PREPARATION FOR SERVICING
How to Enter the Service ModeAbout REC-Safety Switch
Caution:
The REC-Safety Switch is directly mounted on the
About Optical Sensors
Main CBA. When the Deck Mechanism Assembly is
Caution:removed from the Main CBA for servicing, this switch
An optical sensor system is used for the Tape Startdoes not work automatically.
and End Sensors on this equipment. Carefully readWhat to do for preparation
and follow the instructions below. Otherwise the unitIn order to record, press the Rec button while pushing
may operate erratically.
REC-SAFETY SW on the Main CBA. See Fig. 1.
What to do for preparation
Insert a tape into the Deck Mechanism Assembly and
press the PLAY button. The tape will be loaded into
the Deck Mechanism Assembly. Make sure the power
is on, TP501 (SENSOR INHIBITION) to GND. This will
stop the function of Tape Start Sensor, Tape End Sen-
sor and Reel Sensors. (If these TPs are connected
before plugging in the unit, the function of the sensors
will stay valid.) See Fig. 1.
Q503
Note: Because the Tape End Sensors are inactive, do
not run a tape all the way to the start or the end of theTP501Q504
tape to avoid tape damage.S-INH
SW506
(REC-SAFETY SW)
Fig. 1
1-4-1H9330PFS |
ACEC
