Sharp VC-G20SM Serviceanleitung Seite 10

VC-G20SM/G200SM
VC-G201SM/G401SM
4-3 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) Pull and circle the drive lever and pull up the cassette
housing control.
• Reassembly
1. Before installing the cassette housing control, short-
circuit between TP803 and TP802 provided at main
PWB, press the eject button. The master cam turns and
stop in eject position. Fit the drive lever to master cam
through main chassis, push down and slide the drive
lever towards to master cam.
*Eject position: Pinch Drive Cam positioning hole paral-
lel to center of Synchro Gear (Synchro gear marking
line). Synchro Gear positioning mark parallel to center
of master cam.
Main chassis
Pinch Drive
Cam
Synchro
Gear
Master
cam
Drive
Lever
From top view
1
Figure 4-1.
Hole of Pinch
drive cam.
Line of
synchro
gear.
Master cam
Phase
matching
From Bottom View
Figure 4-2.
2. Install in the reverse order of removal.
Notes
1. In the case when you use the magnet screw driver, never
approach the magnet driver to the A/C head, FE head,
and drum.
2. When installing or removing, take care so that the
cassette housing control and tool do not contact the
guide pin or drum.
3. After installing the cassette housing control once per-
form cassette loading operation.
4-4 TO RUN A TAPE WITHOUT THE CASSETTE
HOUSING CONTROL ASSEMBLY
1. Remove the full-surface panel.
2. Short-circuit between TP803 and TP802.
3. Plug in the power cord.
4. Turn off the power switch.
(The pole bases move into U.L.position.)
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
prevent floating.
Weight to prevent
float (500g)
9. Turn on the power switch.
10. Perform running test.
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.
10
500g
Mechanism chassis
Figure 4-3.