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Excellent manual, complete, great resolution, easy to read especially the schematics. Thank you !
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Fast delivery, excellent resolution and complete. And above all, the best price ever !
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everything i needed. it was easy to get. and this site is now my go to site for manuals.
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Quality as promised it arrived fast. No problems what so ever
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
5
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