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208.102.3.31
I just purchased a Kenwood KX-W8020 off ebay. Nice shape except that it makes terrible screeching noise intermittenly. I thought it was caused by long storage time and putting it back to action can cure the problem. Ran it for a few hours and still the same. High speed dubbing is problematic: sometimes the speed slows down when the screeching noise picks up. The screeching noise is mechanic (it makes noise no matter connected to amplifier or not). What can I do? Any suggestion is highly appreciated.
Follow Ups:
Hello.
I don't know if you like to do the 'dirty job' . I like a lot, so I would open the cover and would watch its mechanism working.Usually, The very first thing to check are the belts, and next, every wheel turning, which may cause your sound. If you find a turning wheel that causes the noise, maybe -I said maybe-, you can lubricate it.
sometimes it is not right to drop oil there.Of course check the deck with at least two or three different tapes and at different position (begining, middle, end)
Bye.
rotovator: thanks a lot for your reply.i have another Kenwood deck that i opened before but i wasn't able to open the cartridge chamber (where the tape is inserted) without the help of a schematic/diagram. anywhere i can get a copy for that? i searched on ebay, it costs more than the money i paid for the deck.
Hello.Yes, it is quite expensive to obtain a copy of the schematics.
However, Most of the times, I never need the schematics to disassemble the transport. Just a tought nak 480 made me look at it to figure out how it worked. You just need to be very carefull and organized to put things aside. I sometimes even take pictures of the transport parts to see how it is assembled in case I get lost when re-assembling.
Old transports are more difficult to access to, and I've made some mess sometime. THankfully, I could re-assemble it and leave it working. Now, I am very very carefull and keep the parts, springs and screws in labelled boxes. I mark the connectors with a number to keep them related to their sockets in the boards, etc.
For the electronics to be repared, you need the schematic/service manual. That's another story.
I've got some schematics from the web. Specially of Nakamichi machines. But, generally, it's almost impossible to find for free the schematics of any random model.
Be very careful if it is your first time you dismantle a transport mechanism.... ĦMMh! and have joy !!
Bye
Opened it last night. Check every moving parts but didn't see any obvious friction. Put it all back and still making the noise! I am going nuts.
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