AVH-P4400BH/XUUC
29
5
6
7
8
5
6
7
8
C
D
F
A
B
E
5. DIAGNOSIS
5.1 OPERATIONAL FLOWCHART
SYSPW
←
H
Source keys operate
Source ON
↓
Starts
Communication
with Display microcomputer
Vdd=3.3V?
BSENS=L?
ASENS=L?
ASENBO
←
H
VD5, 8
←
H
Y
Y
Y
Vdd : pin 15
BSENS : pin 82
ASENS : pin 80
ASENBO : pin 35
(UC Only)
VD5 : pin 113
DDCCLK : pin 92
DDCCLK
←
Clock Out
(Frequency of 413.9 kHz)
STANBY : pin 20
STANBY=H?
Standby
Y
VD8 : pin 114
RESET
SYSPW : pin 43
Содержание AVH-4400BT/XUEW5
Страница 87: ...AVH P4400BH XUUC 87 5 6 7 8 5 6 7 8 C D F A B E ...
Страница 88: ...AVH P4400BH XUUC 88 1 2 3 4 1 2 3 4 C D F A B E 9 2 EXTERIOR 1 A D E B B C A C ...
Страница 97: ...AVH P4400BH XUUC 97 5 6 7 8 5 6 7 8 C D F A B E ...
Страница 149: ...AVH P4400BH XUUC 149 5 6 7 8 5 6 7 8 C D F A B E F F PCB UNIT SERVICE SIDE B ...