DEH-X5600BT/XNEW5
14
1
2
3
4
1
2
3
4
C
D
F
A
B
E
5. DIAGNOSIS
5.1 OPERATIONAL FLOWCHART
Vcc = 1.2 V
PVcc = 3.3 V
BSENS
Pin 108
ASENS
Pin 107
DSENS
Pin 42
BSENS = L
DSENS = L
Starts
communication
with Grille
microcomputer.
SWVDD <- H
Pin 137
Source keys
operative
Source ON
SYSPW <- H
Pin 8
300 ms
300 ms
In case of the above signal, the communication
with Grille microcomputer may fail.
If the time interval is not 300 msec, the oscillator
may be defective.
Completes power-on operation.
(After that, proceed to each source operation)
Power ON
ASENS = L
Vcc : Pin 15, 26, 51, 93, 104, 130
PVcc : Pin 3, 11, 22, 34, 44, 58, 81, 89, 100, 119, 126, 135