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Search: Posts Made By: AJ847.63e
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 04-15-2022, 06:12 AM
Replies: 0
Views: 115
Posted By AJ847.63e
Aours Z390 Ultra - high fan speed cpu debug led no post codes

Hi all,

Just wanted to see if I can get some advice with my z390 Aorus ultra.

The board was working fine last I used it. We had a power outage due earlier this week so I unplugged the pc from...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 03-14-2022, 08:34 PM
Replies: 12
Views: 583
Posted By AJ847.63e
Re: A1708 820-00840 Missing PP1V1_UPC_XA

Thanks Piernov. Sure, once the tool arrives I’ll upload the FWs to this thread.
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 03-14-2022, 03:46 AM
Replies: 12
Views: 583
Posted By AJ847.63e
Re: A1708 820-00840 Missing PP1V1_UPC_XA

I ended up buying the BY-301 tool off phonefix and the RT801 off Ali will backup the existing chip once they arrive. Apparently the BY-301 has built in backups of all the ROM files for all the USB c...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 03-13-2022, 04:10 AM
Replies: 12
Views: 583
Posted By AJ847.63e
Re: A1708 820-00840 Missing PP1V1_UPC_XA

For programming chips, has anyone tried the chipsetpro device? I haven't purchased a USB programmer yet so I've been doing some googling to try see what models people recommend.
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 03-12-2022, 10:38 PM
Replies: 12
Views: 583
Posted By AJ847.63e
Re: A1708 820-00840 Missing PP1V1_UPC_XA

Well, that's a surprise. Normally Apple write protects the chips so there not flashable. After the board numbers they usually have a dash something do we know what that denotes? I'm assuming probably...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 03-11-2022, 06:32 AM
Replies: 12
Views: 583
Posted By AJ847.63e
Re: A1708 820-00840 Missing PP1V1_UPC_XA

Should also mention both CD fuses have been checked and both have 5.12v when their respective USB port is connected.

Just checked the voltages on the no stuff caps as well as I noticed in the post...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 03-11-2022, 06:21 AM
Replies: 12
Views: 583
Posted By AJ847.63e
Re: A1708 820-00840 Missing PP1V1_UPC_XA

Thanks. I get 0.485 diode mode for XA using the test point and 0.486 for XB using it's respective test pads. When I replaced the TBT ROM chip I did so with a ROM from a 820-01598 as that was all I...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 03-11-2022, 02:45 AM
Replies: 12
Views: 583
Posted By AJ847.63e
A1708 820-00840 Missing PP1V1_UPC_XA

Hi All.

Just wanted to see if I can get some assistance with a A1708 I'm working on. Board while looking clean had it's liquid marker tripped by U2890. Board started off as fluctuating between...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 10-19-2021, 10:14 PM
Replies: 11
Views: 630
Posted By AJ847.63e
Re: 820-3437-B No green light - Hot ISL - CHGR_UGATE Short

Thanks. I believe R and C were blowing because R7190 and R7191 were installed when they shoudn't of been. I removed both and R7105 stopped blowing but I think the damage was already done and as...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 10-19-2021, 07:47 AM
Replies: 11
Views: 630
Posted By AJ847.63e
Re: 820-3437-B No green light - Hot ISL - CHGR_UGATE Short

Awesome, thanks. I’ve been told I can leave it off for now just for testing so I’m going to do that. It and R7105 kept blowing so if I can remove a variable there it will make testing what keeps...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 10-19-2021, 06:18 AM
Replies: 11
Views: 630
Posted By AJ847.63e
Re: 820-3437-B No green light - Hot ISL - CHGR_UGATE Short

Yes orientation, (dot on the top left facing C7105) soldering looks good. I ended up replacing the ISL again, I was really struggling to get pins 1,2,3 looking nice and shinny. Once I replaced it the...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 10-13-2021, 12:20 AM
Replies: 11
Views: 630
Posted By AJ847.63e
Re: 820-3437-B No green light - Hot ISL - CHGR_UGATE Short

Ok U7100, C7125 and Q7130 have been replaced. Pin 1 on U7100 is now reading 330K ohm.

