Products > Test Equipment
TC1 lcr-meter transistor-tester fix
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madires:
Please post a picture of the PCB to help figuring out which specific model you have and if it got a genuine ATmega.
tedris:
My board picture this thanks
madires:
Your T7 is an early version and has a genuine ATmega. Remove ZD1 (6.8V TVS) and DZ2 (SRV05-4) and try again. If the tester still shows "Cell" then the ATmega is damaged.
tedris:
hi i try it but not work it same. if i bought this chip is it run? it adapt my board? thanks for help sory my english is bad.
madires:
You can replace the ATmega and program an OSHW firmware. You'll also need to reprogram U4 or replace it with a simple two-transistor circuit.
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