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need schematics for Mobile Phone SIEMENS S25

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nerd77

nerd77

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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
 

nobody here who may help me? S25 and C25 seem to be close related - probably someone with C25 may help
 

hi maby this shemas can help
 

Partially. The Component marked with "about 79 Ohm" is broken.
It seem to be an inductivity. Which Impedance does it have?
 

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.
 

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.
 

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