Hi guys, is there anybody with experience with this Nak? Mine is working fine except the record function.The red light does not appear and the record function is not available at all. I cleaned up the contacts of the switch for the recordable cassette with fine (2000) sandpaper then blow with air, then DX5, then again air. No result! The red recording indicator. I have 102mV on the bottom contact of the recording switch when a recordable cassette is in the cassette bay and nothing when the door is open, so the switch looks like ok. Is this a bad bulb which preventing the record function?? Thanks for any answer, help or advice!!