Panasonic AJ-D93MC, Service Manual

Page: 84 / 180

MECH-6
3-7. REV Tension Confirmation
SPEC
180mN ± 20mN (18gf ± 2gf)
TEST POINT
TP201 (SERVO)
MODE
STOP
TOOL
VFK1188A (Dial Tension Gauge)
Digital Volt Meter
<Preparation>
1. Loosen the 2 screws and remove the Carriage
Support Panel on the Front Loading Unit.
2. Disconnect the connector P3 on the Carriage
Board of the Front Loading Unit.
3. Unscrew the 6 screws and remove the Top Plate
on the Front Loading Unit as shown in figure
3-4-1.
4. Connect the Flexible cable to P3 on the Carriage
Board of Front Loading Unit.
<Confirmation Procedure>
1. Open the SERVICE MENU and Select the A00 :
SERVO ADJUST and press the “SET” button to
open the SERVO ADJUST MENU.
2. Select the A09 TENSION.
3. Rotate JOG dial clockwise pushing Search button
so that the mechanism shift to Loading mode.
(“on” mark is displayed on A09 : TENSION)
4. Push the tension post to the direction R by the
tension gauge as shown in Figure 3-7-1 until the
voltage at the test point becomes 1.2V (It means
REV position).
5. Confirm that the indication (tension) of gauge is
within the specification. If not, perform the Tension
Spring Adjustment again.
6. After finishing this adjustment, glue the screw (A),
(B) and (C). The glue quantity at (B) is half of (A)
and (C).
Glue the screw (A) and (C) should be as big as a
grain of rice. For the screw (B), it showld be half of
that.
Figure 3-7-1
A
B
C