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Schematic diagram HDD / DVD-recorders Pioneer DVR-520HS/720HS

The archiveis a circuitdiagram ofHDD / DVD-recordersPioneer DVR-520HS/720HS:

1) FeeA, B, C

2) FeeG

3)boardsD, E, F, K

4)waveformsof signalsat the control pointsto theboard

5)signalwaveformsrecorderat the control points(the otherboardrecorder)