Sharp 27DV-S100 Service Manual page 28

27DV-S100
27DV-CS10
REMOVING AND INSTALLING THE CAS-
SETTE HOUSING
• Removal
1. In the cassette removing mode, remove the cassette.
2. Unplug the power cord.
3. Remove in the following numerical order.
a) Remove two screws 1.
b) Slide and pull up the cassette housing control.
Figure 1-1.
• Reassembly
1. Before installing the cassette housing control, short-
circuit R7057 and JUMPER:420 provided on the main
PWB, prug in the power cord, and then press the
STOP/EJECT button. The casecon drive gear turns
and stops when the positioning mark appears. Engage
two teeth of casecon drive gear with the three teeth of
casecon drive angle gear, and set on the mechanism
chassis as shown below.
Casecon
drive gear
Figure 1-2.
2. Install in the reverse order of removal.
Notes:
1. When fitting the S/E sensor holder to the cassette
2. Misengagement of teeth of casecon drive gear and
3. In the case when you use the magnet screw driver,
4. When installing or removing, take care so that the
1
5. After installing the cassette housing control once per-
TO RUN A TAPE WITHOUT THE CASSETTE
HOUSING CONTROL ASSEMBLY
1. Remove the full-surface panel.
2. Short-circuit R7057 and JUMPER:420.
3. Plug in the power cord.
4. Turn off the power switch.
5. Open the lid of a cassette tape by hand.
6. Hold the lid with two pieces of vinyl tape.
7. Set the cassette tape in the mechanism chassis.
8. Stabilize the cassette tape with a weight (500g) to
9. Turn on the power switch.
10. Perform running test.
11. After running test, once turn off the power to let the
Weight to prevent
float (500g)
Casecon drive
angle gear
Note:
The weight should not be more than 500g.
To take out the cassette tape.
1. Turn off the power switch.
2. Take out the cassette tape.
28
controller frame L/R, take care.
drive angle gear causes malfunction. (The cassette
cannot be set, load and ejection are repeated).
never approach the magnet driver to the A/C head, FE
head, and drum.
cassette housing control and tool do not contact the
guide pin or drum.
form cassette loading operation.
(The mechanism moves to the cassette mounting
position.)
prevent floating.
mechanism move to the cassette mounting position,
then remove the cassette.
500g
Figure 1-3.
Mechanism chassis