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Forum Post: got damage at pulser IC in Tx_sdk_v1

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Hi,

    When I connected the complete setup of TX_sdk_v1 to PC, led was on in opall kelly board but DOTP1 led in Trasmit solution board was off. Is it indicates any problem in board.

      And then I followed manual for the steps to use Tx_sdk_v1. At power up sequence step I gave VSUB as -50v which is equal to -50v dc power supply. And next according to power sequence step actually I need to switch on 3.3v supply but mistakenly I gave less than 3.3v i.e 1.8v and current limit turned on max limit. Then I got smoke at pulser 80th pin. please tell me why pulser got damaged is it means that it is damaged or else any other  any other mistake i did. If  it is damaged can replace with other lm96550, is it possible? 

      And also I am getting one more problem that is I had setup the dc 1.8v but when I was giving it to Tx_sdk_v1 the voltage was getting drop to 0.7v and current is .96amps drawing please tell me what would be the problem.

   please help me.

thanks.

regards,

chandu. 


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