M55 key 1,2,3 not work - GSM-Forum

balmy · 08-14-2005, 10:20

M55 key 1,2,3, not work
1. I reball CPU
2. Clean with alcohol 98%
Any idea?

opo · 08-15-2005, 00:13

Look here you have some schematics http://www.decoder.wz.cz/?p=3
Anyway 1.2.3 key have some comun wire, you have to find some other phone and see where the wire is broken, or at last posibility is to make wire from that comun whire to CPU
BR

Chris02 · 08-15-2005, 21:37

You also changed keyboard pcb?

soma1 · 09-18-2005, 15:03

Same problem!

Any concrete solution?

Regards

Chris02 · 09-18-2005, 15:45

Quote:

Originally Posted by soma1

Same problem!

Any concrete solution?

Regards

It would be great if you tell us what you have already done!

soma1 · 09-18-2005, 18:53

Quote:

Originally Posted by Chris02

It would be great if you tell us what you have already done!

Already done?

Same steps like @balmy!!! And no effect....

Chris02 · 09-18-2005, 19:17

Already changed keyboard pcb?

bmg · 09-21-2005, 18:55

rehot CPU
100% work

08-14-2005, 10:20	#1 (permalink)
balmy Junior Member Join Date: Jan 2005 Age: 51 Posts: 1 Member: 107805 Status: Offline Thanks Meter: 0	M55 key 1,2,3 not work M55 key 1,2,3, not work 1. I reball CPU 2. Clean with alcohol 98% Any idea?

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08-15-2005, 00:13	#2 (permalink)
opo No Life Poster Join Date: Oct 2002 Location: Shenzhen China Age: 68 Posts: 1,074 Member: 16350 Status: Offline Sonork: 110823 Thanks Meter: 42	Look here you have some schematics http://www.decoder.wz.cz/?p=3 Anyway 1.2.3 key have some comun wire, you have to find some other phone and see where the wire is broken, or at last posibility is to make wire from that comun whire to CPU BR

08-15-2005, 21:37	#3 (permalink)
Chris02 No Life Poster Join Date: Oct 2003 Location: Germany Age: 37 Posts: 5,196 Member: 41076 Status: Offline Thanks Meter: 53	You also changed keyboard pcb?

09-18-2005, 15:03	#4 (permalink)
soma1 Insane Poster Join Date: Apr 2005 Location: Republic of SRPSKA Age: 47 Posts: 58 Member: 140697 Status: Offline Thanks Meter: 0	Same problem! Any concrete solution? Regards

09-18-2005, 19:17	#7 (permalink)
Chris02 No Life Poster Join Date: Oct 2003 Location: Germany Age: 37 Posts: 5,196 Member: 41076 Status: Offline Thanks Meter: 53	Already changed keyboard pcb?

09-21-2005, 18:55	#8 (permalink)
bmg Freak Poster Join Date: Jun 2004 Location: BULGARIA Age: 46 Posts: 176 Member: 67488 Status: Offline Thanks Meter: 1	rehot CPU 100% work