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After removing the CPU

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00:00:05,233 --> 00:00:07,666

We started to de-glue the motherboard and chip

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00:00:08,200 --> 00:00:12,166

We first put a little low melt solder on the surface of the motherboard and chip

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00:00:16,000 --> 00:00:17,600

Heat it with the soldering iron

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00:00:17,800 --> 00:00:19,766

Flatten to the pads of the whole chip

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00:00:21,666 --> 00:00:25,600

The soldering iron should not stay in an area of the chip for too long

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00:00:28,300 --> 00:00:29,900

Quickly flatten like this

8

00:00:35,966 --> 00:00:39,166

Try to make every pad as round and bright as possible

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00:00:42,100 --> 00:00:44,966

After the chip, let's flatten the motherboard

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00:00:50,866 --> 00:00:54,766

The soldering iron does not need to flatten very fast on the motherboard

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00:00:55,466 --> 00:00:59,566

Because the temperature of the soldering iron is high when flattening the chip

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The soldering iron has a temperature of more than 300 degrees

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00:01:04,300 --> 00:01:06,433

If it stays in an area for too long

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It is possible to burn the CPU

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The motherboard doesn't have this problem

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00:01:14,300 --> 00:01:16,300

It doesn't matter if it takes a little longer

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00:01:19,666 --> 00:01:22,133

When there is a lot of solder on the soldering iron

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00:01:22,500 --> 00:01:26,000

We must pay attention to the angle when we flatten the edge components

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00:01:26,466 --> 00:01:29,966

Don't push this large piece of solder onto components on the edge

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00:01:32,700 --> 00:01:36,766

It is easy to stick the solder to the side of the inductor or capacitor

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00:01:40,200 --> 00:01:42,933

Shake off a little when there is too much solder

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00:01:44,900 --> 00:01:47,433

Add some soldering oil and flatten the edge