JVC RC-QC7 Service Manual page 25

« Cassette Mechanism Section )
mg Removing the Playback, Recording and Eraser
Heads
_—
. 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. 5- 16).
. When the flywheel R is rotated in counterclockwise
direction, the playback head will be turned in
counterclockwise direction from the position in Fig. 5- 17
to that in Fig. 5-18.
At this position, disconnect the flexible P.C. board
(outgoing from the playback head) from the connector
CN301 on the head amp. & mechanism control P.C.
board.
4. After dismounting the FPC holder, remove the flexible
P.C. board.
Remove the flexible P.C. board from the chassis base.
Remove the spring @ from behind the playback head.
Loosen the reversing azimuth screw retaining the
playback head.
8. Take out the playback head from the front of the head
mount.
9. The recording and eraser heads should also be removed
similarly according to Steps 1~8 above.
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NOM
@Reassembling the Playback, Recording and
Eraser Heads
_
. Reassemble the playback head from the front of the
head mount to the position as shown in Fig. 5-18.
2. Fix the reversing azimuth screw.
. Set the spring @ from behind the playback head.
4. Attach the flexible P.C. board to the chassis base, and
fix it with the FPC holder as shown in Fig. 5-18.
5. The recording and eraser heads should also be
reassembled similarly according to Steps 1~4 above.
ao
RC-QC7 seenc
Cassette mechanism
Head mount
Trigger arm
Fig. 5-16 (Mechanism A side)
Playback head
Spring
Head amplifire &
Flywheel R
mechanism control booard
Fig. 5-17 (Mechanism A side)
Playback head
Reversing
azimuth screw
Head amplifier &
mechanism control board
FPC holder
Fig. 5-18 (Mechanism B side)
(No.10036) 25