Sony Digital8 M2000 - Page 29

4-16.
Rotary
Switch,
Cam
Relay
Gear,
Change
Gear
Assembly,
Timing
Belt
Before
replacing
the
timing
belt,
remove
the
guide
rail
T2
and
capstan
motor.
(Refer
to
4-4.)
1,
1)
2)
3)
4)
5)
6)
1)
Removal procedure
Remove the LS chassis block assembly. (Refer to 4-10.)
Remove the guide lock plate (T), pinch pressure assembly and
eject arm. (Refer to 4-15.)
Remove the cam relay gear @.
Remove the timing belt @.
Remove the HLW cut (0.98 x 3 x 0.25) @ and change gear
assembly ®.
Remove the four solderings © and remove the FP-299 flexible
wiring board ©.
Push up the dowel of the rotary switch @ from the bottom of
the mechanism chassis assembly and remove the rotary switch
in the direction of the arrow.
@ Remove the rotary switch
in the direction of the arrow.
Clearance must exist between
the claw of the rotary switch and
the belt.
@ HLW cut
(0.98 x 3x 0.25)
Belt must be completely
free from twist or stain
when it is installed @ Change gear
assembly
© Remove the
four solderings
2.
1)
2)
3)
4)
5)
6)
7)
8)
Attachment procedure
Insert the dowel of the rotary switch @ into the hole on the
mechanism chassis assembly and attach the rotary switch
clockwise.
Align the FP-299 flexible wiring board @ with the reference
hole on the mechanism chassis and solder the flexible wiring
board to the rotary switch @ (at four locations).
Attach the change gear assembly @ with the HLC cut (0.98 x
3 x 0.25)@.
Attach the timing belt @.
Note: There must be a clearance between the rotary switch @ and
timing belt @.
Attach the cam relay gear @).
The in-phase markings of the rotary switch @, cam relay gear
(2) and cam relay gear (1) must be aligned.
Attach the guide lock plate (T), pinch pressure assembly and
eject arm. (Refer to 4-15.)
Attach the LS chassis block assembly to the mechanical chassis.
(Refer to 4-10.)
Clean the shaft of the capstan motor. (Refer to 2-2.)
Attachment direction
The ribs must be facing upward.
Dowel
(1) Cam relay gear (2)
SETTING THE GEAR POSITION
o
‘
<> Hole of mechanism chassis
Rotary switch
Cam relay gear (2)
Cam relay
gear (1)
When attaching it, coat the hatched
portion with grease.