Sony DSR-250, Service Manual

Page: 211 / 322

5-53
Attach the boss while aligning
it in the hole of the cassette
reference plate (J-22).
Boss
TG2/7 preset plate
(J-24)
Cassette reference plate
(J-22)
Face the mirror (J-14) in the
direction of the arrow and
perform a visual check.
Reel reference plate (J-23)
Respectively attach it to
the S and T sides and
perform the checks.
Cassette positioning
shafts
Cassette reference
plate (J-22)
Attach the cassette
reference plate (J-22)
when the reel table is
at the position of
"S cassette".
Select the desired cassette position by pressing
the claw position.
Reel select slider
Do not touch the slider drive shaft.
When selecting a cassette position, be careful not to
touch the slider drive shaft because it can be easily
bent or broken.
1. Preparation before check
Check that the cassette compartment has already been removed.
(Refer to page 5-35.)
Fit the cassette reference plate (J-22) in the cassette positioning
shafts.
2. Check and adjustment
Put the reel reference plate (J-23) on each reel table. Rotate the
screw block of the reel table so that the height of the cassette
reference plate is the same as that of the reel reference plate.
Put the reel and cassette
reference plate and adjust
the height.
2-4-2. TG1/8 HEIGHT CHECK AND ADJUSTMENT
1. Preparation before check
1) Check that the cassette compartment block has already been
removed. (Refer to page 5-35.)
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 5-35.)
3) Place the TG2/7 preset plate (J-24).
2. Check and adjustment
Rotate the TG upper flange until the heights of the TG2/7 preset
plate (J-24) and TG1 or TG8 roller block are the same. Alternatively,
rotate the TG upper flange by 120˚ in the direction of lowering the
guide from the reference height where the preset plate and roller
have the same height.
2-4-1. REEL TABLE HEIGHT CHECK AND ADJUSTMENT
Same height
(normal position)
The reel table is too high.
(Adjust the height while
referring to the figure below.)
S/T reel table
S/T reel table
Cross-headed screwdriver
The reel table is lowered. The reel table is raised.
S/T reel table
TG1 or TG8 TG1 or TG8
The guide is too low. The guide is too high.
Screwdriver for tape path (J-15)
The guide
is raised.
The guide
is lowered.
120
°
120
°
The normal height is the position where the TC
upper flange is rotated by 120
°
in the direction
of lowering the guide from the adjusted height
while referring to the figure below.
Not good Not good
Good
TG1 or TG8