THIS MACHINE DOES NOT RECORD FROM ANY SOURCE.THE TECHNICIAN SAYS THAT THE MOTHERBOARD IS DEFECTIVE AND WOULD NEED REPLACING.PLS HELP ME FIND ONE. I have gleaned the following information from the board and I hope it means something :
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YOU mean "CD" recorder, right? A recorder will typically stop recording in the extended absence of audio.
And the track that is recorded - what does it sound like? If it's silence then you need to track your source back to its origin through the undefined electronics and find out why the signal isn't getting through to the recorder.
it's more than likely the servo board which is fixed under the mechanism. this is very common but i'm not sure which component fails on the board but i've always got hold of donor recorders and switched the servo boards and all was fine.
have a look on ebay for a cheap working donor recorder as spares are very expensive and very hard to get hold of. i'm guessing your recorder either doesn't read discs, or it won't eject? which is very common and means either the servo board is faulty or the laser.
The following recorders i know off hand for a donor mechanism are:
MARANTZ DR-6050 PHILIPS CDR-775 PHILIPS CDR-770
if it proves to be just a faulty laser, all 3 of the above have the same laser unit. if it proves to be a faulty servo board, all 3 have the same servo boards except if you fit one out of a philips model it will show 'PHILIPS CD RECORDER' on the display at power up but will still work nontheless. obviously if a marantz is found it will show 'MARANTZ CD RECORDER' as normal.