JVC MX-GA9V Service Manual page 27

3.4 Cassette mechanism assembly
3.4.1 Removing the R/P & E head
(See Fig. 1 to Fig. 3)
(1) While shifting the trigger arms seen on the right side of the
head mount in the arrow direction, turn the flywheel ( R ) in
counterclockwise direction until the head mount has gone
out with a click (See Fig. 1).
(2) When the flywheel (R) is rotated in counterclockwise
direction, the playback / recording & eraser head will be
turned in counterclockwise direction from the position in
Fig. 2 to that in Fig. 3.
(3) At this position, disconnect the flexible board (outgoing
from the playback / recording & eraser head) from the
connector CN31 on the head amplifier & mechanism
control board.
(4) Remove the flexible board from the chassis base.
(5) Remove the spring a from behind the playback / recording
& eraser head.
(6) Loosen the reversing azimuth screw retaining the playback
/ recording & eraser head.
(7) Take out the playback / recording & eraser head from the
front of the head mount.
(8) The playback / recording & eraser head should also be
removed similarly to steps 1 to 7 above.
Cassette mechanism
Head mount
Fig.1
Playback head
Flexible board
CN301
Head amp. & Mechanism
control board
Fig.2
R/P E head
Spring a
CN302
FPC holder
Fig.3
Fly
wheel R
Trigger arm
(A mechanism side)
Spring a
Trigger arm
Flywheel R
(A mechanism side)
Reverse
Azimuth screw
Head mount
Flexible board
Head amp. & mechanism
control board
(B mechanism side)
(No.MB011)1-27