Keypad problem R220 (call button,soft keys,C button) - GSM-Forum

amaresh12000 · 02-01-2005, 00:06

can someone guide me for the key pad problem i.e,call,softkeys,c buttons not functioning in R220.
Thanks

Jocke · 02-02-2005, 11:27

check all EMI filters.

Nasr · 04-06-2006, 15:11

Jocke
pls can you tell me where EMI filter is?
nasr

jamohaki · 01-10-2007, 11:58

i have same problem could somebody post a picture for the filters plaese????

naderhacker · 01-10-2007, 13:57

try to remove the smal capictors near leads as in c200

bugztronic · 05-19-2007, 10:00

@naderhacker

hi sir

ill have the same problem the above post of mr. amaresh

where the exact location of that capacitor. every lead of r220 have capacitor, so wheres the one.....

02-01-2005, 00:06	#1 (permalink)
amaresh12000 Junior Member Join Date: Jan 2005 Age: 40 Posts: 25 Member: 109269 Status: Offline Thanks Meter: 1	Keypad problem R220 (call button,soft keys,C button) can someone guide me for the key pad problem i.e,call,softkeys,c buttons not functioning in R220. Thanks

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02-02-2005, 11:27	#2 (permalink)
Jocke No Life Poster Join Date: Sep 2003 Location: Sweden Age: 51 Posts: 963 Member: 38782 Status: Offline Thanks Meter: 9	check all EMI filters.

04-06-2006, 15:11	#3 (permalink)
Nasr Junior Member Join Date: Jun 2004 Posts: 37 Member: 67558 Status: Offline Thanks Meter: 0	Jocke pls can you tell me where EMI filter is? nasr

01-10-2007, 11:58	#4 (permalink)
jamohaki No Life Poster Join Date: Sep 2004 Location: coast Age: 52 Posts: 2,097 Member: 83397 Status: Offline Thanks Meter: 204	i have same problem could somebody post a picture for the filters plaese????

01-10-2007, 13:57	#5 (permalink)
naderhacker Freak Poster Join Date: Apr 2001 Location: EVRYWERE Posts: 492 Member: 4365 Status: Offline Thanks Meter: 39	try to remove the smal capictors near leads as in c200

05-19-2007, 10:00	#6 (permalink)
bugztronic Freak Poster Join Date: Sep 2006 Location: Queen City Age: 48 Posts: 109 Member: 346257 Status: Offline Thanks Meter: 25	@naderhacker hi sir ill have the same problem the above post of mr. amaresh where the exact location of that capacitor. every lead of r220 have capacitor, so wheres the one.....