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PCB prototype assembly water meter PCB

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PCB prototype assembly water meter PCB
  • Details

Basic information about the product:
Product Classification: PCBA
Product code: 4B3003A0-PCBA
Product Name: ITS3000
Pcb product application: water meter
Pcb sheet information: four layers FR4, board thickness 1.6MM, copper thickness 1OZ, HASL Lead free, green oil white board size: 227*170MM/1PCS
produce
Quantity: 1 piece
Production cycle: 18 hours

 

 

Circuit board process information:
Process flow: smt+dip+ test + packaging
Solder paste requirements: Ag0.3/Cu0.7/20-38uM
A/B surface: Single-sided mounting, CN1 number gold finger position should be protected by high temperature glue.
Pcba board welding method: hand soldering,
other requirements:
1. DIS1 bit heatsink and LM317T, pre-wire assembly
2, wave soldering, pay attention to the CN1 number of gold fingers do not tin pollution.
3. The SD card should be inserted into the card holder on the board (operating after soldering and cleaning)
4. Install the jumper cap to the CN3 number, two. One for each of two adjacent pins.
5. CN1, CN5, CN9, CN16 bit number holders need to be spliced and then soldered.
6. CN13, CN14, CN15 number seat should be spliced and then soldered.
7. CN1, CN5, CN9, CN16, CN13, CN14, CN15 welding direction according to the drawing, the wiring side to the board edge is correct

Product Name:PCB prototype assembly water meter PCB

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