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Best help everywhere i got from here. My audio medicinman was happy to get this manual from me. So he could repair my pioneer perfectly. Thanks
R O
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The manual was exactly what I needed, Good quality scans too. superb.
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Top class product, I printed it out on A3 paper and it is clear and very easy to follow.
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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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