Laptop Main Board

Laptop Main Board
Electronics PCB

Number of SMT lines: 7 high-speed SMT mating lines
SMT daily production capacity: more than 30 million points
Inspection equipment: X-RAY tester, first piece tester, AOI automatic optical tester, ICT tester, BGA rework station
Mounting speed: CHIP component mounting speed (optimal conditions) 0.036S/chip
Minimum package: 0201, accuracy up to +0.04mm
Minimum device accuracy: PLCC, QFP, BGA, CSP and other devices can be pasted,with pin spacing up to +0.04mm
IC-type placement accuracy: the mounting of ultra-PCB boards, flexible PCB boards, gold fingers, etc. has a high level, can be mounted/inserted/mixed TFT display driver boards, cell phone motherboards, battery protection circuits and other difficult products.

Order information

The Laptop Main Board is the “bridge” for transferring data and information from various hardware on the laptop, which connects and integrates various hardware such as graphics card, memory, CPU, etc., so that they are independent of each other and organically combined together to perform their respective roles, and jointly maintain the normal operation of the computer.The Laptop pursues portability, and its size and weight are strictly controlled. Laptop pursuit of portability, its size and weight have more stringent control, so with the desktop being different, Laptop motherboard integration is very high, the design layout is also very precise and compact.

Laptop motherboard is the core component of the laptop, different models of machines with different motherboards, and even the same model of machine may also have some differences.

Laptop motherboard is the core component of the laptop. Different models of machines use different motherboards, and even the same model of the machine, there may be some differences, such as more or less than one of the interfaces above, resulting in this machine not being compatible with this machine.Laptop motherboards are also a lot of manufacturers. There are also many brands. The general manufacturers of laptop manufacturers have their own motherboards, and their series.

Components of a laptop motherboard

Laptop motherboards are composed of a number of components such as Northbridge chip, Southbridge chip, BIOS, CPU slots, memory slots, expansion slots, integrated sound card, integrated graphics card, integrated network card, CMOS battery , etc. Among them, the Northbridge chip and the Southbridge chip are the most core components. The Northbridge chip is responsible for communication between the processor and the main memory, cache, and graphics card, while the Southbridge chip is responsible for handling I/O interfaces on the motherboard, such as USB, SATA, PCI-E and so on.

Laptop motherboard repair and upgrade

If the laptop motherboard has a hardware failure, it needs to be repaired or replaced.Laptop motherboard repair requires some knowledge and skills, and improper operation may lead to equipment damage. If it is necessary to upgrade the operation, it is recommended to ask a professional maintenance personnel to operate, so as to avoid errors. When upgrading, you need to know your computer’s motherboard model and hardware configuration, as well as the hardware devices that need to be upgraded, such as memory sticks, hard disk, etc., to ensure compatibility and the system can run normally.

Laptop Motherboard Maintenance

Laptop motherboards require regular maintenance. In normal use, avoid prolonged use in high temperature environments to avoid damage to the motherboard. In addition, to keep the motherboard clean, do not splash coffee, drinks and other liquids on the motherboard, so as not to cause a short circuit on the motherboard. In addition, you also need to regularly clean the motherboard cooling holes to ensure the normal operation of the motherboard and reduce the probability of failure.

PCB capability

Number of layers 1-48 layers
Materials Fr4, Tg=135150170180210, cem-3, cem-1, aluminum substrate, PTFE, Rogers, Nelco
Copper thickness 1/2oz, 1oz, 2oz, 3oz, 4oz, 5oz
Board Thickness 8-236mil (0.2-6.0mm)
Minimum line width/spacing 3/3 million (75/75um)
Minute drilling size 8 million (0.2 mm)
Min HDI laser drill size 3 million (0.067 mm)
Aperture tolerance 2 million (0.05 mm)
PTH copper thickness 1 million (25 microns)
Resistance welding color Green, Blue, Yellow, White, Black, Red
Strippable solder mask layer Yes
Surface treatment HASL (ROHS), ENING, OSP, sinking silver, sinking tin, shining gold, golden fingers
Gold thickness 2-30u “(0.05-0.76um)
Blind hole/buried hole Yes
V-shaped cutting Yes

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