Panasonic AJ-YA120AG, Service Manual

Page: 307 / 647

MECH-37
2-17. Supply & Take-up Reel Rotor
Replacement
(Removal)
1. Disconnect the flexible cable which is connected
to P34 and P35 on the Mech. I/F Board (back side
of the Mechanism unit).
2. Confirm that the iron core of the Supply and
Take-up Brake Solenoid are not pressed.
3. Confirm that the Reel Table is positioned
M-Cassette, release the M Stopper by pressing
the iron core of the M Stopper Solenoid.
4. Unscrew the 2 screws (A) on the outer rail. When
unscrew, insert the driver to the Hole (C) as
shown in figure 2-17-1.
5. Unscrew the 2 screws (B) as shown in figure
2-17-1.
6. The Rotor Unit is hooked at inner rail. Remove
the Supply and Take-up Rotor Unit that never
touch to the Brake Release Arm.
NOTE: When remove the Reel Rotor Unit,
memorized the groove position of Reel Base,
which inserted the pin of Drive Arm Unit.
Fig.2-17-1
(Installation)
1. Install the new Supply and Take-up Reel Rotor
Unit to the outer rail.
2. Hang on the Reel Rotor Unit to inner rail and
install the Reel Rotor Unit then the pin of Drive
Arm Unit should be matched with groove position
of Reel Base as shown in Figure 2-17-2.
3. Fix the outer rail by Screw (A) and Screw (B).
4. Confirm that the Reel Table Unit moving smoothly
on the Rail by hand.
5. Move the Reel Rotor Unit to front side by hand
and then pull up the iron core of M stopper
solenoid.
6. Confirm the Main Brake Torque. (Refer to the
item “Main Brake Torque Confirmation”.)
7. Connect the flexible cable to P34 and P35 on the
P.C.Board.
8. Adjust the Supply Motor Torque Offset Value.
(Refer to the “Sec.5 Electrical Adjustment”.)
9. Adjust the Take-up Motor Torque Offset Value.
(Refer to the “Sec.5 Electrical Adjustment”.)
10. Confirm the Tape Tension Value on playback
mode.
Fig.2-17-2
S Reel Rotor
T Reel Rotor
S Reel Rotor
Unit
T Base Drive
Arm Unit
T Reel Rotor
Unit
S Base Drive
Arm Unit
Screw (A) Screw (A)
Screw (B) Screw (B)
Hole (C) Hole (C)