Apr 2, 2004 #1 nerd77 Full Member level 3 Joined Feb 15, 2004 Messages 163 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,298 Location Germany Activity points 1,961 Has anyone a schematics for Mobile Phone SIEMENS S25? I have broken an small inductivity beneath the speaker, might be 1-2 Micro-Henry or so. Dont know the exact value of this component
Has anyone a schematics for Mobile Phone SIEMENS S25? I have broken an small inductivity beneath the speaker, might be 1-2 Micro-Henry or so. Dont know the exact value of this component
Apr 14, 2004 #2 nerd77 Full Member level 3 Joined Feb 15, 2004 Messages 163 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,298 Location Germany Activity points 1,961 nobody here who may help me? S25 and C25 seem to be close related - probably someone with C25 may help
nobody here who may help me? S25 and C25 seem to be close related - probably someone with C25 may help
Apr 14, 2004 #3 A asmar Junior Member level 1 Joined Dec 24, 2003 Messages 16 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,283 Activity points 106 hi maby this shemas can help
Apr 15, 2004 #4 nerd77 Full Member level 3 Joined Feb 15, 2004 Messages 163 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,298 Location Germany Activity points 1,961 Partially. The Component marked with "about 79 Ohm" is broken. It seem to be an inductivity. Which Impedance does it have?
Partially. The Component marked with "about 79 Ohm" is broken. It seem to be an inductivity. Which Impedance does it have?
Apr 16, 2004 #5 J jon2000 Junior Member level 3 Joined Dec 11, 2002 Messages 25 Helped 3 Reputation 6 Reaction score 2 Trophy points 1,283 Activity points 193 You can find S25 service manual h**p://www.exit99.cz/s25/servis/sm_s25vl2_v11.zip and repair doc h**p://www.exit99.cz/s25/servis/sm_c25_lvl_25_v12.zip Unfortunately, the schematic is missing. One of the above files is encrpyted by MS-WORD, but it can be open as read-only.
You can find S25 service manual h**p://www.exit99.cz/s25/servis/sm_s25vl2_v11.zip and repair doc h**p://www.exit99.cz/s25/servis/sm_c25_lvl_25_v12.zip Unfortunately, the schematic is missing. One of the above files is encrpyted by MS-WORD, but it can be open as read-only.
May 14, 2004 #6 nerd77 Full Member level 3 Joined Feb 15, 2004 Messages 163 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,298 Location Germany Activity points 1,961 I have found the answer by myself by asking someone working at Siemens ... 3.5 Milli-Henry !!! (thats extreme impedance value for this small part) Reason: The antenna is close beneath the speaker, therefore they want to filter the toc-toc-toc sound from the antenna and need a high impedance.
I have found the answer by myself by asking someone working at Siemens ... 3.5 Milli-Henry !!! (thats extreme impedance value for this small part) Reason: The antenna is close beneath the speaker, therefore they want to filter the toc-toc-toc sound from the antenna and need a high impedance.