20 Most Recent JVC GZ-MG330 HDD Camcorder Questions & Answers

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If it is brand new and came with a warranty, return it. I hope the symptoms are continuous(not intermittent).

See pages 16-17 of this manual.

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This is most likely a defective zoom rocker switch assembly. This will require major disassembly to repair and can usually be done fairly inexpensively. However, it's not a user serviceable problem and will need to be repaired by a qualified service technician.

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