Many people who are not familiar with BGA rework stations often ask this question. In fact, with the continuous improvement of equipment in the BGA rework field, repairing typical mobile phone chips is quite feasible. Currently, the most challenging mobile phone chip to repair is likely the iPhone 13 chip due to its intricate BGA layout. However, with a Silman Tech BGA rework station, repairing iPhone 13 chips can be easily accomplished.
The method steps for repairing iPhone 13 chips with a BGA rework station:
Step 1: Repairing iPhone 13 chips with a BGA rework station differs from repairing regular chips. Typically, for regular chips, the damaged BGA is directly removed. However, for repairing iPhone 13 chips, the first step is to remove the adhesive. Removing this thin layer of adhesive can be challenging and requires adjusting the temperature correctly and exercising patience. If a subpar BGA rework station is used, it may easily damage the iPhone chip.
After removing the adhesive from the iPhone 13 chip, select the appropriate BGA nozzle and suction nozzle for the chip. Then, set the corresponding temperature curve. Nowadays, mobile phone chips generally use lead-free solder balls with a melting point of around 217°C. After selecting the appropriate nozzles, fix the iPhone chip on the BGA rework station. Then, use the red dot positioning to locate the center of the BGA chip and determine the mounting height.
When using the BGA rework station to repair the mobile phone chip, set the temperature curves for desoldering and soldering to the same group. Then, switch to the desoldering mode on the touchscreen, press the rework button, and proceed to remove the damaged iPhone chip. Next, clean the solder on the pads, place the new chip, and switch to the soldering mode. The mounting head will automatically descend to place the BGA on the pads, and heating will commence. Once the temperature curve is completed, the heating head will return to its initial position, completing the soldering process.
Following the above method steps can effectively address the issue of repairing mobile phones with a BGA rework station. If you are still unsure about how to repair iPhone 13 chips with a BGA rework station, you can refer to videos or directly contact customer service on the website for assistance.