no backlight

Ok so the backlight is working know. But I think I have a sensor issue :( track pad works with clicking but no swipe keyboard works if you press same key several times WiFi not working at all any...
Showing results 1 to 25 of 37

 
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