1800 only 6, 9 buttons not working - GSM-Forum

alleti · 11-04-2010, 15:16

1800 only 6.9 buttons not work

RAVI_SINGH · 11-04-2010, 16:47

keypad ic problem change it .

dedeyk · 12-12-2010, 03:03

Quote:

Originally Posted by RAVI_SINGH

keypad ic problem change it .

please take a look 1800 schematic,no keypad ic in this set..

AMEERGUL · 12-12-2010, 06:11

[IMG]http://3.bp.********.com/_haRAPmO1Seg/TGfXhVb5DBI/AAAAAAAAAZ8/uOre-mQGc-k/s320/nokia+1616+keypad+ways.jpg[/IMG]
You may start to check each particular keys which stop to responds or unable to function.
Each keys are connected to a particular group or set of rows and columns.
If all the keys in a particular row or column the problem may possibly lies on the application processor IC, The application processor is the one that controls and the keypad circuit.
If only one or two keys does not work, you may consider it that the problem lies on the key connection lines. If this happen you can mend it by applying a tiny jumper wire to the particular group of rows and columns of where that particular key is being connected. In keypads troubleshooting if one or two keys stop responding, you can consider it that the said keys is being cut to its particular groups of key column and rows.
Outer core connected keys
row a = Right, 7, Send, Left
row b = 9, Up, Down, Soft left
row c = 3, 6, Soft right, #
row d = 2, 5, 8, 0
row e = 1, 4, *

Inner core connected keys
column a = Right, 9, 3, 2, 1
column b = 7, Up, 6, 5, 4
column c = Send, Down, Soft right, 8
column d = Left, Soft Left, #, 0, *

AMEERGUL · 12-12-2010, 06:13

[IMG]http://3.bp.********.com/_haRAPmO1Seg/TGfXhVb5DBI/AAAAAAAAAZ8/uOre-mQGc-k/s320/nokia+1616+keypad+ways.jpg[/IMG]
You may start to check each particular keys which stop to responds or unable to function.
Each keys are connected to a particular group or set of rows and columns.
If all the keys in a particular row or column the problem may possibly lies on the application processor IC, The application processor is the one that controls and the keypad circuit.
If only one or two keys does not work, you may consider it that the problem lies on the key connection lines. If this happen you can mend it by applying a tiny jumper wire to the particular group of rows and columns of where that particular key is being connected. In keypads troubleshooting if one or two keys stop responding, you can consider it that the said keys is being cut to its particular groups of key column and rows.
Outer core connected keys
row a = Right, 7, Send, Left
row b = 9, Up, Down, Soft left
row c = 3, 6, Soft right, #
row d = 2, 5, 8, 0
row e = 1, 4, *

Inner core connected keys
column a = Right, 9, 3, 2, 1
column b = 7, Up, 6, 5, 4
column c = Send, Down, Soft right, 8
column d = Left, Soft Left, #, 0, *

sabirsultan · 06-23-2011, 07:50

http://www.u2ugsm.com/blog/wp-conten...Pad-Ways-1.jpg

sabirsultan · 06-23-2011, 07:50

http://4.bp.********.com/-j78Ji92jOt...eypad+ways.jpg

gs8 · 08-12-2011, 14:29

spice 4580 charging conector point

11-04-2010, 15:16	#1 (permalink)
alleti Major Poster Join Date: Oct 2007 Posts: 41 Member: 601957 Status: Offline Thanks Meter: 6	1800 only 6, 9 buttons not working 1800 only 6.9 buttons not work

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11-04-2010, 16:47	#2 (permalink)
RAVI_SINGH Registered User Join Date: Dec 2009 Location: p A k I s T a N Posts: 1,400 Member: 1178981 Status: Offline Sonork: 100.1596342 Thanks Meter: 500	keypad ic problem change it .

12-12-2010, 06:11	#4 (permalink)
AMEERGUL No Life Poster Join Date: Jan 2008 Location: karoondi khairpur pakistan Posts: 965 Member: 669947 Status: Offline Sonork: 100.1614053 Thanks Meter: 157	[IMG]http://3.bp.*******.com/_haRAPmO1Seg/TGfXhVb5DBI/AAAAAAAAAZ8/uOre-mQGc-k/s320/nokia+1616+keypad+ways.jpg[/IMG] You may start to check each particular keys which stop to responds or unable to function. Each keys are connected to a particular group or set of rows and columns. If all the keys in a particular row or column the problem may possibly lies on the application processor IC, The application processor is the one that controls and the keypad circuit. If only one or two keys does not work, you may consider it that the problem lies on the key connection lines. If this happen you can mend it by applying a tiny jumper wire to the particular group of rows and columns of where that particular key is being connected. In keypads troubleshooting if one or two keys stop responding, you can consider it that the said keys is being cut to its particular groups of key column and rows. Outer core connected keys row a = Right, 7, Send, Left row b = 9, Up, Down, Soft left row c = 3, 6, Soft right, # row d = 2, 5, 8, 0 row e = 1, 4, Inner core connected keys column a = Right, 9, 3, 2, 1 column b = 7, Up, 6, 5, 4 column c = Send, Down, Soft right, 8 column d = Left, Soft Left, #, 0, *

12-12-2010, 06:13	#5 (permalink)
AMEERGUL No Life Poster Join Date: Jan 2008 Location: karoondi khairpur pakistan Posts: 965 Member: 669947 Status: Offline Sonork: 100.1614053 Thanks Meter: 157	[IMG]http://3.bp.*******.com/_haRAPmO1Seg/TGfXhVb5DBI/AAAAAAAAAZ8/uOre-mQGc-k/s320/nokia+1616+keypad+ways.jpg[/IMG] You may start to check each particular keys which stop to responds or unable to function. Each keys are connected to a particular group or set of rows and columns. If all the keys in a particular row or column the problem may possibly lies on the application processor IC, The application processor is the one that controls and the keypad circuit. If only one or two keys does not work, you may consider it that the problem lies on the key connection lines. If this happen you can mend it by applying a tiny jumper wire to the particular group of rows and columns of where that particular key is being connected. In keypads troubleshooting if one or two keys stop responding, you can consider it that the said keys is being cut to its particular groups of key column and rows. Outer core connected keys row a = Right, 7, Send, Left row b = 9, Up, Down, Soft left row c = 3, 6, Soft right, # row d = 2, 5, 8, 0 row e = 1, 4, Inner core connected keys column a = Right, 9, 3, 2, 1 column b = 7, Up, 6, 5, 4 column c = Send, Down, Soft right, 8 column d = Left, Soft Left, #, 0, *

06-23-2011, 07:50	#6 (permalink)
sabirsultan Freak Poster Join Date: Sep 2007 Posts: 463 Member: 581417 Status: Offline Thanks Meter: 100	http://www.u2ugsm.com/blog/wp-conten...Pad-Ways-1.jpg

06-23-2011, 07:50	#7 (permalink)
sabirsultan Freak Poster Join Date: Sep 2007 Posts: 463 Member: 581417 Status: Offline Thanks Meter: 100	http://4.bp.********.com/-j78Ji92jOt...eypad+ways.jpg

08-12-2011, 14:29	#8 (permalink)
gs8 Junior Member Join Date: Aug 2010 Posts: 3 Member: 1364132 Status: Offline Sonork: gsmgary.com Thanks Meter: 0	spice 4580 charging conector point