8.2.14

MOBILE PCB OK CONDITION

HOW TEST OF PCB...OK CONDITION -THERE ARE FOUR TYPE CONDITION OF  MOBILE PCB,(1)-SHORT CONDITION-SET M/M ON BUZZ MODE.SET M/M LEED ON NAGETIVE AND POSITIVE POINT OF BATTERY CONNECTOR OF MOBILE PHONE ,IF BEEP THEN PCB IS SHORT,.(2),.LEAKAGE CONDITION-SET M/M LEED ON BATTERY CONECTOR OF PCB IF SHOWS SOME VALUE BOTH SIDE THEN PCB IS OPEN ,.(3)OPEN CONDITION-IF  M/M SHOWS NO VALUE THEM PCB IS OPEN ,.
OK CONDITION OF MOBILE PCB--SET M/M BLACK LEED ON POSITIVE POINT OF BATTERY CONECTOR AND RED LEED ON NAGETIVE  POINT OF BATTERY ,READ VALUE AND THEN CHANGE DIRECTION OF M/M LEED NOW READ VALUE,ONE SIDE SHOWS SOME VALUE AND ANOTHER SIDE NO VALUE THEN PCB IS OK

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