Pioneer DEH-P7000UB, Руководство по обслуживанию

Страница: 19 / 76

DEH-P7000UB/XN/EW5
17
5 6 7 8
5 6
7
8
C
D
F
A
B
E
5. DIAGNOSIS
5.1 OPERATIONAL FLOWCHART
These terminals cause trouble that CDS, USB, and the iPod source do not stand up.
Whenever an external amplifier is connected, AMPPW becomes Low.
Vcc = 5 V
Pin 14
BSENS
Pin 73
ASENS
Pin 72
DSENS
Pin 91
ASENBO <- H
Pin 80
BSENS = L
ASENS = L
Starts communication
with Grille microcomputer.
2 V < DSENS < 4.5 V
SWVDD <- H
Pin 38
Source keys
operative
Source ON
SYSPW <- H
Pin 1
300 ms
500 ms
Completes power-on operation.
(After that, proceed to each source operation)
In case of the above signal, the communication
with Grille microcomputer may fai
If the time interval is not 300 / 500 msec, the oscillator
may be defective.
Power ON
DALMON <- H
Pin 67
OELPW <- H
Pin 20
VDCONT <- H
Pin 18
USBCTL <- H
Pin 45
AMPPW <- H
Pin 3