Thanks you very much for this "hard to find" service manual.
Will help a lot in repairing this tuner.
Text excerpt from page 6 (click to view)
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2. EXPLODED VIEWS AND PARTS LIST
NOTES : � Parts marked by " * " are generally unavailable because they are not in our Master Spare Parts List.
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� The > mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation. � Screw adjacent to mark on the product are used for disassembly. � For the applying amount of lubricants or glue, follow the instructions in this manual. (In the case of no amount instructions,apply as you think it appropriate.) "