View Full Version : s25 ,,,network problem
sometimes Tx work perfect ,,but sometimes no Tx ,,phone have good receiving ,,signal is displayed but oscilate because phone have no Tx,,I changed PF ,,reflow all PCB ,,,also change new Dalas chip ,, and phone work perfect after this 3 to 5 hours and return back same symptoms ,,,! signed in front of provider name
Hi, misel!<br />Go to the bottom setion. Check coil and transistor betwee Dialog chip and coil.<br />Thats all
Hi!<br />I have forgotten! :-)<br />Check the soldering of large capacitor (C25) or group of capacitors (S25).<br /> <img src="smile.gif" border="0"> <img src="smile.gif" border="0"> <img src="smile.gif" border="0">
problem is solved ,,, phone now working well ,,but I must change 3 times PA module ,,and definitly now phone work OK ,,(Hitachi PF is electrostatic sensitive) all PA which I use , is new, but maybe factory bad and I have realy long and bad expirience with this phone ,,phone is in testing for a 3 days now and realy working 100% with OK ,,and strong Tx
that`s my expirience