a52-3,6,9 keys problem - GSM-Forum

TELE-MEDIA · 01-15-2005, 20:37

I have a problem with 3,6 and 9 keys, they don't work. I cleaned it in ultrasonic but it's still the same. What are the keys lines. Is it directly from processor like in older models or thru any resistors, capacitors?
BEST REGARDS
ZG

SPUnlock_SK · 01-15-2005, 20:58

directly from cpu, You must desolder CPU and repair broken tracks

BR

5o

TELE-MEDIA · 01-16-2005, 20:38

thank you for reply. maybe you know which points under cpu are responsible for this keys or you have any service manual for this phone? Thanks again
BR
ZG

mightym · 01-16-2005, 21:14

Try to find it on landys page

01-15-2005, 20:37	#1 (permalink)
TELE-MEDIA Freak Poster Join Date: Sep 2003 Location: Warsaw, Poland Age: 43 Posts: 271 Member: 38755 Status: Offline Thanks: 5 Thanked 3 Times in 3 Posts	a52-3,6,9 keys problem I have a problem with 3,6 and 9 keys, they don't work. I cleaned it in ultrasonic but it's still the same. What are the keys lines. Is it directly from processor like in older models or thru any resistors, capacitors? BEST REGARDS ZG

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01-15-2005, 20:58	#2 (permalink)
SPUnlock_SK No Life Poster Join Date: Jul 2002 Location: Slovakia Age: 32 Posts: 1,301 Member: 13922 Status: Offline Thanks: 22 Thanked 263 Times in 178 Posts	directly from cpu, You must desolder CPU and repair broken tracks BR 5o

01-16-2005, 20:38	#3 (permalink)
TELE-MEDIA Freak Poster Join Date: Sep 2003 Location: Warsaw, Poland Age: 43 Posts: 271 Member: 38755 Status: Offline Thanks: 5 Thanked 3 Times in 3 Posts	thank you for reply. maybe you know which points under cpu are responsible for this keys or you have any service manual for this phone? Thanks again BR ZG

01-16-2005, 21:14	#4 (permalink)
mightym Freak Poster Join Date: Dec 2002 Location: Serbia Age: 37 Posts: 148 Member: 18812 Status: Offline Thanks: 5 Thanked 1 Time in 1 Post	Try to find it on landys page