Yanhua JLR KVM Soldering Toolkit is specially designed for
customers to solder and desolder 2018+ Jaguar Land Rover KVM (RFA module) MCU
processor chips easier and faster. There are two kinds of toolkits available at
obdexpress.co.uk. The
main difference is the full package has DES hot air gun and Hot air gun bracket.
You can choose any one according to your own need.

Yanhua JLR KVM Soldering Toolkit Comparison Table:
As the JLR KVM Soldering Toolkit Full Package has more tools, the
price is more expensive. It's 333 euro with 15 items, and another package is 210
euro with 13 items.
How to use Yanhua JLR KVM Soldering Toolkit to desolder/solder 2018+
JLR KVM?
Toolkits used: Yanhua JLR KVM Soldering Toolkit Full Package
1.Remove 2018+ JLR KVM chip
Apply Yanhua paint remover to the top of the chip and the
pins
After 30 seconds, you will see the protective paint start to peel off
Apply the paint remover to the pin area
After about 90s, you can start cleaning the chip with cotton.

Then clean the board with the Contact cleaner to avoid
corrosion of the board by paint remover
This is the effect after paint removal and cleaning.

Install the KVM chip limit board
Apply Solder paste to the chip pins
Use the temperature and the airflow adjustable Hot air gun
to desolder chip
Use PCB board clip to secure the chip limit plate
Use the Air gun height limit board to adjust the of height
of the hot air gun, 8m above the chip limit board

Adjust the air volume to 8 gear
Adjust the preheating temperature to 250℃
Start the Hot air gun, keep the temperature at 250℃, preheat
for 90 seconds
After 90 seconds, raise the temperature to 420℃, and heat
for 25 seconds

At this point, use Tweezers to hold one corner of the chip.
When the chip is loose, and clip up the chip.
About 25 seconds, the chip is close, remove the Air gun and
clip up the chip.
Clean the bottom and pins of the chip with Yanhua paint
remover
Then clean the board with the Contact cleaner to avoid
corrosion of the board by paint remover
There is the original plate solder on the pad, please check whether there is
short circuit between the board.

Video guide:
https://youtu.be/AjZyT21saWg
2.Solder 2018+ JLR KVM chip
Apply the Solder paste to the chip pad
Install the KVM chip limit board

Use Clamp to secure the chip limit plate
Use Yanhua proprietary chips, Yanhua has added solder for the chip pin before
delivery
Gently place the chip into the Chip limit plate
Please note the chip pin direction
The dimple on the chip is pin1

Apply Solder paste to the chip pins and the top of the
chip
Check that the chips are placed correctly
Use the temperature and the air volume adjustable Hot air
gun to below and solder chip
Use the Air gun height limit board to adjust the of height
of the hot air gun, 8m above the chip limit plate

Adjust the air volume to 8 gear
Adjust the preheating temperature to 250℃°
Start the hot air gun, keep the temperature at 250℃, preheat for 90
seconds
After 90 seconds, raise the temperature to 340℃, and heat
for 25 seconds

About 25 seconds, please shut down and remove the air gun
Use the Contact cleaner to clean the solder paste on the
chip
This is final result after welding and cleaning.

Video guide:
https://youtu.be/5_QH4CojmTQ
Yanhua JLR KVM Soldering Assisted Package without DES hot air gun and bracket
(€210 + free shipping):
https://www.obdexpress.co.uk/wholesale/yanhua-jlr-kvm-soldering-assisted-package.html
Yanhua JLR KVM Soldering Toolkit Full Package with DES hot air gun and
bracket (€333 + free shipping):
https://www.obdexpress.co.uk/wholesale/yanhua-jlr-kvm-soldering-toolkit-full-package.html
www.obdexpress.co.uk