Sony DSR-300 Service Manual page 210

6. Remove the stopper washer shown in the figure,
and remove the mode gear assembly.
Attachment
7. Attach the new mode gear assembly in the
reverse order of step 6.
Note: Insert the reference pin into the hole
of the mode gear when attaching, and
adjust the phase.
1) Adjust the protrusion of the GL (S) assembly
to the V groove of the GL (T) assembly as
shown in the figure, and attach the threading
gear so that the phase mark of the threading
gear and teeth A next to part B match.
2) Match the phases of the cam gear and
threading gear, and check that shaft a of the
slider arm can be seen from the long hole of
the cam gear.
8. Pull out the reference pin.
9. Attach the parts removed in the order steps 7, 6,
3, 2, 1.
Check/Adjustment
10. Perform TG-2 guide height check/adjustment.
(Refer to Section 4-37.)
11. Perform the tape path check.
(Refer to Section 5-3.)
12. Perform tracking adjustment.
(Refer to Sections 5-4 to 5-7.)
4-36
Stopper washer
Mode gear
Release cam gear
Stopper washer
HC gear
Cam gear
No. 1 gear
Shaft a
Threading
gear
Slider arm
DSR-300/P(E)/V1