Sharp VC-H992U Service Manual page 13

REMOVING AND INSTALLING THE CASSETTE
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 4-1.
• Reassembly
1. Before installing the cassette housing control, short-
circuit TP801 provided at the center (when facing to the
main PWB), press the eject button. The casecon drive
gear turns and stops when the positioning mark ap-
pears. 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 4-2.
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 drive
3. In the case when you use the magnet screw driver, never
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 TP801.
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.
Weight to prevent
float (500g)
Note:
The weight should not be more than 500g.
Casecon drive
To take out the cassette tape.
angle gear
1. Turn off the power switch.
2. Take out the cassette tape.
13
controller frame L/R, take care.
angle gear causes malfunction. (The cassette cannot be
set, load and ejection are repeated).
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 pole bases move into U.L.position.)
prevent floating.
500g
Figure 4-3.
VC-H992U
VC-H992U(A)
Mechanism chassis