AVH-X2700BS/XNUC
26
1
2
3
4
1
2
3
4
C
D
F
A
B
E
5. DIAGNOSIS
5.1 OPERATIONAL FLOWCHART
RESET
VDD = 3.3V?
bsens
= L?
asens
= L?
ASENBO
←
H
VD5, 8
←
H
LCDPW, GEPW11
←
H
Starts
Communication
with Display microcomputer
Source keys operate
↓
Source ON
SYSPW
←
H
EV58CNT
←
H
Y
Y
Y
VDD : pin 26
bsens
: pin 124
asens
: pin 125
ASENBO : pin 112
VDCNT5 : pin 77
SYSPW : pin 74
VDCNT8 : pin 78
LS2_STB
= H?
LS2_STB
: pin 31
Standby
DDCCLK
←
Clock Out
(Frequency of 413.9kHz)
DDCCLK : pin 73
Y
LCDPW : pin 81
GEPW11 : pin 37
EV58CNT:pin 62
Содержание AVH-X2700BS
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Страница 72: ...AVH X2700BS XNUC 72 1 2 3 4 1 2 3 4 C D F A B E 9 2 EXTERIOR 1 B A B B E A EW5 UW5 RI EW5 UW5 RI C D C D ...
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