z520 keys 1,4,7 and * not working - GSM-Forum

btyazoo · 03-17-2006, 15:00

guys, i have a z520i in which the keys 1, 4, 7 and * are not working. checked for water damage but all was ok.

any solutions\

thanks

fonecellar · 03-18-2006, 22:23

Quote:

Originally Posted by btyazoo

guys, i have a z520i in which the keys 1, 4, 7 and * are not working. checked for water damage but all was ok.

any solutions\

thanks

there is an ic that serves these buttons, its damaged to find is difficult, you will have to check board thoroughly,

gsm.phone · 03-18-2006, 22:45

first chek and rechek for water damage on the PCB. Clean the keyboard correctly.
chek the line of matrix of kekboarb ( continuity).

if not reply to pass to another phase of repair.

03-17-2006, 15:00	#1 (permalink)
btyazoo Freak Poster Join Date: Sep 2003 Posts: 111 Member: 38962 Status: Offline Thanks Meter: 3	*z520 keys 1,4,7 and not working** guys, i have a z520i in which the keys 1, 4, 7 and * are not working. checked for water damage but all was ok. any solutions\ thanks

Thread Tools
Show Printable Version Email this Page
Display Modes
Linear Mode Switch to Hybrid Mode Switch to Threaded Mode

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
K810 key 4,7,9,*,# not work????	Mr. JePoY	Sony Ericsson Hardware Repair	11	07-30-2008 21:06
6280 Key 1,4,7 not working	BVC-PROJECT	Nokia Base Band 5 ( BB-5 )	1	08-18-2006 19:46
keys 1 4 7 * not working	f_huba	Siemens Hardware Repair Area	2	07-07-2006 08:45
6230i keys 1-4-7-* and side keys	sjakie	Nokia Hardware & Hardware Repair	1	10-09-2005 04:09
8310 keyboard 1,4,7, and # not working	Peter_Muir	Nokia Hardware & Hardware Repair	17	04-12-2005 22:45

03-18-2006, 22:45	#3 (permalink)
gsm.phone Crazy Poster Join Date: Jan 2005 Age: 46 Posts: 54 Member: 104016 Status: Offline Thanks Meter: 0	first chek and rechek for water damage on the PCB. Clean the keyboard correctly. chek the line of matrix of kekboarb ( continuity). if not reply to pass to another phase of repair.