The Calculator Store HP41 Repair: A beginner's guide to repairing your HP41 calculator

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You had a HP41 many years ago, and it is laying damaged and corroded in a cupboard ; or someone has given you a non-working unit, but you're unsure about what to do with it...then, we have good news for you. In our experience, up to 90% of HP41 non-working units can be repaired - with no electronics experience! After repairing hundreds of these machines, we have developed techniques and spare parts that can be easily applied and restore to life your loved (and valuable) HP41 calculator.

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