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1
5. DIAGNOSIS
5.1 OPERATIONAL FLOWCHART
Power ON
A
Battery = 12 V
Acc = 12 V
B
Vcc = 5 V
DVD Power = 5 V
C
TFT Power
On and TFT
initialize
Starts
communication
with Grille
microcomputer.
D
Source keys
operative
Source ON
E
Entery select
mode
operative
Completes power-on operation.
(After that, proceed to each source operation)
F
16
1
2
if Acc on
if Press power on key
DVH-850AVBT/XEUW5
2
3
3
4
4
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