S-UEM3 PRO Mac Fault Diagnostic Tester

SoFix S-UEM3 PRO MacBook Motherboard Connector Fault Diagnostic Tester

The SoFix S-UEM3 PRO is a professional motherboard connector fault detector engineered for 2016–2025 Apple MacBook Air and MacBook Pro motherboards. Equipped with an intuitive color LED touchscreen, Type-C 5V power input, and pre-programmed factory reference values, it enables rapid troubleshooting of USB-C 5V–20V boost circuits, EDP displays, cameras, and backlight lines across Intel T1/T2 and Apple Silicon M1–M4 models.

Key Features

• Color LED Touchscreen: One-touch model selection (T1, T2, M1, M2, M3, M4) with clear, intuitive on-screen diagnostic results.
• Built-in 2016–2025 Factory Values: Pre-loaded reference values for USB-C, EDP display, camera, and backlight connectors.
• Instant Status Feedback: Directly displays whether measured connector values are High, Low, or Short Circuit for swift fault location.
• Fast & Flexible Operation: Screw-mounted conversion board with quick-lock socket allows smooth, secure connection of flexible FPC cables.
• Convenient Type-C 5V Power: Powered via standard Type-C port, ideal for both micro-soldering benches and mobile repair setups.

Core Diagnostic Capabilities

• 5V–20V Boost Diagnosis: Quickly detects and isolates charging and power boost circuit faults through the USB-C connector.
• Display & Camera Fault Detection: Pinpoints the root causes of black screens, no display, and camera malfunctions via the EDP connector.
• Backlight Circuit Troubleshooting: Accurately traces open circuits and short circuits in the backlight circuit via the JP900 connector.

Dedicated Cable & Model Compatibility

• J8500 / JP600 48-Pin EDP Cable: Connects EDP display connectors on MacBook T1, T2, and M1 models.
• JP600 38-Pin EDP Cable: Connects EDP display connectors on MacBook M2, M3, and M4 models.
• JP400 / JG600 / JE900 / JF600 / JF601 / JE700 / JE701 Cable: Connects camera connector and left/right USB-C ports on M2, M3, and M4 models.
• JB500 / J3300_CWR & A2681 / A3113 / A3240 JP600 Cable: Connects right USB-C port on T1, T2, and M1 models, and display connector on MacBook Air M2, M3, and M4 models.
• J3300 / J3300_CXT / JF600 / JE700 & JP900 Cable: Connects left USB-C port on T1, T2, and M1 models, and backlight port on M2, M3, and M4 models.

Product Specifications

• Brand: SoFix
• Model: S-UEM3 PRO
• Product Dimensions: 107 × 92 × 23 mm
• Package Dimensions: 165 × 159 × 39 mm
• Product Weight: 303 g
• Display: Color LED Touchscreen
• Power Supply: Type-C 5V
• Supported Devices: 2016–2025 MacBook Air & MacBook Pro (T1, T2, M1, M2, M3, M4)
• Diagnostic Coverage: USB-C connector (5V–20V boost), EDP display, camera, and backlight circuits

Package Includes

• 1 × SoFix S-UEM3 PRO Diagnostic Host Unit
• 5 × Dedicated Flexible FPC Diagnostic Cables
• 1 × Conversion Board (Pre-mounted with screws)

Target Applications

An indispensable diagnostic tool for Apple repair facilities, motherboard micro-soldering specialists, and IT hardware technicians servicing 2016–2025 MacBook motherboards.