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This is an universal solder fixture

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Mainly used to repair some Android motherboards

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It uses this kind of screw to push the slider forward and backward

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We put the motherboard that needs to be soldered into this area in the middle

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This is an Android motherboard

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When the screw drives the slider to move to the right, it can reach this area of the motherboard

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So the motherboard is fixed

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This fixture is for Android

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Android motherboard does not have this kind of special fixture

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And Android motherboards come in a variety of shapes

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They could be very different

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So we can use this universal fixture to fix

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The advantage of this universal fixture is that it supports a variety of models

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But there are also disadvantages

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The disadvantage is that it is not so stable

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And there are very few points of support

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There are some places like this one on the right side of the board we have now

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Just clamped this tiny bit of area

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This area is not clamped

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If the clamp is too tight, this area of the motherboard may be deformed

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If too loose

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When this board is soldered, it is very likely that the chip will fall off if you pick it up a little

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So we only use it without a dedicated fixture

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Anyway,using this kind of fixture is relatively safer than doing the disassembly on the table

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This is one of the universal solder fixtures

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Which is to use this kind of screw adjust the slider to move left and right to fix the motherboard

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There is another kind

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It also has chip slots on the left and right sides

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In the middle, three sliders are used to fix the motherboard

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The two sliders above are movable

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The area below can also be pushed back and forth

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And this buckle has a spring at the bottom

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To use elastic pressure to fix

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The two buckles above are the same as the one below

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There is a card slot in the middle

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You can fix this edge of the motherboard with this slot

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Now let's take a look at this fixture

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We have now fixed the upper part

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Fix the lower part by pushing

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Now it's fixed

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It also has very few points of support

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It is easy to deform when the clamp is too tight during welding

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If it is too loose, it may become unstable

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This is how our common models are used

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There may be other types in the market

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The method is basically the same

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Generally speaking, when buying a solder fixture, the factory will be giving instruction

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If you have other types I didn't mentioned it in the video

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Please refer to the instruction given by the seller to operate

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Well,so much for universal solder fixture.Thank you