k750i keypad - GSM-Forum

raghavkumbha · 05-25-2008, 07:12

sir k750i some keys(3,6,9,1,2,down,right scroll) not working , on off is not working when i want to switced off the set , then battery out and again in and switched the set on the on off switch working fine , what is the problem sir thanks in advance.

MorfeusJohn · 05-25-2008, 07:24

Replace the keyboard ESD-filter Z2450.

ka jagan · 05-25-2008, 07:33

Quote:

Originally Posted by raghavkumbha

sir k750i some keys(3,6,9,1,2,down,right scroll) not working , on off is not working when i want to switced off the set , then battery out and again in and switched the set on the on off switch working fine , what is the problem sir thanks in advance.

change keypad ic near joy stick ic was 6600 display ic ...............

mazmaz1 · 05-25-2008, 08:42

all right
change keypad ESD filter ic
it is near the joy in right side
its 25 pin chip that use in many models of nokia or sony erricson.

FEATURE GSM™ · 05-25-2008, 21:16

Quote:

Originally Posted by mazmaz1

all right
change keypad ESD filter ic
it is near the joy in right side
its 25 pin chip that use in many models of nokia or sony erricson.

THE PROBLEM IS 100% WORKING HER

ak031988 · 05-28-2010, 14:19

Quote:

Originally Posted by MorfeusJohn

Replace the keyboard ESD-filter Z2450.

replaced kry filter joystick but no solution.any other solution pls.thanks in advance

05-25-2008, 07:12	#1 (permalink)
raghavkumbha Junior Member Join Date: Nov 2007 Posts: 22 Member: 628996 Status: Offline Thanks Meter: 0	k750i keypad sir k750i some keys(3,6,9,1,2,down,right scroll) not working , on off is not working when i want to switced off the set , then battery out and again in and switched the set on the on off switch working fine , what is the problem sir thanks in advance.

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05-25-2008, 07:24	#2 (permalink)
MorfeusJohn Major Poster Join Date: Oct 2006 Location: Russia, Rostov-on-Don Age: 41 Posts: 42 Member: 374419 Status: Offline Thanks Meter: 61	Replace the keyboard ESD-filter Z2450.

05-25-2008, 08:42	#4 (permalink)
mazmaz1 Freak Poster Join Date: Aug 2006 Posts: 477 Member: 339455 Status: Offline Sonork: 100.1589401 Thanks Meter: 86	all right change keypad ESD filter ic it is near the joy in right side its 25 pin chip that use in many models of nokia or sony erricson.