1-40 (No.MB496)
3.4.2 Removing the head amplifier & mechanism control board
(See Fig.4)
(1) Turn over the cassette mechanism assembly and remove
the three screws
A
attaching the head amplifier & mecha-
nism control board.
(2) Disconnect the flexible wire from connector
CN31
on the
head amplifier & mechanism control board.
(3) Disconnect connector
CN32
of the head amplifier & mech-
anism control board from connector
CN1
on the reel pulse
board.REFERENCE: If necessary, unsolder the 4-pin wire
soldered to the main motor.
3.4.3 Removing the main motor
(See Fig.4~7)
(1) Remove the two screws
B
.
(2) Half raise the motor and remove the capstan belt from the
motor pulley.
ATTENTION:
Be careful to keep the capstan belt from grease. When reas-
sembling, refer to Fig.6 and 7 for attaching the capstan belt.
Fig.4
Fig.5
Fig.6
Fig.7
Head amplifier & mecha control board
A
A
A
B
CN31
CN32
4pin wire
Flexible wire
Main motor assembly
Main motor assembly
Capstan belt
Main motor assembly
Capstan belt
Motor pulley
Main motor assembly
Capstan belt
Fly wheel
Motor pulley