Qng - Pioneer PDP-4271HD Service Manual

5

9.3.11 QNG

Returning data (logs keep on Main microcomputer) on shutdown of Multi-Tuner Base.
Format Effective Condition
QNG Every time
Order
0 Received Command Name on MTB
1 Latest NG data
2 Data of subcategory for the latest NG
3 Data of MTB hour meter for the latest NG
4 Data of temperature for the latest NG
5 2'st latest NG data
6 Data of subcategory for the 2'st latest NG
7 Data of MTB hourmeter for the 2'st latest NG
8 Data of temperature for the 2'st latest NG
:
29 8'st latest NG data
30 Data of subcategory for the 7'st latest NG
31 Data of MTB hour meter for the 7'st latest NG
32 Data of temperature for the 7'st latest NG
Details of Data and subcategory
<SD Information No.>
Data
0 Normal
1 failure of communication to Module microcomputer
2 3-wire serial communication of Main microcomputer
3 IIC communication failure of Main microcomputer & Unknown error
4 communication failure of Main micricomputer
5 FAN stopped
6 Abnormally high temperature at MTB.
7 failure of Digital Tuner
8 failure of Power Supply
B Speaker short-circuit
<No.1 Subcategory Information on "failure in 3-wire serial communication of Main microcomputer">
Data
0 Non subcategory
1 IF microcomputer communication failure
2 MANTA communication failure (MULTI1)
4 MANTA communication failure (I/P)
5 MANTA communication failure (D-SEL)
5
6
Function
Output of status
Data
:
Cause of shutdown
Cause of shutdown
PDP-4271HD
6
7
Remarks
Size Context
3 byte 'QNG' only
1 byte
1 byte
7 byte
3 byte
1 byte
1 byte
7 byte
3 byte
:
1 byte
1 byte
7 byte
3 byte
Remarks
MODULE (immediately Shutdown)
⇒
Go to subcategory No.1
⇒
Go to subcategory No.2
MAIN (immediately Power Supply OFF)
FAN (immediately Power Supply OFF)
TEMP2 (After 30second warning, ture
Power Supply off)
⇒
Go to subcategory No.3
⇒
Go to subcategory No.4
After 3second warning, turn Power Supply OFF
Remarks
IF (immediately Power Supply OFF)
MULTI1 (immediately Power Supply OFF)
I/P
D-SEL
7
8
A
B
C
D
E
F
165
8