Microchip by want to know what issues and bring the CONTACT BOARD TSSOP173 4 pcs to Khun Yootthapoom, which is fixed by the flux and used 60/40 lead to trials that are caused by the flux or not.
The Microchip want to know what caused the problem and what led to the CONTACT BOARD TSSOP173 16 pcs Khun Yootthapoom which is modified by using non-lead flux and 60/40, to test whether or not caused by flux.
By the way Microchip want to know the problem what caused it and bring CONTACT BOARD TSSOP173 16 PCs to Khun Yootthapoom which is a ที่แก้ไข by not using. Flux and lead 60 / 40 to experiment to caused by flux?