Editing CD Driver
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Each PlayStation motherboard contains a 4-channel BTL-driver IC, driving the spindle motor, sled motor, focus coil and tracking coil. The inputs are driven by the [[CD_DSP|DSP]]. | Each PlayStation motherboard contains a 4-channel BTL-driver IC, driving the spindle motor, sled motor, focus coil and tracking coil. The inputs are driven by the [[CD_DSP|DSP]]. | ||
They naturally run relatively warm (hence the large ground pads for heatsinking), but should never get too hot to touch (->IC or something connected to it is probably defective or shorted) | They naturally run relatively warm (hence the large ground pads for heatsinking), but should never get too hot to touch (->IC or something connected to it is probably defective or shorted). | ||
For the Rohm ICs, datasheets are available online. | For the Rohm ICs, datasheets are available online. | ||