UPS for IC chip changer


UPS or UPS, short for Uninterruptible Power Supply It is a break. This electronic tool supplies the electric current needed by the consumer’s electrical appliances during a power cut and in this regard, after establishing the reflow of municipal electricity is responsible for regulating and maintaining the electricity grid; In addition, this device prevents the penetration of noise and disturbances in sensitive consumer equipment.

Among the influencing factors during UPS powering, the following can be mentioned:

Number of systems and amount of load connected to the UPS

Capacity of the battery used in the UPS input

UPS working method

Also check: Which UPS is suitable for CCTV?

Among the duties of UPS and how UPS works, the following can be mentioned:

adjusting and modifying showing or increasing and decreasing output and input voltages, with the aim of providing an acceptable voltage for the device

Providing the electricity needed by the consumer equipment with the desired quality and continuously

All this happens when the regional electricity supplier has general or partial problems.

The types of these electronic tools are:

Offline UPS

On line UPS

UPS Interactive or Line Interactive UPS

This type of UPS is activated during a power cut in the circuit.

UPS online

The task of this UPS is to transfer the correct output to the load by correcting the input voltage, i.e. stabilizing the input from noise, as a result, the output is generally provided by these UPS. Bypass is a mode that is activated when there is a technical fault or the temperature rises to more than the permissible limit, and the so-called UPS goes to this mode.

UPS Interactive (Line Interactive UPS)

The task of this type of UPS is to provide AC output without input disturbances, and this means to transfer normal input times to the transformer through the bypass mode, in which case the transformer will act as a charger.

UPS For IC chip replacement device

UPS components

Battery (Battery): with the purpose of storing electrical energy and using it as a source of electrical energy in ups

Inverter (Inverter): In order to convert direct current into alternating current

Charger (Charger): with the purpose of charging the UPS battery and converting alternating current to direct current

Rectifier: In order to convert the input alternating current to direct current

Working with BGA Machine

Among the items that need repairs; Motherboard repairs, replacing the chip on the mainboard is one of the actions that many repairmen face during notebook repair and training. become

How to work with BJ machine

BGA stands for Ball Grid Array. CPU and graphics chips are called BGA because they have regular tin ball bases. Due to the fact that the manufacturing of chips has been given a lot of precision and delicacy, you should be very careful when working with it so as not to get damaged; Therefore, it is not possible to repair and replace chips with traditional soldering methods or industrial hair dryer methods or IR. did

A guide to repairing or rebuilding the motherboard as well as possible problems with the chips:

  • Not connecting correctly the bases of the chip to the motherboard, which is known as cold soldering among repairmen. With the passage of time and thermal changes to the chip, these bases may not be properly in place and their connection to the board hole may be broken. be.

Resolte: In order to solve this problem, it is necessary to insert the BGA device into the target chip in a precise and guided way. By repeating the process of melting again, they will be placed in their original place.

  • Non-connection complete or separation number from the bases: in this case, one or more bases are complete from their position for The connection to the board is separated and, so to speak, they are broken.

Reball: As it is known; Replacing and rebuilding the foundations is the most difficult part of the work. In fact, this is where the value of working with a BGA machine comes into play. In the learning ribbling stage, it is necessary to use the BGA device and the manual soldering method. BGA device, similar to the method that was done, before we apply the heat we are considering to the chip correctly, in the next step, we remove it from the motherboard with concentration and delicacy. It is necessary to after this stage, the connector part of the motherboard and the chip be cleaned from the remains of the previous bases.

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In the method that is done, after thorough cleaning, we smear the connection surface with amtech paste, which has the task of keeping the tin balls. We place the template related to the specific map of the chip in question on the part and small tin balls are poured on it; Then the balls are rolled and placed in the empty holes of the template. In this way, the desired chip finds its foundations.

A hair dryer is used to stabilize the tin balls. Now we have a healthy chip, which is necessary to be placed again by the BGA machine on the motherboard with proper temperature. Before that, the chip connector on the motherboard should also be coated with Amtech paste.

  • Complete failure or so called burning of the chip: this failure may be related to impact, high temperature, electricity And … the only solution is to remove the burnt chip and insert a new one.

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UPS For IC chip replacement device

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