Explay A400 S6041 Service Manual
Power Amplifier
SIM circuit
CANNOT POWER ON-CURRENT SWING INSTABILITY
CANNOT POWER ON-LARGE CURRENT
REPAIR FLOW FOR PHONE DEAD
NO DISPLAY OR DISPLAY ABNORMALITY
INSERT SIM REPAIR PROCESS
N0/WEAK SIGNAL TROUBLE SHOOING
NO/LOW SOUND FROM SPEAKER
RECEIVER LOW VOICE OR NO VOICE
NO/LOW SOUND FROM MIC
DOES NOT CHARGE – NO CHARGE IN
CAN’T READ T-FLASH CARD
WIFI?BT?FM ?GPS DEFECT REPAIR FLOW CHART...