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  1. Battery Tester 01 – Topdon BT200

    by , 23-05-2023 at 11:24 AM (Today at Atelier Kaz - Private NSX Enthusiast, ex-Honda R&D engineer with F1, Indy/CART background)








    Following on from the last blog on the Jump Battery, another battery related topic.

    First, as mentioned many times, please keep your battery in good condition.
    Otherwise, it could damage your alternator indirectly.

    It’s like the question of which one was first, the chicken or the egg?


    One day, you found that you had to jump start the car due to weak battery.

    ...

    Updated 23-05-2023 at 11:51 AM by Kaz-kzukNA1 (extra info)

    Categories
    Electronics , Personal View/Self Talk
  2. Gooloo GT4000 - Jump Starter 03

    by , 14-05-2023 at 12:17 PM (Today at Atelier Kaz - Private NSX Enthusiast, ex-Honda R&D engineer with F1, Indy/CART background)
  3. Gooloo GT4000 - Jump Starter 02

    by , 14-05-2023 at 12:07 PM (Today at Atelier Kaz - Private NSX Enthusiast, ex-Honda R&D engineer with F1, Indy/CART background)






    Addition to the lithium ion battery one, I also have the ultracapacitor based jump starter.
    Autowit SuperCap 2

    Over the last 3 years, I ended up helping many drivers especially the owners of hybrid cars.

    Because of the lockdown and many restrictions, people didn’t drive regularly and these electric and hybrid cars suffered a lot for not being driven regularly.

    When they started using their cars
    ...
  4. Gooloo GT4000 - Jump Starter 01

    by , 14-05-2023 at 11:56 AM (Today at Atelier Kaz - Private NSX Enthusiast, ex-Honda R&D engineer with F1, Indy/CART background)








    Finally, Japan lifted all of the restrictions over the pandemic last Monday.
    For someone contributed majority of one’s time on the analysis and simulation for the authorities, it was a big milestone.

    Still, it highlighted the pros and cons of medical/health system in Japan.

    Personally, I don’t think the government learnt the lesson from other countries and if similar thing happens again, the system
    ...
  5. Radio Head Unit - Repair II

    .. continuation of Radio - Repair

    Too little Volume and Distortions increasing with Volume

    Observed on: 1 EUDM Radio
    Fixed by: OP amp replacement
    State: Fully understood

    The audio signal path on these radios is fully analogue with several operational amplifiers at various stages. One of them is IC303, a 20 V, 10 MHz quad operational amplifier from JRC/NJM: NJM2060M.

    Click image for larger version. 

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    IC303 at the rear end of the lower PCB
    ...

    Updated 12-07-2023 at 09:28 PM by Heineken

    Categories
    Uncategorized
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