Products > Test Equipment

TC1 lcr-meter transistor-tester fix

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njsw88:
ok thankyou i will check

MarkMLl:

--- Quote from: njsw88 on February 07, 2024, 03:12:28 am ---what about RS Components

--- End quote ---

They unilaterally cancelled half of one of my orders after assuring me on the 'phone that they were able to fill it. 'Nuff said? :-/

MarkMLl

njsw88:
hi again guys ok the Volts are 3.2v and the amps are 0.3 on the U3 CH340N chip it cam on and stayed on, but i notice that the MEGA928P got hot but could not feel any other chips getting hot, any ideas ? or is it the MEGA928P chip that needs replacing, thanks Shane

madires:
Another common problem is a bad SRV05-4 (U6 in your case, near the ZIF). If it's shorted it would also impact the MCU. Remove U6 and see if it helps.

njsw88:
ok thankyou i will give it a go thanks again

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