Tg2/7 Height Check And Adjustment; Fwd/Rvs Position Check And Adjustment - Sony DSR-25 Service Manual

4-3.

TG2/7 HEIGHT CHECK AND ADJUSTMENT

1. Preparation before check
1) Check that the cassette compartment block has already been
removed. (Refer to page 5-5.)
2) Set the mechanism deck to the loading end position (TG2 to 7
already moved to the loading end position and the pinch roller
is in the unloading position). Alternatively, set the mechanism
deck to the "LE position" using the mode selector II. (Refer to
page 5-5.)
3) Place the TG2/7 preset plate (J-13).
Attach the boss while
aligning it with the
hole of the cassette
reference plate (J-11).
Boss
4-4.

FWD/RVS POSITION CHECK AND ADJUSTMENT

1. Preparation before check
1) Check that the cassette compartment block has already been
removed. (Refer to page 5-5.)
2) Set the mechanism deck to the loading end position (TG2 to 7
already moved to the loading end position and the pinch roller
is in the unloading position). Alternatively, set the mechanism
deck to the "LE position" using the mode selector II. (Refer to
page 5-5.)
3) Place the TG2/7 preset plate (J-13).
Align the center of TG2 with the vertically
extended line of the jig plate's tip as shown.
TG2 arm
Rotate the adjuster with a resin
screwdriver, etc. Be careful not
to bend the band.
Face the mirror (J-4) in the
direction of the arrow and
perform a visual check.
TG2/7 preset plate
(J-13)
Cassette reference plate
(J-11)
TG2/7 preset plate (J-13)
2. Check and adjustment
Rotate the TG upper flange until the height of the TG2/7 preset
plate (J-13) and TG2 or TG7 roller block is the same. Alterna-
tively, rotate the TG upper flange of only TG2 by 60˚ in the direc-
tion of raising the guide from the adjusted height while referring
to the figure below.
Not good
TG2 or TG7
The guide is too low.
Good
TG2 or TG7
The normal height of TG2 is the position
where the TC upper flange is rotated by
60° in the direction of raising the guide
from the adjusted height while referring
to the figure below.
The normal height of TG7 is the current
one.
2. Check and adjustment
Rotate each adjuster to adjust the TG2/7 position until
the TG2/7 preset plate (J-13), TG2 and TG7 are in line.
Align the center of TG7 with the vertically
extended line of the jig plate's tip as shown.
Rotate the adjuster with a resin
screwdriver, etc. Be careful not
to bend the band.
5-25
DSR-25
Not good
TG2 or TG7
The guide is too high.
Screwdriver for tape path (J-15)
The guide The guide
is lowered. is raised.
60°
60°
60°
60°
or
TG7 arm
of