ISL is still getting really hot, and looks like R7105 is blown again. Not as much as before though, now it's...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 10-06-2021, 06:17 AM
Replies: 11
Views: 630
Posted By AJ847.63e
Re: 820-3437-B No green light - Hot ISL - CHGR_UGATE Short

Forgot to mention I’m Really struggling to get the ISL joints on the left hand side (pin 1-7) looking shinny is that normal? When replacing the ISL I wicked the pads clean and they looked fine, but...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 10-06-2021, 06:13 AM
Replies: 11
Views: 630
Posted By AJ847.63e
Re: 820-3437-B No green light - Hot ISL - CHGR_UGATE Short

Thanks Piernov. Just to confirm by charger IC you mean the ISL6259 U7100? I’ll have to order a new one if so, this is the second one I’ve tried and this was stolen from my only 3437 donor. This one...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 10-05-2021, 11:05 PM
Replies: 11
Views: 630
Posted By AJ847.63e
820-3437-B No green light - Hot ISL - CHGR_UGATE Short

Hi All,

Just wanted to see if I can get some advice on this 3437 I'm working on. It had extreme corrosion around the SSD and airport (WIFI) area. C3740 has both pads removed due to the corrosion,...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 09-15-2021, 02:32 AM
Replies: 42
Views: 2,484
Posted By AJ847.63e
Re: 820-01598 Intersil 9240 chipped?

Thanks I’ll have a look and get back to you. Going to try see if I can find some donor boards of Ali express first so I can get other parts needed as well. I’m suspecting the CD 3217 (u3100) is...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 09-13-2021, 05:32 AM
Replies: 42
Views: 2,484
Posted By AJ847.63e
Re: 820-01598 Intersil 9240 chipped?

Thanks.

1: 2: & 5: I might send you a pm see if I can put in a order for the esd diodes, and regular diodes. By “paddle board” I assume you mean the ribbon with the male twin USB c connectors? Do...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 09-13-2021, 12:32 AM
Replies: 42
Views: 2,484
Posted By AJ847.63e
Re: 820-01598 Intersil 9240 chipped?

Sigh. I’m a muppet! In getting the connector back on I think I know what the problem is. Pin 18 on J3300 is now missing. Pin 19 outside section and bottom section of the connector are there but the...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 09-12-2021, 10:54 PM
Replies: 42
Views: 2,484
Posted By AJ847.63e
Re: 820-01598 Intersil 9240 chipped?

Thanks for the clarification Piernov. I was just surprised the schematic and boardview I downloaded from this forum actually matched my board when XinZhiZao did not. Normally there the ones who have...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 09-12-2021, 10:43 PM
Replies: 42
Views: 2,484
Posted By AJ847.63e
Re: 820-01598 Intersil 9240 chipped?

Thanks. Checked the port all the pins look fine but the gold shield outer casing is starting to peel back. I did have a bit of trouble lining the port up earlier. Stupid me removed the screws that...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 09-12-2021, 01:57 AM
Replies: 42
Views: 2,484
Posted By AJ847.63e
Re: 820-01598 Intersil 9240 chipped?

Well that’s frustrating! Hooked up the battery as instructed by someone on the rossmann forums and now I’m back to 5v. God I hope the bloody ISL has not died again!��

port closest to the speakers...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 09-11-2021, 07:56 AM
Replies: 42
Views: 2,484
Posted By AJ847.63e
Re: 820-01598 Intersil 9240 chipped?

Thanks. Yes that was for the resistor though in circuit. When I measure across the pads I got 2.6M. Resistor out of circuit was also 2.6k I think. Only got a quick glance as I haven’t got anything to...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 09-11-2021, 07:17 AM
Replies: 42
Views: 2,484
Posted By AJ847.63e
Re: 820-01598 Intersil 9240 chipped?

Thanks. Surprised the schematic in xin zhi zao is wrong, Piernov said there the only ones that have it for the 1598 the one we have here on badcaps is for another board he said. But when I removed...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 09-11-2021, 05:39 AM
Replies: 42
Views: 2,484
Posted By AJ847.63e
Re: 820-01598 Intersil 9240 chipped?

Finally got my 9240s in and it looks like we’re finally making slight progress!

Finally received my replacement ISL 9240 today. Installed a fresh one and now VDDP is 5V. A friend told me to check...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 08-31-2021, 09:44 AM
Replies: 42
Views: 2,484
Posted By AJ847.63e
Re: 820-01598 Intersil 9240 chipped?

Thanks I’ll try a few shout around.
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