Sony MZ-R91 Service Manual page 8

"CHASSIS ASSY, SET", MD MECHANISM DECK (MT-MZR90-165)
2 boss
SERVICE ASSY, OP
3 precision pan screw
(M1.4)
4 rack spring
5 screw
8 bearing
1 screw (1.4)
1 washer (0.8 - 2.5)
2 gear (SA)
7 Pull off the lead screw.
5 screw
over write head section
– 8 –
3 MD mechanism deck
(MT-MZR90-165)
2 boss
4 tension spring (arm)
5 set chassis assy
1 screw (1.4)
6
9 Opening the over write head
toward the direction A, remove the
OP Service assy toward
the direction B.
B
Note: Do not open the entire assy
A
forcibly, when opening
the over write head.