Tiny Weighing Scale 52832 Smart Watch Ultrasonic Motherboard Solar Controller PCB

Product Description

Main Circuit Board: The Heart of Your Electronics

The main circuit board, also known as a motherboard, printed circuit board (PCB), or logic board, is the unsung hero of most electronic devices. It's the central platform that connects all the crucial components and facilitates communication between them, ensuring your device functions seamlessly.

Understanding the Functionality of a Main Circuit Board

• Core Components: The main circuit board houses essential components like the central processing unit (CPU), the brain of the device, and memory (RAM and ROM) that stores data and programs.
• Communication Channels: It integrates various chips and controllers responsible for specific functions like video processing, audio management, and USB connectivity.
• Power Delivery: The board efficiently distributes power throughout the device, ensuring each component receives the necessary voltage to operate correctly.

Types of Main Circuit Boards

• Motherboard: The quintessential main circuit board found in personal computers. It connects the CPU, RAM, graphics card, storage drives, and other peripherals.
• Logic Board: This term is often used for main circuit boards in laptops and mobile devices like smartphones and tablets. They are typically more compact and integrate many functions onto a single board.
• Printed Circuit Board (PCB): A broader term encompassing all boards with electronic components mounted on a laminated insulating material. PCBs can be simple single-layered boards or complex multi-layered ones.

Factors to Consider When Choosing a Main Circuit Board

• Compatibility: The most critical factor is ensuring the main circuit board is compatible with your specific device model. Incompatible boards will not function properly.
• Functionality: Consider whether you need a basic board with essential functionalities or a high-performance board with advanced features like overclocking capabilities for CPUs.
• Brand Reputation: Opt for reputable brands known for their quality and reliability. Reliable boards come with warranties and ensure long-term device performance.

Troubleshooting Common Main Circuit Board Issues

• Overheating: Excessive heat can damage the delicate components on the board. Ensure proper ventilation for your device and avoid overclocking the CPU.
• Component Failure: Individual components like capacitors or resistors can fail due to aging or power surges. Replacing the faulty component might be necessary.
• Physical Damage: Dropping or mishandling your device can cause physical damage to the board, requiring professional repairs.

  



Why choose Finest PCB Assembly?

1. More than 19 years experience of in electronic manufacturing services for PCB making.

2. One-stop service | PCB Manufacturing | Components sourcing and PCB assembly one-stop PCBA service to help you easily achieve your electronic products.

3. More than 1000 customers working with us for telecom, IOT, RF, smart control, security, medical, industrial, automotive, 3G / 4G / 5G products.

4. Reasonable and stable price: have established a strong global electronics components supply chain that helps us get
reasonable and stable price

5. Quality assurance: more than 15 years of experience in the engineering team and quality control team to ensure
all products come out under control.
6. Professional replace-solution: help customers source professional replace-solution to achieve faster, lower cost with high-quality components purchasing agent service.
 

PCBA Technical Capability
1. Assembly Type::	FR4, FPC, Rigid-flex PCB, Metal base PCB.
2. Assembly Specification:	Min size L50*W50mm; Max size: L510*460mm
3. Assembly thickness:	Min thickness: 0.2mm; Max thickness: 3.0mm
4. Components Specification
Components DIP:	01005Chip/0.35 Pitch BGA
Minimum device accuracy:	+/-0.04mm
Minimum footprint distance:	0.3mm
5. File format:	BOM list; PCB Gerber file:
6. Test
IQC:	Incoming inspection
IPQC:	Production inspection; first ICR test
Visual QC:	Regularly quality inspection
SPI test :	Automatic solder paste optical inspection
AOI:	SMD component welding detection, components shortage & component polarity detection
X-Ravd:	BGA test; QFN and other precision devices hidden PAD device inspection
Function test:	Test function and performance according to the customer's test procedures and steps
7. Reworking:	BGA rework equipment
8. Delivery Time
Normal delivery time:	24 hours( fastest 12 hours quick-turn)
Small production:	72 hours( fastest 24 hours quick-turn)
Medium production:	5 working days.
9. Capacity:	SMT assembly 5 million points/day; plug-in & welding 300,000 points/day; 50-100 items/day
10. Components Service
A full set of substitute materials:	Have experience in component procurement sourcing, and management systems, and provide cost-effective services for OEM projects
Only SMT:	Do SMT and backhand welding according to components PCB boards provided by customers.
Components purchasing:	Customers provide core components, and we provide component sourcing services.

PCB Specification:
PCB layers:	1-24layers
PCB materials:	CEM1, CEM3, Rogers, FR-4, High Tg FR-4, Aluminum Base, Halogen Free
PCB max. board size:	620*1100mm (Custom)
PCB certificate:	RoHS Directive-Compliant
PCB Thickness:	1.6 ±0.1mm
Layer Copper Thickness:	0.5-5oz
Inner Layer Copper Thickness:	0.5-4oz
PCB max. board thickness:	6.0mm
Minimum Hole Size:	0.20mm
Minimum Line Width/Space:	3/3mil
Min. S/M Pitch:	0.1mm(4mil)
Plate Thickness and Aperture Ratio :	30:1
Minimum Hole Copper:	20µm
Hole Dia. Tolerance(PTH):	±0.075mm(3mil)
Hole dia. Tolerance(NPTH):	±0.05mm (2mil)
Hole Position Deviation:	±0.05mm (2mil)
Outline Tolerance:	±0.05mm (2mil)
PCB solder mask:	Black, white, yellow
PCB surface finished:	HASL Lead-free, Immersion ENIG, Chem Tin, Flash Gold, OSP, Gold finger, Peelable, Immersion Silver
Legend:	White
E-test:	100% AOI, X-ray, Flying probe test.
Outline:	Rout and Score/V-cut
Inspection Standard:	IPC-A-610CCLASSII
Certificates:	UL (E503048),ISO9001/ISO14001/IATF16949
Outgoing Reports:	Final Inspection, E-test, Solderability Test, Micro Section, and More

FAQ

1. who are we?
We are based in Guangdong, China, and start from 2019, sell to Domestic Market(50.00%), North America(15.00%), South
America(12.00%),Northern Europe(12.00%),Western Europe(5.00%),Southeast Asia(2.00%),Mid East(2.00%),Eastern Europe(2.00%). There
are a total of about 301-500 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3. what can you buy from us?
PCBA, PCB Assembly, PCBA Board, LED PCBA, Electronic PCBA

4. why should you buy from us not from other suppliers?
*A 18-year one-stop solution provider *Strong R&D group with 30 engineers *Monthly output:45000 sqm of PCBs and PCBAs*4500-square-meter factory *Eight SMT production-line *Automatic SMT, Reflow machine, AOI&x-RAY *Fast response, reply within 24hrs

5. what services can we provide?
Accepted Delivery Terms: FOB, CIF, EXW, Express Delivery;
Accepted Payment Currency: USD, EUR, GBP;
Accepted Payment Type: T/T, L/C, MoneyGram, Western Union;
Language Spoken: English, French