Products > Test Equipment

TC1 lcr-meter transistor-tester fix

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madires:
Then give it a try and add the two MLCCs.

cuistots:
the mlcc is already on the board.
i don't understand the problem  ??? ???

madires:
Power the display module with 5V and check the output of the 3.3V regulator.

indman:

--- Quote from: cuistots on April 05, 2020, 11:13:46 am ---the mlcc is already on the board.
i don't understand the problem  ??? ???

--- End quote ---
If 3.3V regulator normaly works - with a very high probability, the source of this problem may be a malfunction of the U1 level converter chip
What is the marking on her case?

cuistots:
this u1

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