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shiljo
06-23-2004, 11:00
...have full network bars and can not make calls or to be called.
Tried with software solutions,checked PA,ant. switch,ext.ant. connector,ant. connector,etc..."limited service" remains.

Phone have is not watter or phisical damaged, it is used about 4 months.

Somebody have good advice for this ?

Thanks
Shiljo
~:Sujyot GSM Zone:~
06-23-2004, 11:04
Try to repair the IMEI
shiljo
06-23-2004, 11:31
Try to repair the IMEI

Tried already...all the same!

This is HW problem 99%...this morning I tried phone again,call can be made,but after many tries...

Thanks for reply!
globeroma
06-23-2004, 18:23
it tries to change IC U101..... ;)
kimichan
06-24-2004, 07:45
correct, to replace Ic U101 is solution. I did over 20 pieces!
shiljo
06-24-2004, 12:10
VCO replaced (used one from working phone),phone still have same problem...
ARC
06-25-2004, 10:06
Replace Antenna GSM, Fixed
Victel UA
06-25-2004, 13:56
VCO replaced (used one from working phone),phone still have same problem...
U101 by kimichan & Globeroma is not VCO. It's IC controller RF. It's very good solution.
shiljo
06-26-2004, 11:22
U101 by kimichan & Globeroma is not VCO. It's IC controller RF. It's very good solution.

Hello,Victel!
I have many Samsung service manuals,but not for S500...bad...
I meaned that u101 is VCO,like on few other Samsung models...can you tell me which IC is u101 on PCB,what function have it?

Thanks
globeroma
06-26-2004, 21:30
U 101 is signal processor, for more details search manual service :) :)

B:R:
debeliamark
06-27-2004, 10:21
@shiljo - easy way - try to decrease TX power by adding or replacing some passive parts after PA - this is not righ way for repair, but will make your phone useable :)
shiljo
06-28-2004, 10:57
Thanks people...I will try both :)
Pozdrav
Victel UA
06-29-2004, 16:32
It's location elements in S500
shiljo
06-29-2004, 18:15
It's location elements in S500


Thank you very much,I will post results!
Regards
shiljo
09-10-2004, 15:23
Hello!
Finaly,I got new OM5178 IC's,replaced on this phone all is OK now!
Thanks to all!
Regards
Shiljo
btl
10-01-2004, 02:58
can any one elaborate on this cos i have the same problem and i dont have the pic of the fone to know what you guys are TALKING BOUT
mohammad2004
11-05-2004, 04:29
1-change the imei or full eprom program

2-repace the pa or swich anten

3-test the connector sky anten

4-replace a connector charge
mobileland
11-05-2004, 06:39
Anyone seling samsung spare parts???
shiljo
11-05-2004, 12:12
Anyone seling samsung spare parts???

Mail me to shiljo@blic.net ,I have some parts...
Pozdrav