Table of Contents
Advertisement
PD-F25
8. OPERATIONAL DESCRIPTION
8.1 SETUP OPERATION FROM WHEN POWER IS TURNED ON
@ If the unit is NG during each operation, the operation is performed again. If the operation is not completed at that time, the unit stops as NG. When
the door is opened, the standby state is entered until the door is closed.
In this case, keys
other
than POWER
ON/OFF cannot be
pressed.
Wall outlet ON
Internal initialization
of microcomputer
(Model discrimination)
The power is automatically
tumed on.
Confirmation of
mechanism state
Arm retum processing
(Arm retum)
Retum the mechanism
to the home position.
Connect the power plug of a PD-F25 to the wall outlet.
A microcomputer (IC8001: PD4664A) discriminates the corresponding
model because it can correspond to five models. The microcomputer does
Not operate when it cannot discriminate each model.
(Inputs at pins 62, 63, and 64)
RACK SW(37Pin)
EJECT SW(50Pin)
?Confirm the following switches.
HOME SW(49Pin)
The retum processing is completed when the EJECT switch (pin 50) is set
to the low position.
The home return processing is completed when the HOME switch (pin 49)
is set to the low position and when the disc count (DCNT) signal (pin 41)
is set high.
Perform the following operation if the POWER key is not pressed.
Mechanism lock processing
(The power is automatically
tured on.)
Normal operation mode
Move the arm to the clamp direction (disc fetch direction) by 440 msec.
33
Advertisement
Table of Contents
