Read Sharp VC-MH75 (serv.man6) Service Manual online
10
VC-MH75HM
Figure 4-1.
• Reassembly
1. Before installing the cassette housing control, short-
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.
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.
lel to center of Synchro Gear (Synchro gear marking
line). Synchro Gear positioning mark parallel to center
of master cam.
Figure 4-2.
2. Install in the reverse order of removal.
Notes
1. In the case when you use the magnet screw driver, never
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.
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.
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.
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
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.
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.
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.
Figure 4-3.
9. Turn on the power switch.
10. Perform running test.
Note:
The weight should not be more than 500g.
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.
1. Turn off the power switch.
2. Take out the cassette tape.
1
500g
Weight to prevent
float (500g)
float (500g)
Mechanism chassis
From Bottom View
Pinch Drive
Cam
Cam
Synchro
Gear
Gear
Master
cam
cam
From top view
Main chassis
Drive
Lever
Lever
Phase
matching
matching
Master cam
Line of
synchro
gear.
synchro
gear.
Hole of Pinch
drive cam.
drive cam.
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