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:
| Item NO. | Adapters/Parts | Adapters/Parts Functions | Quantity | Yanhua JLR KVM Soldering Assisted Package | Yanhua JLR KVM Soldering Toolkit Full Package |
| 1 | KVM chip limit board | Used to limit the location of the CPU chip on the KVM module | 1 | √ | √ |
| 2 | Air gun height limit board | For adjusting the height between the air gun and the chip | 1 | √ | √ |
| 3 | KVM soldering practice board | For practicing CPU chip removal and soldering | 1 | √ | √ |
| 4 | Chip sucker | For sucking up chips that need to be removed | 1 | √ | √ |
| 5 | Lead-free solder paste | For helping chips solder better | 1 | √ | √ |
| 6 | PCB board clip | For clamping PCB limit board | 1 | √ | √ |
| 7 | Paint remover and Contact cleaner | For removing the triple protection paint on the chip | 1 | √ | √ |
| 8 | Paint cleaning brush | For treatment of peeling three-proof paint | 1 | √ | √ |
| 9 | Solder paste brush | For brushing solder paste | 1 | √ | √ |
| 10 | Tweezers | For picking up chips heated by the air gun | 1 | √ | √ |
| 11 | Magnetic PCB fixing clips | For fixing KVM soldering practice board or KVM board of original car | 1 | √ | √ |
| 12 | Solder wire | For replenishing solder on pads | 1 | √ | √ |
| 13 | Desoldering wire | For cleaning excess solder | 1 | √ | √ |
| 14 | DES hot air gun (Chinese standard, American standard, European standard) | For heating KVM chip | 1 | × | √ |
| 15 | Hot air gun bracket | For fixing and adjusting the hot air gun | 1 | × | √ |
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
