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Search: Posts Made By: mon2
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices Yesterday, 08:09 AM
Replies: 4
Views: 51
Posted By mon2
Re: Please identify this chip ?BAB700?

From which logic board?
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices Yesterday, 03:13 AM
Replies: 13
Views: 176
Posted By mon2
Re: ThinkPad T460s processor frequency i5-6300U

Remove the adapter and using the battery only, measure the voltage on each pin of Q8, Q34 and Q13. Post your readings.
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 10-01-2022, 05:13 PM
Replies: 4
Views: 94
Posted By mon2
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 10-01-2022, 12:55 PM
Replies: 4
Views: 94
Posted By mon2
Re: HP LA-C701P REV 1.0 does not trigger

1) is the power adapter the original and recommended model for this unit ?

2) see attached -> measure the voltage on the 2 x DCin mosfets used by the charger IC to power the logic board.

Meter...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 10-01-2022, 10:52 AM
Replies: 3
Views: 74
Posted By mon2
Re: iPad Air 2 A1566 Unable to Activate Help!

Then you may need something like this..

US $24.00 | sn wifi bt serial number for iPad 2 3 4 ipad Mini 1 2 3 Air 2 iPad PRO 9.7 PRO 10.5 12.9 for iPad active icloud unlock...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 10-01-2022, 09:59 AM
Replies: 3
Views: 74
Posted By mon2
Re: iPad Air 2 A1566 Unable to Activate Help!

What does iTunes report ?

Review some of the ideas here:

https://www.ifixit.com/Answers/View/496070/Red+Flash+on+boot
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 10-01-2022, 07:29 AM
Replies: 1
Views: 81
Posted By mon2
Re: A1534 no Sound

The audio is created by the CS4280 CODEC which resides on a daughterboard. This CODEC then streams back out the audio channels to the power amplifiers on your logic board.

If the audio function is...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 10-01-2022, 07:16 AM
Replies: 13
Views: 176
Posted By mon2
Re: ThinkPad T460s processor frequency i5-6300U

I think we are referencing 2 different schematics. The first link in the shared webpage (Alisaler) has a different schematic than the one in the last post of the same webpage.

Which schematic is...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 10-01-2022, 06:22 AM
Replies: 2
Views: 94
Posted By mon2
Re: Supplier for M.2 pcb connector HP 15-AX

This looks to be a custom and nasty connector.

Can you post all pics of the removed connector?

Perhaps I will recognize the vendor.

We have worked with Attend, Lotes and others who may be...
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 10-01-2022, 06:18 AM
Replies: 98
Views: 10,668
Posted By mon2
Re: Apple Mac Mini A1347 Late 2014 completely dead no power

Yes, a no fix if CPU. We have a very advanced bga automatic work station (Seamark) but not yet confident to deal with the larger devices. Working well for small parts we have replaced.

Consider a...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 10-01-2022, 05:52 AM
Replies: 13
Views: 176
Posted By mon2
Re: ThinkPad T460s processor frequency i5-6300U

Is the battery a known good battery?

Remove the battery. Attach only the power adapter.

Meter in dc volts mode (20v or higher).

Red meter probe on ACOK (pin 5) of charger IC (pu101). Black...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 10-01-2022, 05:38 AM
Replies: 6
Views: 136
Posted By mon2
Re: HP Envy 13-aq series KBC EC pinout

Found the following from a Russian website:


Can you confirm your package is the BGA device?
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 10-01-2022, 05:22 AM
Replies: 13
Views: 176
Posted By mon2
Re: ThinkPad T460s processor frequency i5-6300U

Can you post or link the schematic if on this forum?

When you run from the battery only, the logic board is stable and running at the right speed?
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 10-01-2022, 12:45 AM
Replies: 1
Views: 66
Posted By mon2
Re: Macbook M1 820-02016 Keyboard -Trackpad stop working after a while

Check if it is overheating. Contact Apple for advice and post your updates here.

https://www.reddit.com/r/mac/comments/n8c24c/m1_macbook_air_keyboard_and_trackpad_stopped/
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 09-30-2022, 05:10 PM
Replies: 11
Views: 253
Posted By mon2
Re: A1286 820 2850 no hdd detected

Is the drive formatted to be used with the macbook or is it a new drive?

Just an article noting the same:

https://www.ifixit.com/Answers/View/290345/MacBook+won't+read+new+internal+hard+drive
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 09-30-2022, 11:49 AM
Replies: 11
Views: 253
Posted By mon2
Re: A1286 820 2850 no hdd detected

Can you confirm that you have tested the ODD drive using the dedicated ODD connector it also failed ?

U2700 is a critical component to the operation of the SATA function - it offers the clock...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 09-30-2022, 08:41 AM
Replies: 1
Views: 78
Posted By mon2
Re: Yoga3 Pro-1370 NM-A321 - no power at all

Hi. Perhaps not strong enough tea for me but having some difficulty in following this schematic.

1) Where are you measuring the DCin power rail ? Is it @ JP23, pin # 5 ?

What is JP23 on your...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 09-30-2022, 07:40 AM
Replies: 13
Views: 176
Posted By mon2
Re: ThinkPad T460s processor frequency i5-6300U

What is the resistance value you measured of this ID pin on the adapter being tested?

Take the measurement without any power to the adapter.
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 09-30-2022, 07:02 AM
Replies: 1
Views: 58
Posted By mon2
Re: Lenovo LA-H105P element identification

https://www.aliexpress.com/item/1005002712638544.html
...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 09-30-2022, 04:56 AM
Replies: 1
Views: 67
Posted By mon2
Re: hp 450 g5

Post more details of the wifi card and model you are testing.

The issue maybe the pin #1 = WAKE# line of the adapter.

To test, apply a thin piece of tape onto pin #1 of the gold contact of the...
Forum: Schematic Requests ONLY! 09-29-2022, 07:55 PM
Replies: 4
Views: 1,599
Posted By mon2
Re: Looking for ux430un schematic or boardview

Found only a BV file for R2.2.
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 09-29-2022, 07:52 PM
Replies: 11
Views: 253
Posted By mon2
Re: A1286 820 2850 no hdd detected

Is U4510 present on your logic board ? If yes, confirm the power rails (VDD) and connections for this component.

It is a SATA signal redriver IC that basically cleans up and amplifies the high...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 09-29-2022, 02:28 PM
Replies: 11
Views: 253
Posted By mon2
Re: A1286 820 2850 no hdd detected

Further to the comments raised by @mcplslg123, do confirm that the cable is working in another box. The reason being that we ordered a batch of these cables from a reliable supplier on Aliexpress....
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 09-29-2022, 02:02 PM
Replies: 10
Views: 161
Posted By mon2
Re: iPhone 5 tristar advice

Which tristar tester did you use ? Is it a breakout board and used the diode mode on the meter for testing ?

Or a stand alone tool for testing of the tristar ?

The tool is reporting a tristar...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 09-29-2022, 09:22 AM
Replies: 18
Views: 693
Posted By mon2
Re: Macbook Pro 2020 Touch Bar A2289 Ambient sensor and camera not working

https://www.aliexpress.com/wholesale?trafficChannel=main&d=y&CatId=0&SearchText=mini+ironing+table+solder&ltype=wholesale&SortType=total_tranpro_desc&groupsort=1&page=1
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