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Welcome to Logi.WIki

This site is dedicated to sharing known good information about logic board repair. Please post only information that is proven. If you find anything incorrect please edit or leave notes so it can be corrected. Feel free to contribute, this is a group effort. You can use the “discussion” or talk pages to discuss changes to the current info or ask questions.

Introducing the 1i! We have completed the microscope multimeter HUD. It is now available in limited quantity at http://1ihud.com.

Categories

► Mac	► iPhone	► iPad
► Troubleshooting Guide

All pages

• 1 TODO
• 820-00165 Boot Up Diagram
• 820-00165 Pulsing
• 820-00928 no image on lcd
• 820-01055 Power On Sequence
• 820-01598 Power on Sequence
• 820-2850
• 820-3115 Common Issues
• A1237 HDD/SSD
• A1278 Common Issues
• A1286/A1297 Common Issues
• A1286 Common Issues
• A1311/A1312 Inverter
• A1311/A1312 Power Supply
• A1347 2010-2012 common issues
• A1347 2010-2014 Power Supply Voltage Test
• A1347 SATA/SDD Flex Cable
• A1347 compatible Parts
• A1398 Common issues
• A1418/A1419 Power Supply
• A1502 Common Issues
• A1706/A1708 TConn Backlight Pinout (FlexGate)
• A1707 Boot Up Sequence
• A1708 SSD
• A1993 2018-2020 Power Supply Voltage Test
• ACMT
• ACPI power states
• ALL SYS PWRGD
• ASD List
• ASD Sensor Names
• Air Soldering Tips
• Amtech
• Anti-Glare Screen Glaze Removal
• Apple Flat Rate Repair Pricing
• Apple Hardware Test (AHT) Codes
• Apple Hardware Test (AHT) and Apple Diagnostics (AD) Codes
• Apple MacBook Flat Rate Repair Pricing
• Apple Manufacturing Plant Codes
• Apple Mobile Device Public Repair Pricing
• Apple Public Repair Pricing
• Apple Quality Programs
• Apple SSD connectors and adapters list
• Apple Software Diagnostics Sensor Names
• BBOX
• BCM15700 Camera
• Backlight Troubleshooting
• Basic Troubleshooting
• Basic iPhone LB Troubleshooting
• Battery Lifespan
• Beginner Troubleshooting
• Beyond Economical Repair (BER)
• Big Sur Upgrade Loop
• Board Number by A Number
• Board Number by Screen Size
• Board Number by Year
• Booting PPC from USB
• Bootup Signal Order
• CD3215 Bootup Sequence
• Catalina
• Change macOS System Version
• Clean EFI ME Region
• Clean ME Region
• Cleaning Policies From Chrome
• Common Mac Issues/Models
• Compatible Schematics and Diode Measurements
• Compatible Schematics and Diode Mode Measurements
• Critical Update Required
• Critical Update Required Troubleshooting
• DFU Mode Restore
• DFU Mode Restore (Macs)
• DFU Mode Restore (iOS)
• DFU mode restore (Macs)
• Datarecovery with open-source software
• DeployStudio Big Sur
• DeployStudio Catalina
• Diagnostic Shortcuts
• Diode mode BGA continuity check
• Disable Spotlight on External Drives
• EFI
• El Capitan
• External display adapters support
• Face ID Precautions
• Face ID Repair
• Face ID Troubleshooting
• Failing GPU
• Finding contact info for lost/stolen devices
• Fusion Drives
• G3H
• G3 to S3 State for Ivy Bridge Haswell and Broadwell
• Game Console Diode Measurements
• Game Console Diode Mode Measurements
• Game Console Small Components
• Google Pixel Diode Measurements
• Google Pixel Diode Mode Measurements
• Hot Air Soldering Tips
• Hot Air Stations
• How To - learning new techniques
• How to Identify Macs
• How to calibrate an aftermarket A1707 display
• IMac
• IMac 27" 2011 Late HDD Thermal Sensor mystery and fun facts
