6.10 Preparations before maintenance:

6.10.1 Preparing devices: Adjust required temperature parameters (for example, a heat gun). Heating table. Electric soldering iron, etc.).

6.10.2 Prepare related materials: Maintenance Report, SMT Maintenance And Replenishment Record Form, relevant model number diagram, BOM list, etc.

6.10.3 Work table 6S Cleaning: Keep the work table clean and tidy, and wear esd bracelets.

6.10.4 In order to minimize the thermal impact of high-temperature welding on the surrounding components and avoid unnecessary maintenance operations, it is necessary to protect the surrounding components during welding maintenance. High-temperature adhesive tape can be used. Tin foil, metal sheets and other objects to shield the surrounding components.

6.10.6 All articles used for welding shield protection shall not cause any damage to the PCBA and shall not leave any residue on the PCBA board after removal if the articles are sticky.

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