Sony MVC-CD300 Service Manual page 66

7. Purpose of Adjustments of "Dencho
for DDX-G2100" and Troubleshooting
Note 1: Before replacing the MD, be sure to turn off the main power of
BU adjustment jig. If the MD is replaced while the main power is
kept ON, the troubles such as communication disabled (boot mode)
occurs or the laser diode is damaged.
Note 2: If the main power of the BU adjustment jig is turned OFF then
back ON in the middle of the adjustment, click the [Renewal ]
button on the Adjustment Menu (Engineer Mode) display. The
communication between the BU adjustment jig and the personal
computer is normal when the message "SONY DSC DDX-G2100
" appears in the Device Select window.
Fig. 7-1
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