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Very complete shop manual. It contains everything needed to troubleshoot bascially any problem. Instructions, diagrams, schmeatics, illustrations... it's all there. Highly recommended!
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Great product, very good quality, found all needed information. Thanks
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Excellent quality, helped to fix problem. Thank you very much!!!!
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I thank Owner-Manuals.com for providing the necessary manual very quickly, and it was very helpful in repairing my personal Audio System and I once again thank them for the wonderful customer's service satisfaction.
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Everything fine: quick service, no glitch and above all a very good quality of the Pdf file. Thank you!
CX-977
Fig. 5: RFRP and RFCT circuit
5) SBAD Signal Circuit unit
In this unit, outputs from the photo detector, namely, E and F are processed through the addition amplifier. That is, E and F are added together and (E+F) signal is output from #15 pin of IC101 (TA2153FN), as SBAD signal. This SBAD signal, along with Focus Error signal, is used as one of the conditions that the system uses to internally judge Focus ON/OFF based on them. Also, SBAD signal is used to detect defects: defects that may be detected when the Pickup passes a scratch on the disk, for instance.
Fig. 6: SBAD circuit
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