Ramsey Electronics LB-56 Manual page 19

To qualify for Ramsey Electronics factory repair, kits MUST:
1. NOT be assembled with acid core solder or flux.
2. NOT be modified in any manner.
4. BE accompanied by the proper repair fee. No repair will be undertaken
until we have received the MINIMUM repair fee (1/2 hour labor) of
$18.00, or authorization to charge it to your credit card account.
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