Analog Hot Air Station 2020

In this blog post, I am about to explain What are some common uses of a rework station in mobile
phone repairing? to do that let us start form analog rework station overview

Analog Hot Air Station for Mobile Phone Repairing

Now in analog hot air station, there are two knob Air and heater.
hot air rework station vs heat gun
best hot air rework station

Heater element exists in Handle that is directly controlled by this knob. If you'd turn it on the button, this red light gets on also, you turn this button as per need.
Plug in the power cord of the station to ac current and switch ON by this button
station power button
when this light blinks.
Most hot air rework station has an automatic light feature. This means that when the heater Temperature rich to your set knob the light blinks
This light blinks
It means you Heater element Get warm. Besides,
the heater inside the rework station handle gets red when it leads to his Temperature
this handle has a heater inside
there is a Heater inside the Handle and it gets it red when the heat gun is continuously on Means is now is too much hot.

Besides a heat gun, you’ll need a few more mobile hardware repairing tools like soldering flux, heat resistant tape, biological knife, screwdriver, Tweezer, BGA reballing paste, and BGA stencils.

If you already have digital rework station and dont know how to do soldering work on smartphone circuits and technical details read this blog post

Some Common Uses of Analog Hot Air Station in Cell Phone Repair




Now how to resolder the components


to work on small components. moved up the knob of heater option to number two.
the knobs number are actually 100, 200 so uses it carefully
set on 200
You can also move it to three if you need. one thing very important that the numbers you'll see around the knobs are actually 100, 200, and 300 so you should very careful via using this. If you move the knob to Number two it means 200 and a midpoint is 250. for big components, You turn it on to three and keep air mini. what is mini?
hot air station air knobs number are actually 300, 400 so use it carefully
set on 250
mini means that you keep air position on the analog hot air station between two and three.

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Lessons About Hot Air Station You Can Learn From mobile technician
hot air gun mobile repairing
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Now Doing Soldering Practical on Mobile Phone Circuit

learn to unsolder then solder the component in a mobile phone circuit
p sign is the component
Apply solder flux on the components to be unsoldered.

Flux soldering paste use

flux soldering paste use
Soldering flux

soldering flux is a liquid paste which is applied at the edges of all IC integrated circuits before resoldering or moving. smd hot air rework station heating and hot air help melt solder paste into the IC beneath.
Solder flux is great for all of your solder, desolder, rework and reflow purposes! For those of you unfamiliar, flux solder flow cleanly onto the parts you are soldering
Solder Flux Demonstration
Then you close it to your component for heating as well as touch the device to absolves the components works or not and keep giving heat.
close the handle to your component for heating the components works or not and keep giving hot air
Heating Component Demonstration
when it gets too much hot Then leave it from the tweezer slowly.
use tweezer to move component form phone circuit is easy
tweezer demonstration
As you can see in the image hold the component from the tweezer and move it very slowly by using
finger while giving heat by smd hot air gun continuously the component will separate when silver shine comes as you see in the image.
giving heat by hot air station continuously to component then it corners get silver shine
it gets separate
The same process you can do for adjustment
apply soldering flux and heat both ends of the component with the hot air station
resoldering demonstration
put the component on the place and give heat gives silver shine.
resoldering is great for rework and reflow of current properly in the circuit
resolder component
in this image, there are too many components but don't use the heat gun in complicated areas As you can see, these parts that are fixed on the side can easily move or separate by the Heat gun
Samsung S6 circuit components highlighted in this image
complicated area is highlighted red in color
but using a heat gun in a complicated area are not allowed.

Now Doing Soldering Practical on All Mobile Phone IC circuits


to solder IC You keep your heat gun heater knob on and keep Air Normal in this picture these ICs
You can see in this picture these types of cell phone solder IC can resolder or remove by hot air station
IC is highlighted in red
can easily be removed so set your heat gun on 350 and keep Air Normal If you have too much
Rework Station for desoldering and soldering of IC mobile phone repairing
heat can set on 350
wait for heating that as per need heat can be little increased


Heat Resistant Tape
3m high temperature adhesive tape
High Temperature Adhesive Tape


heat resistant tape is easily available in markets. this tape absolves heat.
If you give other components sudden heat the components can get damaged due to thermal shock. the heat resistant tape is used to save them
apply tape like this
Means if you apply on a specific component, those components do not get hot.

