Reel Table Height Adjustment - Sony DNW-A100 Maintenance Manual

5-9-4. Reel Table Height Adjustment

Notes
. Be sure to check the height of the reel table when a reel table is removed or when
it is replaced.
. Perform the reel table height adjustment correctly.
The height of the reel table is used as the reference for the tape path.
. After the supply reel table height adjustment is performed, be sure to check the
video tracking. (Refer to Section 7-1-3.)
Tools
. Cassette reference plate (L) (MW-088): J-6320-880-A
. Reel table height gauge (MW-935):
. L-shaped wrench (1.5 mm):
Check
1. Set the Cassette Reference Plate (L)
Place the cassette reference plate (L) in the
direction shown in the figure, then place it on two
cassette supports.
2. Place the Reel Shift Plate Assembly in
the L Cassette Position
Rotate the drive gear counterclockwise as far as it
will go.
3. Check the Take-up Reel Table Height
(1) Press the "T"-stamped side of the gauge
against the take-up reel table from the
direction indicated by the arrow a.
(2) Check that the specification is satisfied while
rotating the take-up reel table clockwise by
one turn.
(3) Check the reel table height from the directions
indicated by the arrow b in the same way.
4. Check the Supply Reel Table Height
(1) Press the "S"-stamped side of the gauge
against the supply reel table from the
direction indicated by the arrow c.
(2) Check that the specification is satisfied while
rotating the supply reel table counter-
clockwise by one turn.
(3) Check the reel table height from the directions
indicated by the arrow d in the same way.
If the specification is not satisfied in steps 3
and 4, perform steps 7 and 8.
DNW-A100/A50/A45
DNW-A100P/A50P/A45P
J-6329-350-A
7-700-736-05
< L cassette position >
S reel table
Cassette
reference
plate (L)
d
Drive gear
Flange
Reel table
Spec. :
5-9-4. Reel Table Height Adjustment
Cassette support T reel table
c
a
b
Reel table height
check gauge
Go-end Not-go-end
The go-end of the gauge slide over the flange
of the reel table.
The not-go-end of the gauge does not slide
over.
Check the Reel Table Height (L)
Cassette support
Reel table height
check gauge
Cassette
reference
plate (L)
5-57