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1
A
8.2.1.3 MAIN NG
1
5
B
10
15
16
MTB side's Shutdown NG information
OSD: MAIN
AUDIO
----
C
MODULE
----
MA-SRL
IF
MULTI1
I/P
D-SEL
MA-IIC
FE1
MPX
AUDIO
D
AV-SW
RGB-SW
M-VDEC
S-VDEC
ADC
HDMI
TX-COM
TX-BSY
MA-EEP
E
MAIN
FAN
TEMP2
DTUNER
PS/RST
RETRY
MA-PWR
M-DCDC
RELAY
F
122
1
2
1
5
10
15
I
N
F O R
M
A
T I O
N
M
A
I
N
N
G
M
A
I N
S
U
1
M
A
– I I
C
F
E
2
M
A
– I I
C
A
V
3
M A – S
R
L
D
–
4
M A I N
–
–
5
T E M P 2
–
–
6
7
8
OSD: SUB
Failure of communication to Module microcomputer.
3-wire Serial Communication of Main microcomputer.
Communication failure of IF microcomputer
Multi Processor communication failure (MULIT1)
Multi Processor communication failure (I/P)
Multi Processor communication failure (D-SEL)
IIC Communication failure of Main microcomputer
Analog Tuner 1 (Front End 1)
MPX
AV Switch
RGB Switch
Main VDEC
Sub VDEC
AD/PLL
HDMI
TX communication failure
TX Busy
64k EEPROM
Communication failure of Main microcomputer &Unknown Error
Fan stopped
Abnormally high temperature at MTB.
Failure of Digital Tuner
Failure to DTB Starting
DTB communication failure.
Abnormally in RST2 of MTB. (power decrease of DC-DC converter)
Relay Power Supply
2
3
20
25
30
A
V 1
–
3
0 6 0
1
– N T V
–
E
H
B
0 0 1
5
1 H 2 1 M
1
0 0 0
3
1 H 5 0 M
– S W
0 0 0
1
3 H 0 3 M
S E L
0 0 0
0
2 H 5 2 M
– – – –
0 0 0
0
1 H 5 8 M
– – – –
0 0 0
0
0 H 0 7 M
Cause of Shutdown
PDP-427XD
3
4
35
40
B 7
4
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