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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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5 disc carousel CD player TEAC PD D850
This unit is having difficulties playing audio CD-Rs. Not every CD-R has
problems, only some of them and the problem consists in not locking into the tracks. The strange thing is that the CD-Rs are all of the same brand, same manufacturing date and even from the same canister!(TDK 48X, 80min). I opened the unit thinking that perhaps the signal gain need to be slightly adjusted. I found 4 potentiometers called: 1. T-OFFSET 2. T-GAIN 3. E F/BAL 4. FREERUN I tried to adjust them with no avail. Any leads? Thank you very much, Gene |
#2
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If you've adjusted them all to specification then the pickup is
acting normally and will not play all CD-R's. If you've just turned the controls without measuring anything, then you're lucky it reads anything at all. EpsilonRho wrote: This unit is having difficulties playing audio CD-Rs. Not every CD-R has problems, only some of them and the problem consists in not locking into the tracks. The strange thing is that the CD-Rs are all of the same brand, same manufacturing date and even from the same canister!(TDK 48X, 80min). I opened the unit thinking that perhaps the signal gain need to be slightly adjusted. I found 4 potentiometers called: 1. T-OFFSET 2. T-GAIN 3. E F/BAL 4. FREERUN I tried to adjust them with no avail. Any leads? Thank you very much, Gene |
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