Launch DiagunR71 resistor PCB rework

Topic: Damaged main board R71chip of Launch Diagun. (Professional advice needed.)

 

I bought used Launch Diagun and one of them has damaged the main board. On/off switch needs soldering and below that switch there is a tiny chip called R71, which broke off for previous user.

Does it contain any specific information/data for diagun or is it generic and interchangeable chip which i could take from a different kind of chipboards? I mean, as long as the name of the chip is the same R71, can I take that R71 chip from not diagun board and use it in diagun?

If not, can it be programmed and then used in diagun?

Sorry, I have no clue about chips and looking for professional advice. Thank you in advance.

 

 

Reply:

R71 is a 100 kOhm SMD resistor, can desolder it from any electronics, it is usually marked “104”.

If Launch Diagun freezes, common problem with firmware, flash needs to be reprogrammed.

 

Here you go…THE LATEST AND MOST CLEAR PICTURES:
Damaged PCB diagun
Launch Diagun Chip repair 1 preview 600x338 - Launch DiagunR71 resistor PCB rework - Launch DiagunR71 resistor PCB rework Launch Diagun Chip repair 1a preview 600x338 - Launch DiagunR71 resistor PCB rework - Launch DiagunR71 resistor PCB rework Launch Diagun Chip repair 1b preview 600x338 - Launch DiagunR71 resistor PCB rework - Launch DiagunR71 resistor PCB rework Launch Diagun damaged pcb preview 600x450 - Launch DiagunR71 resistor PCB rework - Launch DiagunR71 resistor PCB rework Launch Diagun DSC 0051 preview 600x338 - Launch DiagunR71 resistor PCB rework - Launch DiagunR71 resistor PCB rework

Freezing Diagun no1
Launch Diagun Freezing 1 preview 600x338 - Launch DiagunR71 resistor PCB rework - Launch DiagunR71 resistor PCB rework Launch Diagun frozen 20160714 232511 preview 600x450 - Launch DiagunR71 resistor PCB rework - Launch DiagunR71 resistor PCB rework

Freezing Diagun no2

Launch Diagun Freezing 2 preview 600x338 - Launch DiagunR71 resistor PCB rework - Launch DiagunR71 resistor PCB rework Launch Diagun frozen 20160714 232317 preview 600x450 - Launch DiagunR71 resistor PCB rework - Launch DiagunR71 resistor PCB rework
Here is chip code and I was told by ‘Gazownik’ on this site that R71 is 100kOhm resistor.

Launch Diagun DSC 0531 preview 600x338 - Launch DiagunR71 resistor PCB rework - Launch DiagunR71 resistor PCB rework

Hope that this helps. Thanks.

 

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