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Good or Bad Vas5054A
24-11-2018, 22:12 PM,
Post: #267
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RE: Good or Bad Vas5054A
Here is the reworked one for me. I replaced TJA1055T(fake TJA1054AT), TJA1057(counterfeit TJA1057), 10ns 5V SRAM (3.3V 70ns Samsung), LT3010EMS8E-5 (cheap 78L05 three-leg linear regulator), 0603ESDA2-TR2(missing ESD Suppressors for USB). OKI and AU5780A are removed. All are genuine came from a trusted distributor. The micro controller under the sticker is 16F40F. I will keep all resistors as SMD resistors are good enough on digital circuits. AMB2300 is not original but it works til ~1.20.41. I wish I could change the serial.
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