Pioneer PDP-4280HD, Service Manual

Page: 154 / 176

PDP-4280HD
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9.3.11 QNG (SHUTDOWN INFORMATION OF MTB)
Command
Format
Effective Operation
Modes
Function Remarks
[QNG] Every time Output of status
MTB side's shutdown information is acquired.
∗
: Indicates the frequency of Blue LED flashing when the shutdown is occurred.
< SD Information No. >
Order Part Data Arrangement
Data
Length
Output
Example
0
−
Received Command name 3 byte QNG
0
0
0
0
0000000
0
0
0000000
0
0
00
0000000
0000000
fixed on 000
fixed on 000
fixed on 000
fixed on 000
1
MTB
1st latest NG No. 1 byte
2 Subcategory No. for the 1st latest NG. 1 byte
3 MTB hour meter for the 1st latest NG. 7 byte
4 Reserved 3 byte
5 2nd latest NG No. 1 byte
6 Subcategory No. for the 2nd latest NG. 1 byte
7 MTB hour meter for the 2nd latest NG. 7 byte
8 Reserved 3 byte
9 3rd latest NG No. 1 byte
10 Subcategory No. for the 3rd latest NG. 1 byte
11 MTB hour meter for the 3rd latest NG. 7 byte
12 Reserved 3 byte
: : :
29 8th latest NG No. 1 byte
30 Subcategory No. for the 8th latest NG. 1 byte
31 MTB hour meter for the 8th latest NG. 7 byte
32 Reserved 3 byte
33
−
Check Sum 2 byte
Frequency * Part Part Remarks (Operation)
MTB
part
Immediately Shutdown
Immediately Shutdown
5
Shutdown signal from audio amp. / short-circuit of
speaker terminal Shutdown after 30 seconds warning
6 Failure of communication with Module microcomputer
7 3-wire serial communication of Main microcomputer Go to No. 7 Subcategory Information
8 IIC communication failure of MTB side Go to No. 8 Subcategory Information
10(A) Failure of FAN Go to No. 10 Subcategory Information
11(B) Abnormally in high temperature Shutdown after 30 seconds warning
12(C) Failure of Digital Tuner Go to No. 12 Subcategory Information
13(D) Failure of Power Supply at MTB side Go to No. 13 Subcategory Information
14(E) Startup failure of Home Media Gallery -
15(F) Failure of Main EEPROM Immediately Shutdown
9 Communication failure of Main microcomputer