T28 No access after change PA Hi Friends<br />T28 whith Network but no access (no call) after change PA<br />are there some operation to do after change this PA<br />regards |
hi ., <br />u must check as follow<br />1- antenna switch <br />2- the tx part below the pa<br />3- the r051 it s read will<br />4- the external antnna |
And maybe bad PA or bad contact under power supply chip... |
Poor soldering or damaged PA by overheat.. WBR<br />Crew [quote]Originally posted by fm:<br /><strong>Hi Friends<br />T28 whith Network but no access (no call) after change PA<br />are there some operation to do after change this PA<br />regards</strong><hr></blockquote> |
Yes, exactly poor soldering, damaged or bad PA.<br />Before changing PA again, try to rehot it pressing it slightly to PCB |
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