Sanyo DTL4800 Basic Service Technical Information page 17

Real time video cassette recorder mechanism
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3-9-2.PINCH LIFT CAM AND PINCH CAM GEAR
(See Figs.3-9-2 and 3-9-3)
1) Refer to section 3-2 and remove the mechanism unit.
When you do this, make sure the mechanism is in
EJECT mode.
2) Refer to section 3-9-1 and remove the pinch roller
lever assembly.
3) After removing the screw
, then remove the opener mounting
4) Remove the clamp
5) Remove the pinch cam gear
ASSEMBLY NOTES:
1. Apply grease (VHJ-0100) around the shaft
the teeth
of the pinch cam gear
teeth of the pinch lift cam
, and all over the "V Part
ing
. Apply grease (VHJ-0101) to the outside of the
shaft
and all over the top cam
gear
.
2. Check that the positioning mark
switch
is aligned with the arrow
PWB assembly, as shown in Fig.3-9-3. Then align the
square mark
on the pinch cam gear
arrow
on the MC-1 PWB assembly. After that,
align the round hole
the indentation
on the pinch cam gear
If you have carried out the above alignments and the
pinch roller will still not move up and down or per-
form the pressing movement correctly, refer to sec-
tion 3-15 and check the alignment of the gear wheels
1 and 2, the main cam, and the mode switch.
"V" part
Opener
mounting
Clamps
Pinch cam gear
, undo the three clamps
.
and the pinch lift cam
.
, all over
, all over the
, all over the cam grooves
" of the opener mount-
of the pinch cam
on the mode
on the MC-1
with the
on the pinch lift cam
.
Screw
Pinch lift cam
Shaft
Clamp
Shaft
Fig.3-9-2
.
Arrow
Square mark
Mode switch
with
–17–
Arrow on MC-1 PWB
assembly
Positioning marks
on mode switch
Indentation
Pinch lift cam
Round hole
Pinch cam gear
Fig.3-9-3

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