• ISL6258/9
• ISL6258 ISL6259
• ISL6258 ISL6259 Troubleshooting
• Identifying Original Parts
• Internet Recovery
• LCD Screen Compatibility
• LCD Troubleshooting
• LP8550 Slope Configuration
• List of Contributors
• Login Items
• Lost user account after OS update
• ME Disable Strap
• MOSFETs
• MacBook
• MacBook Air Pictures
• MacBook Battery Compatibility
• MacBook Board Layers
• MacBook Compatible Schematics and Diode Measurements
• MacBook Compatible Schematics and Diode Mode Measurements
• MacBook Diode Measurements
• MacBook Diode Mode Measurements
• MacBook LCD Screen Compatibility
• MacBook OEM, Aftermarket and Knock-Off batteries
• MacBook OEM and Knock-Off batteries
• MacBook Parts List
• MacBook Power Up Circuits
• MacBook Pro Diode Measurements
• MacBook Pro Pictures
• MacBook Stencils
• MacBook USB-C Video Out
• Mac Pro 6,1 Late 2013 Diagnostic LEDs
• Mac Pro 6,1 Trash Can Late 2013 Diagnostic LEDs
• Mac mini Common Issues
• Mac sensors reference designators
• Macintosh Plus Resources
• Macintosh Portrait Display Cable
• Macintosh SE Resources
• Magsafe Sleep Mode
• Main Page
• Malware Removal
• Microscopes and Microscope Cameras
• Mojave Common Issues
• Move iTunes or Music Library
• Multimeter
• NAND Compatibility
• NVRAM
• Older MacBook Power up Sequence
• Option ROM
• Oscilloscope
• PM SLP S4 L Timing
• PP3V42 G3H
• PPBus G3H
• PRAM
• Power On Pads
• Power Rail List
• Power Rail Order
• Power Supply
• Programmers
• Proper Nomenclature
• Purple - iOS research
• QuickLookd
• Recovery Mode
• Reflow & Replace SMC
• Reset to EFI POST State for Ivy Bridge Haswell and Broadwell
• Resistance to Ground List
• Resistor
• Resources and Tools
• S0 to Reset State for Ivy Bridge Haswell and Broadwell
• S3 to S0 State for Ivy Bridge Haswell and Broadwell
• SCSI IDC 50 pin
• SMC
• SMC Circuits
• SMC Compatibility
• SMC Sensor Codes
• SMC flashing
• Samsung Diode Measurements
• Samsung Diode Mode Measurements
• Schematic Abbreviations
• Schematics and Boardviews Availability
• Schematics and boardviews availability
• Screen Compatibility
• Shutdown causes
• Single user mode
• Software Sensor Readings
• Soldering Stations
• Start Up Manager
• Startup Keys
• Stencils
• Stuck System Upgrades
• T1 MacBook WiFi IC Replacement
• T2 MacBook WiFi IC Replacement
• T2 and CD3215 Power on Sequence
• T2 and CD3217 Power on Sequence
• TODO
• Target Disk Mode
• Terminal Commands Cheat Sheet
• Throttling
• Touch Bar Notes
• Trackpad & keyboard
• USB-C Pinout
• Ultrasonic Cleaners
• Useful Websites
• Verbose Mode
• iMac A1311/A1312 Graphics card
• iMac HDD Thermal Sensor Bypass
• iMac Logic Board LED Indicators
• iMac Pictures
• iMac backlight circuit troubleshooting (A1419 and above)
• iOS Kernel Panic Codes
• iPad Cellular to Wifi Conversion
• iPad Component Compatibility
• iPad Diode Measurements
• iPad Diode Mode Measurements
• iPad Laminated Display Sizing
• iPad Pro Pictures
• iPad Pro Touch Filter
• iPad Repair Tips
• iPhone/iPad Component Compatibility
• iPhone/iPad Tristar
• iPhone 11 Pro Smart Case Teardown
• iPhone 12 Pro Diode Mode Measurements
• iPhone Component Compatibility
• iPhone Diode Measurements
• iPhone Diode Mode Measurements
• iPhone Face ID Repair
• iPhone LCD Model
• iPhone Locking Policies
• iPhone SE (2020) Compatibility
• iPhone Touch ID Diagrams
• macOS
• macOS Missing Partition (APFS)
• softwareupdate
• throttling

