AFG5102/Repairs

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Battery Module Replacement

The AFG5102 processor board is equipped with a Renata 175-1 battery module. This module contains a standard CR2032 Lithium coin cell and two 1N4148 diodes. While the original module is potted in resin a simple replacement with a battery holder and two 1N4148 diodes can be fabricated.

  • Processor board with water damage and original backup battery module

    Processor board with water damage and original backup battery module

  • Processor board repaired with new backup battery

    Processor board repaired with new backup battery

  • Replacement battery and diodes closeup

    Replacement battery and diodes closeup

  • Renata 175-1 schematic and pinout

    Renata 175-1 schematic and pinout

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