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Text excerpt from page 94 (click to view)
6 Loosen three screws on the spindle motor.
Loosen the screw about a turn from the state of being tight.
Feed base block assembly
Insert a eccentric screwdriver to either one of the hole for adjustment.
Jig terminal Mode Oscilloscope Phase difference Before adjustment
: E, F : TRACKING, SLED OFF : X/Y Lissajous's range (Each 20 mV/div.) : 1 : 3 or more 1
Fig. 7-4. 7 Again, plate the CD (YEDS-18) in the playback status. 8 Connect the oscilloscope to the terminals E and F of MD adjustment cable, and turn off the SLED and TRACKING switches. 9 Insert a eccentric screwdriver into the feed base block assembly for RD adjustment. !Âº After adjustment, turn on the SLED and TRACKING switches. !Â¡ Remove the CD (YEDS-18), and tighten three screws on the spindle motor, then three screws on the feed base block assembly.