Pioneer MVH-280FD 서비스 매뉴얼 - 페이지 8
{카테고리_이름} Pioneer MVH-280FD에 대한 서비스 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Pioneer MVH-280FD 44 페이지. Rds media center receiver
페이지 인쇄
1
5. DIAGNOSIS
5.1 OPERATIONAL FLOWCHART
A
Power ON
Vcc = 1.2 V
PVcc = 3.3 V
BSENS
Pin 90
B
BSENS = L
ASENS
Pin 89
ASENS = L
DSENS
C
Pin 34
DSENS = L
Starts
communication
with Grille
microcomputer.
D
VOUT5 <- H
Pin 1(IC201)
Source keys
operative
E
Source ON
SYSPW <- H
Pin 2
Completes power-on operation.
(After that, proceed to each source operation)
F
8
1
2
Vcc : Pin 12, 20, 43, 78, 86, 109
PVcc : Pin 3, 16, 28, 36, 48, 69, 82,101, 112
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.
MVH-280FD/XNEW5
2
3
3
4
4