Filter Replacement » History » Revision 2
Revision 1 (Anonymous, 02/19/2016 10:48 PM) → Revision 2/12 (Anonymous, 02/19/2016 10:48 PM)
== Motorola filter replacement ==
To replace filters on Motorola phones you will need:
* [http://search.digikey.com/scripts/DkSearch/dksus.dll?vendor=0&keywords=HHM1526 HHM1526]
* [http://search.digikey.com/scripts/DkSearch/dksus.dll?vendor=0&keywords=HHM1523C1 HHM1523C1]
* [http://search.digikey.com/scripts/DkSearch/dksus.dll?vendor=0&keywords=04025A150JAT2A 04025A150JAT2A]
* [http://search.digikey.com/scripts/DkSearch/dksus.dll?vendor=0&keywords=04025A220JAT2A 04025A220JAT2A]
=== Remove existing baluns ===
First you will need to remove existing balun:
[[Image(motorola_filter_replacement_step_1_low.jpg, 250px)]]
[[Image(motorola_filter_replacement_step_2_low.jpg, 250px)]]
=== Solder new baluns ===
Clean up the phone and solder HHM1526 and HHM1523C1 on the right places (the black dot goes up):
[[Image(motorola_filter_replacement_step_3_low.jpg, 250px)]]
[[Image(motorola_filter_replacement_step_4_low.jpg, 250px)]]
[[Image(motorola_filter_replacement_step_5_low.jpg, 250px)]]
=== Solder ceramic capacitor ===
Last step is to solder ceramic capacitor:
[[Image(motorola_filter_replacement_step_6_low.jpg, 250px)]]
[[Image(motorola_filter_replacement_step_7_low.jpg, 250px)]]
=== Credits ===
Thanks to Sylvain and Peter who made this possible.