Mechanical Section Adjustments; Parts Replacement And Preparation For Adjustment; Assembly/Disassembly Of Cassette Compartment; How To Load/Unload - Sony DSR-25 Service Manual

5-1. MECHANICAL SECTION ADJUSTMENTS

5-1-1. PARTS REPLACEMENT AND PREPARATION FOR ADJUSTMENT

1-1.

ASSEMBLY/DISASSEMBLY OF CASSETTE COMPARTMENT

For details on disassembling the mechanism deck (R mechanism), refer to the Service Manual of the main unit in which the R mechanism
is mounted.
Before attaching or removing the cassette compartment, check the position of "L cassette".
Cassette compartment
(Remove in the
direction of arrow A.)
Positioning pin
A
1-2.

HOW TO LOAD/UNLOAD

[Using the regulated power supply]
Note: Make sure to remove the connector of the cam motor from
the board of the main unit and apply +5V current.
Cam motor
Gray
Loading : Apply positive polarity (+) of power supply to the gray wire
and negative polarity (–) of power supply to the white wire.
Unloading : Apply negative polarity (–) of power supply to the gray wire
and positive polarity (+) of power supply to the white wire.
Screw
When attaching the cassette compartment,
move the reel selector slider in the direction of
arrow Bto check the position of "L cassette".
White
Apply current from
the inlets of the connector.
Tightening torque of cassette compartment
0.3432 ± 0.0196N • m (3.5 ± 0.2 kg • cm)
Screw
SL shifter
SL shifter
B
When selecting a cassette position, be careful not to
touch the slider drive shaft because it can be easily
bent or broken.
Bent portion C
Select the desired cassette position by pressing
the claw position.
[Manual: No cam motor]
Note: Remove the cam motor from the motor holder while referring
to "Information" on page 5-4.
Rotate the coupling gear by hand to load or unload.
[Rear side of chassis]
Coupling gear
5-5
Bent portion C
Bent portion C of the reel
selector slider should be
securely hooked on the
bent portion of the SL
shifter.
Positioning pin
Do not touch the slider drive shaft.
Reel select slider
Unloading
Loading
DSR-25