Recent Contributions

List of abbreviations:

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14 May 2021

m   22:38

Anti-Glare Screen Glaze Removal‎ diffhist 0‎ Crumblenaut talk contribs moved brush to supplies list instead of safety equipment list Tag: Visual edit

21:17

User creation log User account Jimanez11 talk contribs was created ‎ Tags: Mobile web edit Mobile edit

			19:42		(Upload log)‎ [Tim‎ (13×)]
					19:42 Tim talk contribs uploaded File:iPhone X sensor IC diode readings.jpg ‎(Uploaded a work by GLONWYMAN from G-LON with UploadWizard) Tag: Upload Wizard
					19:42 Tim talk contribs uploaded File:iPhone X Power IC diode readings.jpg ‎(Uploaded a work by GLONWYMAN from G-LON with UploadWizard) Tag: Upload Wizard
					19:42 Tim talk contribs uploaded File:iPhone X top board comparison (Qualcomm & intel).jpg ‎(Uploaded a work by GLONWYMAN from G-LON with UploadWizard) Tag: Upload Wizard
					19:42 Tim talk contribs uploaded File:iPhone X NFC IC diode readings.jpg ‎(Uploaded a work by GLONWYMAN from G-LON with UploadWizard) Tag: Upload Wizard
					19:42 Tim talk contribs uploaded File:iPhone X display connector diode readings.jpg ‎(Uploaded a work by GLONWYMAN from G-LON with UploadWizard) Tag: Upload Wizard
					19:42 Tim talk contribs uploaded File:iPhone X touch connector diode readings.jpg ‎(Uploaded a work by GLONWYMAN from G-LON with UploadWizard) Tag: Upload Wizard
					19:42 Tim talk contribs uploaded File:iPhone X speaker connector diode readings.jpg ‎(Uploaded a work by GLONWYMAN from G-LON with UploadWizard) Tag: Upload Wizard
					19:42 Tim talk contribs uploaded File:iPhone X fron camera connector diode readings.jpg ‎(Uploaded a work by GLONWYMAN from G-LON with UploadWizard) Tag: Upload Wizard
					19:42 Tim talk contribs uploaded File:iPhone X rear camera connectors diode readings.jpg ‎(Uploaded a work by GLONWYMAN from G-LON with UploadWizard) Tag: Upload Wizard
					19:42 Tim talk contribs uploaded File:iPhone X power button connector diode readings.jpg ‎(Uploaded a work by GLONWYMAN from G-LON with UploadWizard) Tag: Upload Wizard
					19:42 Tim talk contribs uploaded File:iPhone X bottom sandwich (Qualcomm) diode readings.jpg ‎(Uploaded a work by GLONWYMAN from G-LON with UploadWizard) Tag: Upload Wizard
					19:42 Tim talk contribs uploaded File:iPhone X battery connector and charging IC diode readings.jpg ‎(Uploaded a work by GLONWYMAN from G-LON with UploadWizard) Tag: Upload Wizard
					19:42 Tim talk contribs uploaded File:iPhone X bottom sandwich (Intel) diode readings.jpg ‎(Uploaded a work by GLONWYMAN from G-LON with UploadWizard) Tag: Upload Wizard

Top Users

Last 180 days (Top 10)

Rank Score Pages Changes Username 1 80 67 110 Chrisb (talk | contribs) 2 37 34 36 Dusten04 (talk | contribs) 3 36 24 61 Inwerp (talk | contribs) 4 34 25 46 Crumblenaut (talk | contribs) 5 32 20 57 Piernov (talk | contribs) 6 31 17 65 QuiveryNut (talk | contribs) 7 25 18 30 Nobluesky (talk | contribs) 8 22 20 21 Tim (talk | contribs) 9 17 13 18 Alex6337 (talk | contribs) 10 17 11 20 Joesipaq (talk | contribs)

Special Thanks

Special thanks to Jonathan Zufi for his Iconic Book! Its a cover to cover treasure for any Apple lover.