General Information; Diagnosis; Power On Sequence - Pioneer CT-W208R Service Manual

7. GENERAL INFORMATION

7.1 DIAGNOSIS

7.1.1 POWER ON SEQUENCE

Perform the mechanism initializa-
tion every time it power on.
(When the AC outlet is pulled out
while raising up the Head Base or
the gear comes off, perform the
initialization every time because the
normal movement can't be done.)
• POWER/ON key is pressed.
• Power on
information with the sytem bus.
Go to Power ON
200mS WAIT
Yes
Is MODE SW
OFF ?
No
SOL 50mS ON
(port Pin 53
and 55 )
MOTOR ON
(port Pin 54
and 56 )
150mS WAIT
Yes
:ERROR
Is it fifth
times ?
No
No
Is MODE SW
OFF ?
Yes
300mS WAIT
(port Pin 54
MOTOR OFF
and 56 )
END
Note : Pin No. shows the Pin No. of µ-COM PD5351A.
Check that the mecha. is stop
condition (port Pin 14 and 20 = L)
MOTOR ON
500mS WAIT
No
Is MODE SW
OFF ?
Yes
ERROR
Is it second
times ?
Yes
:Give up
Initialize end
Deck motor off
(port Pin 54 and 56 = L)
CT-W208R
No
31