53
5
6
7
8
F
E
D
C
B
A
5
6
7
8
DEH-P2550/XM/ES
VDD=5V
Pin 41
ASENBO
←
H
Pin 71
Power ON
bsens
=L
asens
=L
dsens
=L
bsens
Pin 93
asens
Pin 92
dsens
Pin 90
swvdd
←
H
Pin 1
Source keys
operative
Completes power-on operation.
(After that, proceed to each source operation)
SYSPW
←
H
Pin 21
Starts
communication
with Grille
microcomputer.
Source ON
300ms
300ms
In case of the above signal, the communication
with Grille microcomputer may fail.
If the time interval is not 300msec, the oscillator
may be defective.
CSENS
Pin 77
2V < CSENS < 3V
-
CSENS 2V, 3V CSENS
Last source returns.
CD loading functions are available.
Keys except for EJECT key are not available.
<
<
=
=
7.3 OPERATIONAL FLOW CHART
Summary of Contents for DEH-P2550 XN/ES
Page 4: ...1 SPECIFICATIONS 4 1 2 3 4 1 2 3 4 F E D C B A DEH P2550 XM ES Backup current 5 mA or less ...
Page 6: ...6 1 2 3 4 1 2 3 4 F E D C B A DEH P2550 XM ES 2 2 EXTERIOR ...
Page 18: ...18 1 2 3 4 1 2 3 4 F E D C B A DEH P2550 XM ES 3 3 KEYBOARD UNIT C C KEYBOARD UNIT CAW1759 ...
Page 26: ...26 1 2 3 4 1 2 3 4 F E D C B A DEH P2550 XM ES A A TUNER AMP UNIT IC Q ...
Page 27: ...27 5 6 7 8 F E D C B A 5 6 7 8 DEH P2550 XM ES A SIDE B ...
Page 55: ...55 5 6 7 8 F E D C B A 5 6 7 8 DEH P2550 XM ES 8 OPERATIONS ...
Page 56: ...56 1 2 3 4 1 2 3 4 F E D C B A DEH P2550 XM ES ...
Page 57: ...57 5 6 7 8 F E D C B A 5 6 7 8 DEH P2550 XM ES ...