RELIFE TB-07 Disassembly-free IP Android phone charge interface test board

From the shop's description

Description: Suitable for repairing Type-C interface and Lighting interface mobile phone not charging fault detection function and quickly finding the test position of DP DM CC of the motherboard. 2-in-1 design, suitable for repairing mobile phones with Type-C interface and Lighting interface that are not charging. Features: No Need To Disassemble The Phone For Charge Board Testing Detection function without disassembling the mobile phone and quickly find the test position of the DP DM CC of the motherboard 2-in-1 design, suitable for repairing mobile phones with Type-C interface and Lighting interface that are not charging. Quickly Locate Fault Points Insert the corresponding tail plug, Specifications: BRAND RELIFE PRODUCT NAME Non-disassembly Android Phone Tail Plug Testing Board MODEL TB-07 NET WEIGHT ≈ 2.3g GROSS WEIGHT ≈ 4.0g PRODUCT SIZE 52mm(L) x 25mm (W) x 3.5mm(T) PACKING SIZE 75mm(W) x 105mm(L) How to Use: Insert the corresponding tail plug adjust the multimeter to the diode position the positive test lead contacts the GND corresponding to the tail plug detection, and the negative test lead can measure the test point corresponding to the tail plug detection The normal value is about 600. If the resistance value is too low or too high, it is a problem point. Find the problem by disassembling the machine and measuring the test position of the motherboard, and refer to the point map for repair (when measuring the accurate value, it is recommended that the motherboard is broken. Electrical measurement. The measured value of the mainboard when it is powered on will be numerically different from the measured value when it is powered off)