Now Doing Soldering Practical on Microchips


Usually, nowadays microchips are not used in a smartphone.
Soldering Microchip by hand soldering using hot air station for mobile phone repairing is good
this is microchip
In the picture, you'll see it. It can be called the microchips. to remove microchips.
soldering and unsoldering Microchip pet your heat gun on knob on high temperature
Drag soldering
Your heater should be on 4.5 and air would be in normal like med. Remember that you will have to revolve your heat gun while working.
revolve your solder station while working do not use in one position at a time
demonstration of revolving
revolving means do not use a heat gun in one position at a time. It must be move or evolve.


Now Doing Soldering Practical on BGA IC Integrated Circuits


Rework Station also called BGA Rework Station. Rework Station also called BGA Rework Station.
To work on balls grid array IC you have to use some additional mobile repair tools and components
to give heat from the bottom on the IC.



BGA ICs means dose ICs that are punched by machines on a circuit and fixed the corners
pasted BGA ICs punched by machines on a circuit and fixed the corners by glue
pasted IC image
with any kind of glue. To remove this IC. Take a knife that is used in a biological laboratory and feed it
until unless it gets red from the front. remember one thing that paste must use in fixing chips, so take the
hated knife and place it slowly, slowly
as you'll see in the video in this process hated a knife easily move into the chip. This BGA chip, similarly
remove as previous you're a
set rework station heater on four point five and hot air on normal position
for unsolder BGA IC
hater should be on 4.5 and air would be a normal like med use paste and remove the chip but if you place
this BGA chip to another circuit, then you will have to make balls.
BGA Rework Station using some additional equipment like Pre-heater to give heat from the bottom on IC
the Balls have gone
Ball making work is very expensive and demandable.
If you can hand solder a BGA-packaged IC, requires a master solderer involving flux, templates and BGA paste
reballing tools
in the image, This is called BGA Kit.
bga reballing stencil template
bga stencil kit

the black paper you'll see is that different Stencil. now Put down the IC under that stencil,
you can use screw driver to hold the IC on template during reballing
use screwdriver
then you will do it. It becomes balls for pasting the IC.
emmc reballing kit
BGA Reballing Paste
This liquid is the best.
this tool is used to fill the holes on the template with the BGA paste
tool to fill the holes
This paste works perfectly and this is strong also as you are watching the process

UV Professional paste
Professional Soldering Paste
when you heat the IC by rework station the paste become balls
heating BGA with rework station

to remove the IC is the same as you have already seen, but this is very fragile so the heat it lightly
holding air on normal position and heat it with 350 temperature
use low air pressure
in this process Keep the air in mad then move it on 3 while working and heat must be in between
3 to 4 when
when the BGA IC balls is ready after giving heat it look like this
IC Balls ready
You'll see the little bubbles while heating apply this paste

it means the IC is resoldering Now Stop the heat gun and wait for IC to get Cool.
Use tweezer to postion the Integrated Circuit and to see the ready balls on the BGA
hold with tweezer
use a magnifying glass to see the BGA IC balls before resoldering on the mobile phone circuit
BGA IC balls magnifying glass view  
To know the reasons for ICs getting dry soldered read this blog post



Now Doing Soldering Practical on Filter IC

to resoldering Voltage Controlled Oscillator on mobile phone circuit always used hot air station
also called VCO IC
These filter ICs. to remove These move heater point on 4.5 and if needed, move to 5 and air always normal.
to solder Voltage Controlled Oscillator on phone circuit set smd gun heater knob on 4
for removing filter ic 
When IC is removed it looks like this as an image
to removing crystal clock oscillator form mobile phone circuit set hot air station on 5
when remove
As you can see these walls are clean by using the soldering iron.
to clean Voltage Controlled Oscillator IC print on the mobile phone circuit use soldering iron
solder wire to clean
Then it places under that kind of net.
hold Power clock Oscillator IC by tweezer and then apply the heat by the hot air gun
apply the heat by hot air station
As these silver prints can be seen then pays the pump bob that is available in the market hold
the circuit by using a screwdriver and then apply the heat by the heat gun.

if you want to know more about soldering iron, solder station and new mobile repairing tools special price
like desoldering tweezers How to Use Them read this article on Micro Soldering Repair Training


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